./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e8e958ac-7e07-4ece-8d1c-d489f480690a/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e8e958ac-7e07-4ece-8d1c-d489f480690a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e8e958ac-7e07-4ece-8d1c-d489f480690a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e8e958ac-7e07-4ece-8d1c-d489f480690a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e8e958ac-7e07-4ece-8d1c-d489f480690a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e8e958ac-7e07-4ece-8d1c-d489f480690a/bin/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 f18aab99c70cc7d44332259818cc5069ce850e66 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.25-f470102 [2019-12-01 04:15:08,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 04:15:08,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 04:15:08,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 04:15:08,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 04:15:08,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 04:15:08,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 04:15:08,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 04:15:08,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 04:15:08,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 04:15:08,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 04:15:08,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 04:15:08,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 04:15:08,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 04:15:08,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 04:15:08,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 04:15:08,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 04:15:08,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 04:15:08,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 04:15:08,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 04:15:08,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 04:15:08,881 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 04:15:08,882 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 04:15:08,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 04:15:08,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 04:15:08,884 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 04:15:08,884 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 04:15:08,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 04:15:08,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 04:15:08,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 04:15:08,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 04:15:08,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 04:15:08,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 04:15:08,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 04:15:08,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 04:15:08,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 04:15:08,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 04:15:08,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 04:15:08,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 04:15:08,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 04:15:08,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 04:15:08,890 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e8e958ac-7e07-4ece-8d1c-d489f480690a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 04:15:08,899 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 04:15:08,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 04:15:08,900 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 04:15:08,900 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 04:15:08,901 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 04:15:08,901 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 04:15:08,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 04:15:08,901 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 04:15:08,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 04:15:08,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 04:15:08,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 04:15:08,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 04:15:08,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 04:15:08,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 04:15:08,902 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 04:15:08,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 04:15:08,902 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 04:15:08,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 04:15:08,902 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 04:15:08,903 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 04:15:08,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 04:15:08,903 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 04:15:08,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 04:15:08,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 04:15:08,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 04:15:08,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 04:15:08,903 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 04:15:08,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 04:15:08,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 04:15:08,904 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_e8e958ac-7e07-4ece-8d1c-d489f480690a/bin/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 -> f18aab99c70cc7d44332259818cc5069ce850e66 [2019-12-01 04:15:09,003 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 04:15:09,011 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 04:15:09,014 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 04:15:09,015 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 04:15:09,015 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 04:15:09,016 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e8e958ac-7e07-4ece-8d1c-d489f480690a/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c [2019-12-01 04:15:09,058 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e8e958ac-7e07-4ece-8d1c-d489f480690a/bin/ukojak/data/d44279a09/e5bd9b17abdd418f8eb2c3ec2c02e439/FLAG83ad5fcc5 [2019-12-01 04:15:09,517 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 04:15:09,518 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e8e958ac-7e07-4ece-8d1c-d489f480690a/sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c [2019-12-01 04:15:09,530 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e8e958ac-7e07-4ece-8d1c-d489f480690a/bin/ukojak/data/d44279a09/e5bd9b17abdd418f8eb2c3ec2c02e439/FLAG83ad5fcc5 [2019-12-01 04:15:10,040 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e8e958ac-7e07-4ece-8d1c-d489f480690a/bin/ukojak/data/d44279a09/e5bd9b17abdd418f8eb2c3ec2c02e439 [2019-12-01 04:15:10,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 04:15:10,043 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 04:15:10,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 04:15:10,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 04:15:10,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 04:15:10,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:15:10" (1/1) ... [2019-12-01 04:15:10,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e292d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:15:10, skipping insertion in model container [2019-12-01 04:15:10,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:15:10" (1/1) ... [2019-12-01 04:15:10,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 04:15:10,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 04:15:10,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 04:15:10,301 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 04:15:10,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 04:15:10,366 INFO L208 MainTranslator]: Completed translation [2019-12-01 04:15:10,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:15:10 WrapperNode [2019-12-01 04:15:10,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 04:15:10,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 04:15:10,367 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 04:15:10,367 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 04:15:10,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:15:10" (1/1) ... [2019-12-01 04:15:10,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:15:10" (1/1) ... [2019-12-01 04:15:10,403 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 04:15:10,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 04:15:10,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 04:15:10,404 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 04:15:10,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:15:10" (1/1) ... [2019-12-01 04:15:10,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:15:10" (1/1) ... [2019-12-01 04:15:10,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:15:10" (1/1) ... [2019-12-01 04:15:10,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:15:10" (1/1) ... [2019-12-01 04:15:10,418 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:15:10" (1/1) ... [2019-12-01 04:15:10,421 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:15:10" (1/1) ... [2019-12-01 04:15:10,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:15:10" (1/1) ... [2019-12-01 04:15:10,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 04:15:10,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 04:15:10,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 04:15:10,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 04:15:10,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:15:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e8e958ac-7e07-4ece-8d1c-d489f480690a/bin/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 [2019-12-01 04:15:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 04:15:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-12-01 04:15:10,466 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-12-01 04:15:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-12-01 04:15:10,466 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-12-01 04:15:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-12-01 04:15:10,466 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-12-01 04:15:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-12-01 04:15:10,466 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-12-01 04:15:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-12-01 04:15:10,467 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-12-01 04:15:10,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-01 04:15:10,467 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-12-01 04:15:10,467 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-12-01 04:15:10,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 04:15:10,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 04:15:10,987 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 04:15:10,987 INFO L287 CfgBuilder]: Removed 38 assume(true) statements. [2019-12-01 04:15:10,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:15:10 BoogieIcfgContainer [2019-12-01 04:15:10,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 04:15:10,988 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 04:15:10,988 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 04:15:10,995 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 04:15:10,995 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:15:10" (1/1) ... [2019-12-01 04:15:11,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 04:15:11,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:11,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2019-12-01 04:15:11,029 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2019-12-01 04:15:11,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 04:15:11,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:11,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 04:15:11,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:11,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2019-12-01 04:15:11,218 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2019-12-01 04:15:11,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 04:15:11,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:11,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 04:15:11,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:11,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2019-12-01 04:15:11,294 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2019-12-01 04:15:11,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 04:15:11,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:11,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 04:15:11,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:11,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2019-12-01 04:15:11,518 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2019-12-01 04:15:11,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 04:15:11,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:11,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 04:15:11,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:11,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2019-12-01 04:15:11,578 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2019-12-01 04:15:11,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 04:15:11,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:11,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 04:15:11,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:11,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 65 states and 93 transitions. [2019-12-01 04:15:11,625 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2019-12-01 04:15:11,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-01 04:15:11,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:11,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 04:15:11,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:11,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 75 states and 114 transitions. [2019-12-01 04:15:11,863 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 114 transitions. [2019-12-01 04:15:11,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 04:15:11,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:11,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 04:15:12,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:12,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 85 states and 134 transitions. [2019-12-01 04:15:12,168 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 134 transitions. [2019-12-01 04:15:12,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-01 04:15:12,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:12,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 04:15:12,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:12,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 86 states and 135 transitions. [2019-12-01 04:15:12,200 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 135 transitions. [2019-12-01 04:15:12,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 04:15:12,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:12,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 04:15:13,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:13,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 104 states and 174 transitions. [2019-12-01 04:15:13,011 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 174 transitions. [2019-12-01 04:15:13,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-01 04:15:13,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:13,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 04:15:13,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:13,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 105 states and 174 transitions. [2019-12-01 04:15:13,040 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 174 transitions. [2019-12-01 04:15:13,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-01 04:15:13,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:13,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 04:15:13,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:13,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 106 states and 175 transitions. [2019-12-01 04:15:13,070 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 175 transitions. [2019-12-01 04:15:13,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 04:15:13,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:13,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 04:15:13,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:13,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 107 states and 176 transitions. [2019-12-01 04:15:13,110 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 176 transitions. [2019-12-01 04:15:13,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-01 04:15:13,110 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:13,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 04:15:13,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:13,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 108 states and 176 transitions. [2019-12-01 04:15:13,135 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 176 transitions. [2019-12-01 04:15:13,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-01 04:15:13,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:13,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 04:15:13,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:13,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 109 states and 178 transitions. [2019-12-01 04:15:13,168 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 178 transitions. [2019-12-01 04:15:13,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-01 04:15:13,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:13,215 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 04:15:13,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:13,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 115 states and 193 transitions. [2019-12-01 04:15:13,511 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 193 transitions. [2019-12-01 04:15:13,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-01 04:15:13,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:13,533 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 04:15:13,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:13,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 113 states and 189 transitions. [2019-12-01 04:15:13,548 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 189 transitions. [2019-12-01 04:15:13,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-01 04:15:13,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:13,569 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 04:15:13,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:13,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 115 states and 190 transitions. [2019-12-01 04:15:13,705 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 190 transitions. [2019-12-01 04:15:13,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-01 04:15:13,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:13,897 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 04:15:14,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:14,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 118 states and 197 transitions. [2019-12-01 04:15:14,395 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 197 transitions. [2019-12-01 04:15:14,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-01 04:15:14,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:14,469 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 04:15:15,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:15,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 124 states and 216 transitions. [2019-12-01 04:15:15,066 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 216 transitions. [2019-12-01 04:15:15,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-01 04:15:15,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:15,433 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 04:15:17,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:17,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 139 states and 258 transitions. [2019-12-01 04:15:17,561 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 258 transitions. [2019-12-01 04:15:17,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 04:15:17,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:17,580 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 04:15:18,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:18,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 141 states and 263 transitions. [2019-12-01 04:15:18,127 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 263 transitions. [2019-12-01 04:15:18,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-01 04:15:18,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:18,154 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 04:15:18,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:18,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 143 states and 265 transitions. [2019-12-01 04:15:18,362 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 265 transitions. [2019-12-01 04:15:18,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 04:15:18,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:18,905 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 04:15:23,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:23,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 159 states and 306 transitions. [2019-12-01 04:15:23,324 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 306 transitions. [2019-12-01 04:15:23,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 04:15:23,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:23,343 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 04:15:23,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:23,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 160 states and 308 transitions. [2019-12-01 04:15:23,623 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 308 transitions. [2019-12-01 04:15:23,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 04:15:23,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:23,639 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 04:15:24,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:24,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 161 states and 310 transitions. [2019-12-01 04:15:24,012 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 310 transitions. [2019-12-01 04:15:24,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 04:15:24,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:24,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:24,034 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 04:15:24,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:24,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 163 states and 314 transitions. [2019-12-01 04:15:24,450 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 314 transitions. [2019-12-01 04:15:24,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 04:15:24,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:24,480 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 04:15:25,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:25,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 167 states and 321 transitions. [2019-12-01 04:15:25,053 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 321 transitions. [2019-12-01 04:15:25,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 04:15:25,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:25,088 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 04:15:26,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:26,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 179 states and 358 transitions. [2019-12-01 04:15:26,962 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 358 transitions. [2019-12-01 04:15:26,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 04:15:26,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:26,980 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 04:15:27,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:27,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 186 states and 386 transitions. [2019-12-01 04:15:27,585 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 386 transitions. [2019-12-01 04:15:27,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 04:15:27,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:27,608 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 04:15:27,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:27,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 188 states and 393 transitions. [2019-12-01 04:15:27,925 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 393 transitions. [2019-12-01 04:15:27,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 04:15:27,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:27,949 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 04:15:28,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:28,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 190 states and 400 transitions. [2019-12-01 04:15:28,265 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 400 transitions. [2019-12-01 04:15:28,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 04:15:28,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:28,281 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 04:15:29,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:29,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 202 states and 445 transitions. [2019-12-01 04:15:29,400 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 445 transitions. [2019-12-01 04:15:29,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 04:15:29,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:29,418 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 04:15:29,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:29,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 205 states and 450 transitions. [2019-12-01 04:15:29,678 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 450 transitions. [2019-12-01 04:15:29,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 04:15:29,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:29,700 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-01 04:15:29,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:29,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 206 states and 451 transitions. [2019-12-01 04:15:29,719 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 451 transitions. [2019-12-01 04:15:29,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 04:15:29,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:29,741 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 04:15:29,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:29,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 207 states and 452 transitions. [2019-12-01 04:15:29,758 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 452 transitions. [2019-12-01 04:15:29,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 04:15:29,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:30,106 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 04:15:39,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:39,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 224 states and 498 transitions. [2019-12-01 04:15:39,525 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 498 transitions. [2019-12-01 04:15:39,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 04:15:39,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:39,545 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 04:15:39,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:39,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 226 states and 506 transitions. [2019-12-01 04:15:39,887 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 506 transitions. [2019-12-01 04:15:39,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 04:15:39,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:39,907 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 04:15:40,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:40,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 228 states and 512 transitions. [2019-12-01 04:15:40,230 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 512 transitions. [2019-12-01 04:15:40,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 04:15:40,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:40,247 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 04:15:40,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:40,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 231 states and 535 transitions. [2019-12-01 04:15:40,929 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 535 transitions. [2019-12-01 04:15:40,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 04:15:40,930 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:40,946 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 04:15:41,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:41,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 233 states and 540 transitions. [2019-12-01 04:15:41,314 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 540 transitions. [2019-12-01 04:15:41,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 04:15:41,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:41,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:41,328 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 04:15:41,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:41,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 234 states and 541 transitions. [2019-12-01 04:15:41,486 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 541 transitions. [2019-12-01 04:15:41,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 04:15:41,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:41,501 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 04:15:41,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:41,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 235 states and 542 transitions. [2019-12-01 04:15:41,514 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 542 transitions. [2019-12-01 04:15:41,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 04:15:41,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:42,001 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 04:15:45,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:45,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 245 states and 589 transitions. [2019-12-01 04:15:45,347 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 589 transitions. [2019-12-01 04:15:45,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 04:15:45,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:45,365 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 04:15:45,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:45,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 247 states and 590 transitions. [2019-12-01 04:15:45,747 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 590 transitions. [2019-12-01 04:15:45,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 04:15:45,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:15:45,764 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 04:15:49,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:15:49,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 252 states and 586 transitions. [2019-12-01 04:15:49,519 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 586 transitions. [2019-12-01 04:15:49,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-01 04:15:49,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:15:49,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 04:15:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 04:15:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 04:15:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 04:15:49,789 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 46 iterations. [2019-12-01 04:15:49,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:15:49 ImpRootNode [2019-12-01 04:15:49,920 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 04:15:49,920 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 04:15:49,920 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 04:15:49,920 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 04:15:49,920 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:15:10" (3/4) ... [2019-12-01 04:15:49,922 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-01 04:15:49,994 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e8e958ac-7e07-4ece-8d1c-d489f480690a/bin/ukojak/witness.graphml [2019-12-01 04:15:49,994 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 04:15:49,995 INFO L168 Benchmark]: Toolchain (without parser) took 39951.70 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 570.4 MB). Free memory was 945.2 MB in the beginning and 824.5 MB in the end (delta: 120.7 MB). Peak memory consumption was 691.1 MB. Max. memory is 11.5 GB. [2019-12-01 04:15:49,995 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 04:15:49,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.9 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -122.7 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-01 04:15:49,996 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.70 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 04:15:49,996 INFO L168 Benchmark]: Boogie Preprocessor took 21.61 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 04:15:49,996 INFO L168 Benchmark]: RCFGBuilder took 562.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 992.4 MB in the end (delta: 70.2 MB). Peak memory consumption was 70.2 MB. Max. memory is 11.5 GB. [2019-12-01 04:15:49,997 INFO L168 Benchmark]: CodeCheck took 38931.43 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 485.5 MB). Free memory was 992.4 MB in the beginning and 844.6 MB in the end (delta: 147.8 MB). Peak memory consumption was 633.3 MB. Max. memory is 11.5 GB. [2019-12-01 04:15:49,997 INFO L168 Benchmark]: Witness Printer took 73.99 ms. Allocated memory is still 1.6 GB. Free memory was 844.6 MB in the beginning and 824.5 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2019-12-01 04:15:49,998 INFO L335 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, 47 locations, 1 error locations. Result: UNSAFE, OverallTime: 38.7s, OverallIterations: 46, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1413577640 SDtfs, 1640932060 SDslu, -1982015580 SDs, 0 SdLazy, 1942378652 SolverSat, 1051423232 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20454 GetRequests, 19896 SyntacticMatches, 64 SemanticMatches, 494 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110865 ImplicationChecksByTransitivity, 34.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1750 NumberOfCodeBlocks, 1750 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 1654 ConstructedInterpolants, 0 QuantifiedInterpolants, 160938 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 45 InterpolantComputations, 29 PerfectInterpolantSequences, 367/462 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 249]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L151] int waterLevel = 1; [L152] int methaneLevelCritical = 0; [L255] int methAndRunningLastTime ; [L498] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L765] int pumpRunning = 0; [L766] int systemActive = 1; [L123] int retValue_acc ; [L124] int tmp ; [L320] int retValue_acc ; [L323] retValue_acc = 1 [L324] return (retValue_acc); [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L260] methAndRunningLastTime = 0 [L697] int splverifierCounter ; [L698] int tmp ; [L699] int tmp___0 ; [L700] int tmp___1 ; [L701] int tmp___2 ; [L704] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L706] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L708] COND TRUE splverifierCounter < 4 [L714] tmp = __VERIFIER_nondet_int() [L716] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L718] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L169] COND TRUE waterLevel < 2 [L170] waterLevel = waterLevel + 1 [L718] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L724] tmp___0 = __VERIFIER_nondet_int() [L726] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L728] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L181] COND FALSE !(\read(methaneLevelCritical)) [L184] methaneLevelCritical = 1 [L728] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L734] tmp___2 = __VERIFIER_nondet_int() [L736] COND FALSE !(\read(tmp___2)) [L742] tmp___1 = __VERIFIER_nondet_int() [L744] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L751] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L772] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L779] COND TRUE \read(systemActive) [L801] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L804] COND TRUE ! pumpRunning [L898] int retValue_acc ; [L899] int tmp ; [L900] int tmp___0 ; [L231] int retValue_acc ; [L234] COND FALSE !(waterLevel < 2) [L238] retValue_acc = 0 [L239] return (retValue_acc); [L904] tmp = isHighWaterSensorDry() [L906] COND FALSE !(\read(tmp)) [L909] tmp___0 = 1 [L911] retValue_acc = tmp___0 [L912] return (retValue_acc); [L806] tmp = isHighWaterLevel() [L808] COND TRUE \read(tmp) [L829] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L265] int tmp ; [L266] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L270] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L190] int retValue_acc ; [L193] retValue_acc = methaneLevelCritical [L194] return (retValue_acc); [L270] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L270] tmp = isMethaneLevelCritical() [L272] COND TRUE \read(tmp) [L853] int retValue_acc ; [L856] retValue_acc = pumpRunning [L857] return (retValue_acc); [L274] tmp___0 = isPumpRunning() [L276] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L277] COND FALSE !(\read(methAndRunningLastTime)) [L282] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L751] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L706] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L708] COND TRUE splverifierCounter < 4 [L714] tmp = __VERIFIER_nondet_int() [L716] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L724] tmp___0 = __VERIFIER_nondet_int() [L726] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L734] tmp___2 = __VERIFIER_nondet_int() [L736] COND TRUE \read(tmp___2) [L920] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L751] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L772] COND TRUE \read(pumpRunning) [L157] COND TRUE waterLevel > 0 [L158] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L779] COND TRUE \read(systemActive) [L801] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L804] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L819] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L265] int tmp ; [L266] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L270] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L190] int retValue_acc ; [L193] retValue_acc = methaneLevelCritical [L194] return (retValue_acc); [L270] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L270] tmp = isMethaneLevelCritical() [L272] COND TRUE \read(tmp) [L853] int retValue_acc ; [L856] retValue_acc = pumpRunning [L857] return (retValue_acc); [L274] tmp___0 = isPumpRunning() [L276] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L277] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L249] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 322.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.9 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -122.7 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.70 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.61 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 562.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 992.4 MB in the end (delta: 70.2 MB). Peak memory consumption was 70.2 MB. Max. memory is 11.5 GB. * CodeCheck took 38931.43 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 485.5 MB). Free memory was 992.4 MB in the beginning and 844.6 MB in the end (delta: 147.8 MB). Peak memory consumption was 633.3 MB. Max. memory is 11.5 GB. * Witness Printer took 73.99 ms. Allocated memory is still 1.6 GB. Free memory was 844.6 MB in the beginning and 824.5 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...