./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product41_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6301cae8-4a75-4bde-aad8-6211391eef43/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6301cae8-4a75-4bde-aad8-6211391eef43/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6301cae8-4a75-4bde-aad8-6211391eef43/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6301cae8-4a75-4bde-aad8-6211391eef43/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product41_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6301cae8-4a75-4bde-aad8-6211391eef43/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6301cae8-4a75-4bde-aad8-6211391eef43/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 5a2d3ce20e3d26ebf70024607ecab77b852f9995 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 15:53:06,094 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 15:53:06,095 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 15:53:06,101 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 15:53:06,101 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 15:53:06,101 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 15:53:06,102 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 15:53:06,103 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 15:53:06,103 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 15:53:06,104 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 15:53:06,104 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 15:53:06,104 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 15:53:06,105 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 15:53:06,105 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 15:53:06,106 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 15:53:06,106 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 15:53:06,106 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 15:53:06,107 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 15:53:06,108 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 15:53:06,109 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 15:53:06,109 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 15:53:06,110 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 15:53:06,111 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 15:53:06,111 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 15:53:06,111 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 15:53:06,111 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 15:53:06,112 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 15:53:06,112 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 15:53:06,112 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 15:53:06,113 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 15:53:06,113 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 15:53:06,113 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 15:53:06,113 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 15:53:06,114 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 15:53:06,114 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 15:53:06,114 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 15:53:06,114 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6301cae8-4a75-4bde-aad8-6211391eef43/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 15:53:06,121 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 15:53:06,121 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 15:53:06,122 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 15:53:06,122 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 15:53:06,122 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 15:53:06,122 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 15:53:06,123 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 15:53:06,123 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 15:53:06,123 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 15:53:06,123 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 15:53:06,123 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 15:53:06,123 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 15:53:06,123 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 15:53:06,123 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 15:53:06,123 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 15:53:06,123 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 15:53:06,123 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 15:53:06,123 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 15:53:06,124 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 15:53:06,124 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 15:53:06,124 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 15:53:06,124 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 15:53:06,124 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 15:53:06,124 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 15:53:06,124 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 15:53:06,124 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 15:53:06,124 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 15:53:06,124 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 15:53:06,125 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 15:53:06,125 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_6301cae8-4a75-4bde-aad8-6211391eef43/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 -> 5a2d3ce20e3d26ebf70024607ecab77b852f9995 [2018-12-09 15:53:06,141 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 15:53:06,148 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 15:53:06,150 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 15:53:06,151 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 15:53:06,151 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 15:53:06,151 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6301cae8-4a75-4bde-aad8-6211391eef43/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product41_false-unreach-call_false-termination.cil.c [2018-12-09 15:53:06,186 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6301cae8-4a75-4bde-aad8-6211391eef43/bin-2019/ukojak/data/1f5a53314/4ad7ca1113584aa59df4fe782f261cef/FLAG6cc71e55b [2018-12-09 15:53:06,588 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 15:53:06,589 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6301cae8-4a75-4bde-aad8-6211391eef43/sv-benchmarks/c/product-lines/minepump_spec1_product41_false-unreach-call_false-termination.cil.c [2018-12-09 15:53:06,594 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6301cae8-4a75-4bde-aad8-6211391eef43/bin-2019/ukojak/data/1f5a53314/4ad7ca1113584aa59df4fe782f261cef/FLAG6cc71e55b [2018-12-09 15:53:06,603 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6301cae8-4a75-4bde-aad8-6211391eef43/bin-2019/ukojak/data/1f5a53314/4ad7ca1113584aa59df4fe782f261cef [2018-12-09 15:53:06,604 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 15:53:06,605 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 15:53:06,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 15:53:06,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 15:53:06,608 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 15:53:06,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:53:06" (1/1) ... [2018-12-09 15:53:06,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:06, skipping insertion in model container [2018-12-09 15:53:06,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:53:06" (1/1) ... [2018-12-09 15:53:06,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 15:53:06,634 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 15:53:06,777 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:53:06,784 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 15:53:06,872 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:53:06,888 INFO L195 MainTranslator]: Completed translation [2018-12-09 15:53:06,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:06 WrapperNode [2018-12-09 15:53:06,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 15:53:06,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 15:53:06,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 15:53:06,889 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 15:53:06,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:06" (1/1) ... [2018-12-09 15:53:06,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:06" (1/1) ... [2018-12-09 15:53:06,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 15:53:06,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 15:53:06,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 15:53:06,929 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 15:53:06,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:06" (1/1) ... [2018-12-09 15:53:06,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:06" (1/1) ... [2018-12-09 15:53:06,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:06" (1/1) ... [2018-12-09 15:53:06,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:06" (1/1) ... [2018-12-09 15:53:06,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:06" (1/1) ... [2018-12-09 15:53:06,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:06" (1/1) ... [2018-12-09 15:53:06,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:06" (1/1) ... [2018-12-09 15:53:06,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 15:53:06,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 15:53:06,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 15:53:06,953 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 15:53:06,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6301cae8-4a75-4bde-aad8-6211391eef43/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 [2018-12-09 15:53:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 15:53:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 15:53:06,990 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 15:53:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 15:53:06,990 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 15:53:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 15:53:06,990 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 15:53:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 15:53:06,991 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 15:53:06,991 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 15:53:06,991 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 15:53:06,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 15:53:06,991 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 15:53:06,991 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 15:53:06,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 15:53:06,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 15:53:07,422 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 15:53:07,422 INFO L280 CfgBuilder]: Removed 38 assue(true) statements. [2018-12-09 15:53:07,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:53:07 BoogieIcfgContainer [2018-12-09 15:53:07,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 15:53:07,423 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 15:53:07,423 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 15:53:07,430 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 15:53:07,430 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:53:07" (1/1) ... [2018-12-09 15:53:07,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:53:07,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:07,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2018-12-09 15:53:07,463 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2018-12-09 15:53:07,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 15:53:07,466 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:07,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:07,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:07,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2018-12-09 15:53:07,612 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2018-12-09 15:53:07,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 15:53:07,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:07,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:07,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:07,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2018-12-09 15:53:07,688 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2018-12-09 15:53:07,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 15:53:07,689 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:07,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:07,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:07,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 59 states and 81 transitions. [2018-12-09 15:53:07,817 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2018-12-09 15:53:07,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 15:53:07,818 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:07,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:07,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:07,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 60 states and 82 transitions. [2018-12-09 15:53:07,854 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 82 transitions. [2018-12-09 15:53:07,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 15:53:07,855 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:07,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:07,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:07,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 61 states and 83 transitions. [2018-12-09 15:53:07,883 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 83 transitions. [2018-12-09 15:53:07,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 15:53:07,883 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:07,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:08,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:08,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 71 states and 103 transitions. [2018-12-09 15:53:08,110 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 103 transitions. [2018-12-09 15:53:08,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 15:53:08,110 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:08,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:08,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:08,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 87 states and 135 transitions. [2018-12-09 15:53:08,565 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 135 transitions. [2018-12-09 15:53:08,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 15:53:08,566 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:08,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:08,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:08,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 88 states and 136 transitions. [2018-12-09 15:53:08,600 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 136 transitions. [2018-12-09 15:53:08,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 15:53:08,601 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:08,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 15:53:08,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:08,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 91 states and 139 transitions. [2018-12-09 15:53:08,649 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 139 transitions. [2018-12-09 15:53:08,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 15:53:08,650 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:08,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:08,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:08,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 92 states and 140 transitions. [2018-12-09 15:53:08,683 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 140 transitions. [2018-12-09 15:53:08,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 15:53:08,685 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:08,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:08,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:08,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 97 states and 148 transitions. [2018-12-09 15:53:08,953 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 148 transitions. [2018-12-09 15:53:08,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 15:53:08,953 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:09,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 15:53:09,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:09,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 106 states and 167 transitions. [2018-12-09 15:53:09,440 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 167 transitions. [2018-12-09 15:53:09,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 15:53:09,441 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:09,488 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 15:53:09,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:09,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 112 states and 180 transitions. [2018-12-09 15:53:09,658 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 180 transitions. [2018-12-09 15:53:09,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 15:53:09,659 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:09,673 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 15:53:09,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:09,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 110 states and 176 transitions. [2018-12-09 15:53:09,685 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 176 transitions. [2018-12-09 15:53:09,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 15:53:09,686 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:09,707 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 15:53:09,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:09,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 112 states and 180 transitions. [2018-12-09 15:53:09,839 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 180 transitions. [2018-12-09 15:53:09,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-09 15:53:09,840 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:09,862 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 15:53:09,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:09,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 103 states and 163 transitions. [2018-12-09 15:53:09,968 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 163 transitions. [2018-12-09 15:53:09,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 15:53:09,969 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:10,032 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 15:53:10,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:10,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 111 states and 186 transitions. [2018-12-09 15:53:10,695 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 186 transitions. [2018-12-09 15:53:10,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 15:53:10,696 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:10,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:10,714 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 15:53:10,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:10,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 113 states and 188 transitions. [2018-12-09 15:53:10,850 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 188 transitions. [2018-12-09 15:53:10,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 15:53:10,850 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:10,864 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 15:53:11,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:11,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 124 states and 212 transitions. [2018-12-09 15:53:11,162 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 212 transitions. [2018-12-09 15:53:11,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 15:53:11,163 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:11,176 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 15:53:11,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:11,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 126 states and 213 transitions. [2018-12-09 15:53:11,350 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 213 transitions. [2018-12-09 15:53:11,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 15:53:11,350 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:11,363 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 15:53:12,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:12,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 132 states and 225 transitions. [2018-12-09 15:53:12,214 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 225 transitions. [2018-12-09 15:53:12,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 15:53:12,215 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:12,235 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 15:53:12,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:12,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 133 states and 226 transitions. [2018-12-09 15:53:12,245 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 226 transitions. [2018-12-09 15:53:12,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 15:53:12,246 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:12,715 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 15:53:14,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:14,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 146 states and 269 transitions. [2018-12-09 15:53:14,946 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 269 transitions. [2018-12-09 15:53:14,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 15:53:14,947 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 15:53:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 15:53:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 15:53:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 15:53:15,140 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 24 iterations. [2018-12-09 15:53:15,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 03:53:15 ImpRootNode [2018-12-09 15:53:15,221 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 15:53:15,222 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 15:53:15,222 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 15:53:15,222 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 15:53:15,222 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:53:07" (3/4) ... [2018-12-09 15:53:15,224 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 15:53:15,282 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6301cae8-4a75-4bde-aad8-6211391eef43/bin-2019/ukojak/witness.graphml [2018-12-09 15:53:15,282 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 15:53:15,282 INFO L168 Benchmark]: Toolchain (without parser) took 8677.69 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 260.6 MB). Free memory was 951.7 MB in the beginning and 1.2 GB in the end (delta: -260.1 MB). Peak memory consumption was 482.1 kB. Max. memory is 11.5 GB. [2018-12-09 15:53:15,283 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:53:15,283 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -152.4 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-09 15:53:15,283 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.41 ms. Allocated memory is still 1.1 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. [2018-12-09 15:53:15,283 INFO L168 Benchmark]: Boogie Preprocessor took 23.25 ms. Allocated memory is still 1.1 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. [2018-12-09 15:53:15,284 INFO L168 Benchmark]: RCFGBuilder took 469.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.0 MB). Peak memory consumption was 68.0 MB. Max. memory is 11.5 GB. [2018-12-09 15:53:15,284 INFO L168 Benchmark]: CodeCheck took 7798.30 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 148.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -198.0 MB). Peak memory consumption was 366.7 MB. Max. memory is 11.5 GB. [2018-12-09 15:53:15,284 INFO L168 Benchmark]: Witness Printer took 60.29 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-12-09 15:53:15,285 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, 70 locations, 1 error locations. UNSAFE Result, 7.6s OverallTime, 24 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 179920248 SDtfs, 53523370 SDslu, 87997296 SDs, 0 SdLazy, 81483118 SolverSat, 24491396 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7687 GetRequests, 7444 SyntacticMatches, 21 SemanticMatches, 222 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20506 ImplicationChecksByTransitivity, 6.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 826 NumberOfCodeBlocks, 826 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 751 ConstructedInterpolants, 0 QuantifiedInterpolants, 65194 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 20 PerfectInterpolantSequences, 181/188 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 - CounterExampleResult [Line: 887]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L480] int waterLevel = 1; [L481] int methaneLevelCritical = 0; [L578] int pumpRunning = 0; [L579] int systemActive = 1; [L749] int cleanupTimeShifts = 4; [L825] int retValue_acc ; [L826] int tmp ; [L874] int retValue_acc ; [L877] retValue_acc = 1 [L878] return (retValue_acc); [L832] tmp = valid_product() [L834] COND TRUE \read(tmp) [L411] int splverifierCounter ; [L412] int tmp ; [L413] int tmp___0 ; [L414] int tmp___1 ; [L415] int tmp___2 ; [L418] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L420] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L422] COND TRUE splverifierCounter < 4 [L428] tmp = __VERIFIER_nondet_int() [L430] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L432] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L498] COND TRUE waterLevel < 2 [L499] waterLevel = waterLevel + 1 [L432] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L438] tmp___0 = __VERIFIER_nondet_int() [L440] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L448] tmp___2 = __VERIFIER_nondet_int() [L450] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L463] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L586] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L593] COND TRUE \read(systemActive) [L615] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L618] COND TRUE ! pumpRunning [L730] int retValue_acc ; [L731] int tmp ; [L732] int tmp___0 ; [L560] int retValue_acc ; [L563] COND FALSE !(waterLevel < 2) [L567] retValue_acc = 0 [L568] return (retValue_acc); [L736] tmp = isHighWaterSensorDry() [L738] COND FALSE !(\read(tmp)) [L741] tmp___0 = 1 [L743] retValue_acc = tmp___0 [L744] return (retValue_acc); [L620] tmp = isHighWaterLevel() [L622] COND TRUE \read(tmp) [L649] int tmp ; [L674] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L678] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L519] int retValue_acc ; [L522] retValue_acc = methaneLevelCritical [L523] return (retValue_acc); [L678] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L678] retValue_acc = isMethaneLevelCritical() [L680] return (retValue_acc); [L653] tmp = isMethaneAlarm() [L655] COND FALSE !(\read(tmp)) [L643] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L893] int tmp ; [L894] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L898] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L519] int retValue_acc ; [L522] retValue_acc = methaneLevelCritical [L523] return (retValue_acc); [L898] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L898] tmp = isMethaneLevelCritical() [L900] COND FALSE !(\read(tmp)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L463] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L420] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L422] COND TRUE splverifierCounter < 4 [L428] tmp = __VERIFIER_nondet_int() [L430] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L438] tmp___0 = __VERIFIER_nondet_int() [L440] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L442] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L510] COND FALSE !(\read(methaneLevelCritical)) [L513] methaneLevelCritical = 1 [L442] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L448] tmp___2 = __VERIFIER_nondet_int() [L450] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L463] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L586] COND TRUE \read(pumpRunning) [L486] COND TRUE waterLevel > 0 [L487] waterLevel = waterLevel - 1 VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L593] COND TRUE \read(systemActive) [L615] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L618] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L633] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L893] int tmp ; [L894] int tmp___0 ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L898] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L519] int retValue_acc ; [L522] retValue_acc = methaneLevelCritical [L523] return (retValue_acc); [L898] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L898] tmp = isMethaneLevelCritical() [L900] COND TRUE \read(tmp) [L685] int retValue_acc ; [L688] retValue_acc = pumpRunning [L689] return (retValue_acc); [L902] tmp___0 = isPumpRunning() [L904] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L887] __VERIFIER_error() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 282.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -152.4 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.41 ms. Allocated memory is still 1.1 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 23.25 ms. Allocated memory is still 1.1 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 469.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.0 MB). Peak memory consumption was 68.0 MB. Max. memory is 11.5 GB. * CodeCheck took 7798.30 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 148.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -198.0 MB). Peak memory consumption was 366.7 MB. Max. memory is 11.5 GB. * Witness Printer took 60.29 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...