./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product52_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_3e3ba68a-185b-4b32-9ce4-2623d97471db/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3e3ba68a-185b-4b32-9ce4-2623d97471db/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3e3ba68a-185b-4b32-9ce4-2623d97471db/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3e3ba68a-185b-4b32-9ce4-2623d97471db/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product52_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3e3ba68a-185b-4b32-9ce4-2623d97471db/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3e3ba68a-185b-4b32-9ce4-2623d97471db/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 eb59a6e6bbeea05d6faf844d6f750609a5360ad9 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:34:46,750 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:34:46,751 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:34:46,757 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:34:46,757 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:34:46,757 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:34:46,758 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:34:46,759 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:34:46,759 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:34:46,760 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:34:46,760 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:34:46,760 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:34:46,761 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:34:46,761 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:34:46,762 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:34:46,762 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:34:46,762 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:34:46,763 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:34:46,764 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:34:46,765 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:34:46,765 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:34:46,766 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:34:46,767 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:34:46,767 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:34:46,767 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:34:46,767 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:34:46,768 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:34:46,768 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:34:46,769 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:34:46,769 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:34:46,769 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:34:46,770 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:34:46,770 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:34:46,770 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:34:46,770 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:34:46,771 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:34:46,771 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3e3ba68a-185b-4b32-9ce4-2623d97471db/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 00:34:46,777 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:34:46,778 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:34:46,778 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:34:46,778 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 00:34:46,778 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 00:34:46,779 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 00:34:46,779 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:34:46,779 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:34:46,779 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:34:46,779 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:34:46,779 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:34:46,779 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:34:46,779 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:34:46,779 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:34:46,779 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:34:46,779 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:34:46,780 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:34:46,780 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:34:46,780 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 00:34:46,780 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 00:34:46,780 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:34:46,780 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:34:46,780 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 00:34:46,780 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:34:46,780 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:34:46,780 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:34:46,780 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 00:34:46,781 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:34:46,781 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:34:46,781 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_3e3ba68a-185b-4b32-9ce4-2623d97471db/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 -> eb59a6e6bbeea05d6faf844d6f750609a5360ad9 [2018-12-09 00:34:46,797 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:34:46,803 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:34:46,805 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:34:46,806 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:34:46,806 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:34:46,807 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3e3ba68a-185b-4b32-9ce4-2623d97471db/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product52_false-unreach-call_false-termination.cil.c [2018-12-09 00:34:46,838 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3e3ba68a-185b-4b32-9ce4-2623d97471db/bin-2019/ukojak/data/a10d33cf2/c4e5c8e71d344876a9b0f0bdf87a4da2/FLAG79dd36b2f [2018-12-09 00:34:47,229 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:34:47,229 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3e3ba68a-185b-4b32-9ce4-2623d97471db/sv-benchmarks/c/product-lines/minepump_spec1_product52_false-unreach-call_false-termination.cil.c [2018-12-09 00:34:47,235 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3e3ba68a-185b-4b32-9ce4-2623d97471db/bin-2019/ukojak/data/a10d33cf2/c4e5c8e71d344876a9b0f0bdf87a4da2/FLAG79dd36b2f [2018-12-09 00:34:47,243 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3e3ba68a-185b-4b32-9ce4-2623d97471db/bin-2019/ukojak/data/a10d33cf2/c4e5c8e71d344876a9b0f0bdf87a4da2 [2018-12-09 00:34:47,245 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:34:47,246 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:34:47,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:34:47,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:34:47,248 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:34:47,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:34:47" (1/1) ... [2018-12-09 00:34:47,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:47, skipping insertion in model container [2018-12-09 00:34:47,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:34:47" (1/1) ... [2018-12-09 00:34:47,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:34:47,274 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:34:47,421 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:34:47,465 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:34:47,507 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:34:47,523 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:34:47,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:47 WrapperNode [2018-12-09 00:34:47,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:34:47,524 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:34:47,524 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:34:47,524 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:34:47,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:47" (1/1) ... [2018-12-09 00:34:47,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:47" (1/1) ... [2018-12-09 00:34:47,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:34:47,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:34:47,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:34:47,557 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:34:47,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:47" (1/1) ... [2018-12-09 00:34:47,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:47" (1/1) ... [2018-12-09 00:34:47,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:47" (1/1) ... [2018-12-09 00:34:47,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:47" (1/1) ... [2018-12-09 00:34:47,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:47" (1/1) ... [2018-12-09 00:34:47,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:47" (1/1) ... [2018-12-09 00:34:47,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:47" (1/1) ... [2018-12-09 00:34:47,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:34:47,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:34:47,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:34:47,577 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:34:47,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3e3ba68a-185b-4b32-9ce4-2623d97471db/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 00:34:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 00:34:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 00:34:47,614 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 00:34:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 00:34:47,614 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 00:34:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 00:34:47,614 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 00:34:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 00:34:47,614 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 00:34:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 00:34:47,615 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 00:34:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 00:34:47,615 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 00:34:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 00:34:47,615 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 00:34:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 00:34:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 00:34:47,615 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 00:34:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:34:47,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:34:48,069 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:34:48,069 INFO L280 CfgBuilder]: Removed 42 assue(true) statements. [2018-12-09 00:34:48,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:34:48 BoogieIcfgContainer [2018-12-09 00:34:48,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:34:48,070 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 00:34:48,070 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 00:34:48,078 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 00:34:48,079 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:34:48" (1/1) ... [2018-12-09 00:34:48,088 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:34:48,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:48,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 61 states and 82 transitions. [2018-12-09 00:34:48,117 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2018-12-09 00:34:48,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 00:34:48,120 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:48,248 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 00:34:48,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:48,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2018-12-09 00:34:48,257 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2018-12-09 00:34:48,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 00:34:48,258 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:48,305 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 00:34:48,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:48,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 83 transitions. [2018-12-09 00:34:48,317 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2018-12-09 00:34:48,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 00:34:48,317 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:48,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:48,346 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 00:34:48,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:48,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 66 states and 91 transitions. [2018-12-09 00:34:48,372 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 91 transitions. [2018-12-09 00:34:48,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 00:34:48,373 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:48,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:48,404 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 00:34:48,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:48,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 74 states and 105 transitions. [2018-12-09 00:34:48,476 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2018-12-09 00:34:48,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 00:34:48,477 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:48,509 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 00:34:48,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:48,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 75 states and 106 transitions. [2018-12-09 00:34:48,518 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2018-12-09 00:34:48,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 00:34:48,519 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:48,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:34:48,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:48,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 86 states and 131 transitions. [2018-12-09 00:34:48,690 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 131 transitions. [2018-12-09 00:34:48,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 00:34:48,691 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:48,708 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 00:34:48,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:48,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 87 states and 132 transitions. [2018-12-09 00:34:48,715 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 132 transitions. [2018-12-09 00:34:48,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 00:34:48,716 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:48,791 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 00:34:49,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:49,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 104 states and 173 transitions. [2018-12-09 00:34:49,132 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 173 transitions. [2018-12-09 00:34:49,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 00:34:49,134 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:49,151 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 00:34:49,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:49,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 105 states and 174 transitions. [2018-12-09 00:34:49,198 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 174 transitions. [2018-12-09 00:34:49,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 00:34:49,199 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:49,217 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 00:34:49,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:49,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 106 states and 177 transitions. [2018-12-09 00:34:49,228 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 177 transitions. [2018-12-09 00:34:49,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 00:34:49,229 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:49,253 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 00:34:49,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:49,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 110 states and 184 transitions. [2018-12-09 00:34:49,307 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 184 transitions. [2018-12-09 00:34:49,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 00:34:49,308 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:49,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:49,325 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 00:34:49,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:49,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 111 states and 185 transitions. [2018-12-09 00:34:49,344 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 185 transitions. [2018-12-09 00:34:49,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 00:34:49,345 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:49,360 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 00:34:49,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:49,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 112 states and 186 transitions. [2018-12-09 00:34:49,371 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 186 transitions. [2018-12-09 00:34:49,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 00:34:49,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:49,389 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 00:34:49,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:49,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 117 states and 196 transitions. [2018-12-09 00:34:49,492 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 196 transitions. [2018-12-09 00:34:49,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 00:34:49,493 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:49,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:49,545 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 00:34:49,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:49,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 128 states and 216 transitions. [2018-12-09 00:34:49,824 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 216 transitions. [2018-12-09 00:34:49,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 00:34:49,824 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:49,898 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 00:34:49,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:49,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 130 states and 223 transitions. [2018-12-09 00:34:49,972 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 223 transitions. [2018-12-09 00:34:49,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 00:34:49,973 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:49,989 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 00:34:50,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:50,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 131 states and 224 transitions. [2018-12-09 00:34:50,033 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 224 transitions. [2018-12-09 00:34:50,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 00:34:50,035 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:50,181 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 00:34:50,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:50,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 146 states and 264 transitions. [2018-12-09 00:34:50,899 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 264 transitions. [2018-12-09 00:34:50,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 00:34:50,900 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:50,925 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 00:34:50,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:50,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 147 states and 265 transitions. [2018-12-09 00:34:50,945 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 265 transitions. [2018-12-09 00:34:50,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 00:34:50,946 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:50,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:51,024 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 00:34:51,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:51,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 147 states and 263 transitions. [2018-12-09 00:34:51,238 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 263 transitions. [2018-12-09 00:34:51,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 00:34:51,239 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:51,291 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 00:34:51,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:51,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 150 states and 270 transitions. [2018-12-09 00:34:51,438 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 270 transitions. [2018-12-09 00:34:51,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 00:34:51,438 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:34:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:34:51,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:34:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:34:51,617 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 22 iterations. [2018-12-09 00:34:51,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 12:34:51 ImpRootNode [2018-12-09 00:34:51,692 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 00:34:51,692 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:34:51,692 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:34:51,692 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:34:51,693 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:34:48" (3/4) ... [2018-12-09 00:34:51,694 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 00:34:51,744 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3e3ba68a-185b-4b32-9ce4-2623d97471db/bin-2019/ukojak/witness.graphml [2018-12-09 00:34:51,744 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:34:51,744 INFO L168 Benchmark]: Toolchain (without parser) took 4499.04 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 317.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -116.2 MB). Peak memory consumption was 201.0 MB. Max. memory is 11.5 GB. [2018-12-09 00:34:51,745 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:34:51,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -176.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-09 00:34:51,746 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:34:51,746 INFO L168 Benchmark]: Boogie Preprocessor took 19.52 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:34:51,746 INFO L168 Benchmark]: RCFGBuilder took 492.90 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: 78.5 MB). Peak memory consumption was 78.5 MB. Max. memory is 11.5 GB. [2018-12-09 00:34:51,746 INFO L168 Benchmark]: CodeCheck took 3622.21 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 174.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -28.1 MB). Peak memory consumption was 145.9 MB. Max. memory is 11.5 GB. [2018-12-09 00:34:51,746 INFO L168 Benchmark]: Witness Printer took 51.61 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2018-12-09 00:34:51,747 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 9 procedures, 84 locations, 1 error locations. UNSAFE Result, 3.5s OverallTime, 22 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 45955912 SDtfs, 10978700 SDslu, 19447168 SDs, 0 SdLazy, 15793888 SolverSat, 5181624 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4887 GetRequests, 4757 SyntacticMatches, 14 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5206 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 570 NumberOfCodeBlocks, 570 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 516 ConstructedInterpolants, 0 QuantifiedInterpolants, 31058 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 0/0 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: 383]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L48] int waterLevel = 1; [L49] int methaneLevelCritical = 0; [L158] int pumpRunning = 0; [L159] int systemActive = 1; [L458] int cleanupTimeShifts = 4; [L752] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L534] int retValue_acc ; [L535] int tmp ; [L975] int retValue_acc ; [L978] retValue_acc = 1 [L979] return (retValue_acc); [L541] tmp = valid_product() [L543] COND TRUE \read(tmp) [L390] int splverifierCounter ; [L391] int tmp ; [L392] int tmp___0 ; [L393] int tmp___1 ; [L394] int tmp___2 ; [L397] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L399] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L401] COND TRUE splverifierCounter < 4 [L407] tmp = __VERIFIER_nondet_int() [L409] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L411] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L66] COND TRUE waterLevel < 2 [L67] waterLevel = waterLevel + 1 [L411] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L417] tmp___0 = __VERIFIER_nondet_int() [L419] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L421] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L78] COND FALSE !(\read(methaneLevelCritical)) [L81] methaneLevelCritical = 1 [L421] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L427] tmp___2 = __VERIFIER_nondet_int() [L429] COND TRUE \read(tmp___2) [L374] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L446] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L166] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L173] COND TRUE \read(systemActive) [L221] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L224] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L239] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L195] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L198] COND TRUE ! pumpRunning [L318] int retValue_acc ; [L319] int tmp ; [L320] int tmp___0 ; [L128] int retValue_acc ; [L131] COND FALSE !(waterLevel < 2) [L135] retValue_acc = 0 [L136] return (retValue_acc); [L324] tmp = isHighWaterSensorDry() [L326] COND FALSE !(\read(tmp)) [L329] tmp___0 = 1 [L331] retValue_acc = tmp___0 [L332] return (retValue_acc); [L200] tmp = isHighWaterLevel() [L202] COND TRUE \read(tmp) [L249] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L239] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L558] int tmp ; [L559] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L563] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L87] int retValue_acc ; [L90] retValue_acc = methaneLevelCritical [L91] return (retValue_acc); [L563] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L563] tmp = isMethaneLevelCritical() [L565] COND TRUE \read(tmp) [L273] int retValue_acc ; [L276] retValue_acc = pumpRunning [L277] return (retValue_acc); [L567] tmp___0 = isPumpRunning() [L569] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L383] __VERIFIER_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] * 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 277.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -176.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.52 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 492.90 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: 78.5 MB). Peak memory consumption was 78.5 MB. Max. memory is 11.5 GB. * CodeCheck took 3622.21 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 174.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -28.1 MB). Peak memory consumption was 145.9 MB. Max. memory is 11.5 GB. * Witness Printer took 51.61 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...