./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_52649372-8215-4237-961b-d918924715fd/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_52649372-8215-4237-961b-d918924715fd/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_52649372-8215-4237-961b-d918924715fd/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_52649372-8215-4237-961b-d918924715fd/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_52649372-8215-4237-961b-d918924715fd/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_52649372-8215-4237-961b-d918924715fd/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 40fed9ba382e53b697a1093810870166e2d037a9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:12:16,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:12:16,859 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:12:16,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:12:16,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:12:16,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:12:16,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:12:16,874 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:12:16,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:12:16,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:12:16,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:12:16,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:12:16,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:12:16,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:12:16,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:12:16,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:12:16,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:12:16,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:12:16,885 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:12:16,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:12:16,889 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:12:16,890 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:12:16,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:12:16,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:12:16,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:12:16,896 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:12:16,896 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:12:16,897 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:12:16,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:12:16,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:12:16,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:12:16,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:12:16,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:12:16,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:12:16,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:12:16,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:12:16,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:12:16,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:12:16,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:12:16,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:12:16,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:12:16,909 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_52649372-8215-4237-961b-d918924715fd/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:12:16,926 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:12:16,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:12:16,927 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:12:16,927 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:12:16,928 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:12:16,928 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:12:16,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:12:16,928 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:12:16,929 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:12:16,929 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:12:16,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:12:16,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:12:16,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:12:16,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:12:16,930 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:12:16,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:12:16,930 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:12:16,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:12:16,930 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:12:16,931 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:12:16,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:12:16,931 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:12:16,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:12:16,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:12:16,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:12:16,932 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:12:16,932 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:12:16,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:12:16,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:12:16,932 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/working_dir_52649372-8215-4237-961b-d918924715fd/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 -> 40fed9ba382e53b697a1093810870166e2d037a9 [2019-10-22 10:12:16,961 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:12:16,972 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:12:16,976 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:12:16,982 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:12:16,982 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:12:16,983 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_52649372-8215-4237-961b-d918924715fd/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2019-10-22 10:12:17,036 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_52649372-8215-4237-961b-d918924715fd/bin/ukojak/data/d77cc5bb4/52ba54b4800f4a4faf814d979de9ebc3/FLAG776adb8f2 [2019-10-22 10:12:17,509 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:12:17,510 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_52649372-8215-4237-961b-d918924715fd/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2019-10-22 10:12:17,522 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_52649372-8215-4237-961b-d918924715fd/bin/ukojak/data/d77cc5bb4/52ba54b4800f4a4faf814d979de9ebc3/FLAG776adb8f2 [2019-10-22 10:12:17,798 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_52649372-8215-4237-961b-d918924715fd/bin/ukojak/data/d77cc5bb4/52ba54b4800f4a4faf814d979de9ebc3 [2019-10-22 10:12:17,801 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:12:17,802 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:12:17,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:12:17,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:12:17,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:12:17,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:12:17" (1/1) ... [2019-10-22 10:12:17,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a17ed8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:17, skipping insertion in model container [2019-10-22 10:12:17,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:12:17" (1/1) ... [2019-10-22 10:12:17,821 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:12:17,878 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:12:18,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:12:18,283 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:12:18,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:12:18,393 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:12:18,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:18 WrapperNode [2019-10-22 10:12:18,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:12:18,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:12:18,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:12:18,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:12:18,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:18" (1/1) ... [2019-10-22 10:12:18,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:18" (1/1) ... [2019-10-22 10:12:18,482 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:12:18,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:12:18,483 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:12:18,483 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:12:18,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:18" (1/1) ... [2019-10-22 10:12:18,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:18" (1/1) ... [2019-10-22 10:12:18,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:18" (1/1) ... [2019-10-22 10:12:18,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:18" (1/1) ... [2019-10-22 10:12:18,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:18" (1/1) ... [2019-10-22 10:12:18,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:18" (1/1) ... [2019-10-22 10:12:18,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:18" (1/1) ... [2019-10-22 10:12:18,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:12:18,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:12:18,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:12:18,538 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:12:18,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52649372-8215-4237-961b-d918924715fd/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 [2019-10-22 10:12:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:12:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-22 10:12:18,639 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-22 10:12:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-22 10:12:18,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-22 10:12:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-22 10:12:18,641 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-22 10:12:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-22 10:12:18,641 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-22 10:12:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-22 10:12:18,643 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-22 10:12:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-22 10:12:18,644 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-22 10:12:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-22 10:12:18,644 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-22 10:12:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:12:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-22 10:12:18,645 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-22 10:12:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:12:18,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:12:19,702 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:12:19,703 INFO L284 CfgBuilder]: Removed 38 assume(true) statements. [2019-10-22 10:12:19,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:19 BoogieIcfgContainer [2019-10-22 10:12:19,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:12:19,705 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:12:19,705 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:12:19,718 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:12:19,718 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:19" (1/1) ... [2019-10-22 10:12:19,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:12:19,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:19,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 60 states and 80 transitions. [2019-10-22 10:12:19,785 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2019-10-22 10:12:19,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:12:19,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:20,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:20,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:20,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 78 transitions. [2019-10-22 10:12:20,070 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2019-10-22 10:12:20,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 10:12:20,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:20,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:20,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:20,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 62 states and 81 transitions. [2019-10-22 10:12:20,270 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2019-10-22 10:12:20,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 10:12:20,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:20,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:20,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:20,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 71 states and 98 transitions. [2019-10-22 10:12:20,586 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2019-10-22 10:12:20,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:12:20,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:20,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:21,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:21,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 85 states and 129 transitions. [2019-10-22 10:12:21,457 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 129 transitions. [2019-10-22 10:12:21,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:12:21,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:21,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:22,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:22,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 100 states and 165 transitions. [2019-10-22 10:12:22,942 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 165 transitions. [2019-10-22 10:12:22,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 10:12:22,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:22,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:23,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:23,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 102 states and 167 transitions. [2019-10-22 10:12:23,094 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 167 transitions. [2019-10-22 10:12:23,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-22 10:12:23,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:23,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:23,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:23,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 110 states and 183 transitions. [2019-10-22 10:12:23,278 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 183 transitions. [2019-10-22 10:12:23,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 10:12:23,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:23,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:23,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:23,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 112 states and 185 transitions. [2019-10-22 10:12:23,422 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 185 transitions. [2019-10-22 10:12:23,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-22 10:12:23,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:23,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:23,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:23,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:23,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 117 states and 195 transitions. [2019-10-22 10:12:23,652 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 195 transitions. [2019-10-22 10:12:23,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 10:12:23,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:23,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:23,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:23,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 124 states and 210 transitions. [2019-10-22 10:12:23,873 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 210 transitions. [2019-10-22 10:12:23,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 10:12:23,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:23,906 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:23,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:23,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 125 states and 211 transitions. [2019-10-22 10:12:23,920 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 211 transitions. [2019-10-22 10:12:23,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 10:12:23,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:24,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:24,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:24,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 127 states and 216 transitions. [2019-10-22 10:12:24,240 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 216 transitions. [2019-10-22 10:12:24,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 10:12:24,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:24,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:24,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:24,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 125 states and 210 transitions. [2019-10-22 10:12:24,286 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 210 transitions. [2019-10-22 10:12:24,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 10:12:24,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:24,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:24,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:24,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 126 states and 212 transitions. [2019-10-22 10:12:24,472 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 212 transitions. [2019-10-22 10:12:24,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-22 10:12:24,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:24,802 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:12:25,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:25,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 129 states and 220 transitions. [2019-10-22 10:12:25,696 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 220 transitions. [2019-10-22 10:12:25,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-22 10:12:25,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:25,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:25,740 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:26,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:26,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 137 states and 236 transitions. [2019-10-22 10:12:26,422 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 236 transitions. [2019-10-22 10:12:26,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 10:12:26,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:26,526 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:26,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:26,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 143 states and 252 transitions. [2019-10-22 10:12:26,984 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 252 transitions. [2019-10-22 10:12:26,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-22 10:12:26,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:27,023 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:27,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:27,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 141 states and 248 transitions. [2019-10-22 10:12:27,046 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 248 transitions. [2019-10-22 10:12:27,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-22 10:12:27,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:27,085 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:27,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:27,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 143 states and 253 transitions. [2019-10-22 10:12:27,407 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 253 transitions. [2019-10-22 10:12:27,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 10:12:27,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:27,445 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:12:27,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:27,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 146 states and 256 transitions. [2019-10-22 10:12:27,755 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 256 transitions. [2019-10-22 10:12:27,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-22 10:12:27,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:27,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:27,794 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:12:29,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:29,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 158 states and 284 transitions. [2019-10-22 10:12:29,906 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 284 transitions. [2019-10-22 10:12:29,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 10:12:29,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:29,944 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:12:31,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:31,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 169 states and 316 transitions. [2019-10-22 10:12:31,404 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 316 transitions. [2019-10-22 10:12:31,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-22 10:12:31,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:31,452 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:32,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:32,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 175 states and 331 transitions. [2019-10-22 10:12:32,235 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 331 transitions. [2019-10-22 10:12:32,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-22 10:12:32,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:32,387 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:32,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:32,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 178 states and 332 transitions. [2019-10-22 10:12:32,944 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 332 transitions. [2019-10-22 10:12:32,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-22 10:12:32,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:33,013 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:34,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:34,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 186 states and 345 transitions. [2019-10-22 10:12:34,176 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 345 transitions. [2019-10-22 10:12:34,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-22 10:12:34,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:34,220 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-22 10:12:34,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:34,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 189 states and 349 transitions. [2019-10-22 10:12:34,579 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 349 transitions. [2019-10-22 10:12:34,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-22 10:12:34,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:34,620 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 10:12:34,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:34,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 190 states and 350 transitions. [2019-10-22 10:12:34,640 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 350 transitions. [2019-10-22 10:12:34,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-22 10:12:34,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:34,678 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 10:12:35,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:35,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 146 states and 241 transitions. [2019-10-22 10:12:35,669 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 241 transitions. [2019-10-22 10:12:35,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-22 10:12:35,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:35,705 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-22 10:12:35,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:35,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 148 states and 244 transitions. [2019-10-22 10:12:35,739 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 244 transitions. [2019-10-22 10:12:35,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-22 10:12:35,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:35,773 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-10-22 10:12:35,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:35,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 149 states and 245 transitions. [2019-10-22 10:12:35,810 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 245 transitions. [2019-10-22 10:12:35,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-22 10:12:35,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:35,845 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-22 10:12:35,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:35,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 71 states and 88 transitions. [2019-10-22 10:12:35,873 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2019-10-22 10:12:35,873 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:12:35,874 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 32 iterations. [2019-10-22 10:12:35,884 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:12:36,201 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:12:36,209 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:12:36,209 INFO L575 CodeCheckObserver]: Invariant with dag size 9 [2019-10-22 10:12:36,214 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:12:36,215 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:12:36,215 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:12:36,215 INFO L575 CodeCheckObserver]: Invariant with dag size 11 [2019-10-22 10:12:36,216 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:12:36,217 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:12:36,217 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:12:36,217 INFO L575 CodeCheckObserver]: Invariant with dag size 7 [2019-10-22 10:12:36,222 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:12:36,222 INFO L575 CodeCheckObserver]: Invariant with dag size 3 [2019-10-22 10:12:36,222 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:12:36,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:12:36 ImpRootNode [2019-10-22 10:12:36,223 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:12:36,223 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:12:36,223 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:12:36,223 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:12:36,224 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:19" (3/4) ... [2019-10-22 10:12:36,228 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:12:36,236 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-10-22 10:12:36,238 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-10-22 10:12:36,238 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-10-22 10:12:36,238 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-10-22 10:12:36,238 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-10-22 10:12:36,238 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-10-22 10:12:36,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-10-22 10:12:36,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2019-10-22 10:12:36,247 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2019-10-22 10:12:36,250 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 10:12:36,250 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 10:12:36,251 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 10:12:36,251 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 10:12:36,252 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 10:12:36,281 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || 0 == systemActive) || !(pumpRunning == 0) [2019-10-22 10:12:36,282 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2019-10-22 10:12:36,344 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_52649372-8215-4237-961b-d918924715fd/bin/ukojak/witness.graphml [2019-10-22 10:12:36,344 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:12:36,346 INFO L168 Benchmark]: Toolchain (without parser) took 18543.51 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 332.9 MB). Free memory was 940.3 MB in the beginning and 898.1 MB in the end (delta: 42.2 MB). Peak memory consumption was 375.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:36,347 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:12:36,347 INFO L168 Benchmark]: CACSL2BoogieTranslator took 590.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 939.0 MB in the beginning and 1.1 GB in the end (delta: -184.3 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:36,348 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:36,348 INFO L168 Benchmark]: Boogie Preprocessor took 54.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:36,348 INFO L168 Benchmark]: RCFGBuilder took 1166.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.6 MB). Peak memory consumption was 73.6 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:36,349 INFO L168 Benchmark]: CodeCheck took 16518.08 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 193.5 MB). Free memory was 1.0 GB in the beginning and 910.6 MB in the end (delta: 128.5 MB). Peak memory consumption was 321.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:36,349 INFO L168 Benchmark]: Witness Printer took 121.01 ms. Allocated memory is still 1.4 GB. Free memory was 910.6 MB in the beginning and 898.1 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:36,351 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 9 procedures, 60 locations, 1 error locations. Result: SAFE, OverallTime: 16.1s, OverallIterations: 32, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -532227676 SDtfs, 1290981692 SDslu, -1012722900 SDs, 0 SdLazy, 1350182348 SolverSat, 393008004 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13982 GetRequests, 13681 SyntacticMatches, 57 SemanticMatches, 244 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24327 ImplicationChecksByTransitivity, 12.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1320 NumberOfCodeBlocks, 1320 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1289 ConstructedInterpolants, 0 QuantifiedInterpolants, 118170 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 25 PerfectInterpolantSequences, 358/384 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 - PositiveResult [Line: 778]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || 0 == systemActive) || !(pumpRunning == 0) - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && pumpRunning == 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: !(0 == tmp) || methaneLevelCritical == tmp - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 590.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 939.0 MB in the beginning and 1.1 GB in the end (delta: -184.3 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 88.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1166.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.6 MB). Peak memory consumption was 73.6 MB. Max. memory is 11.5 GB. * CodeCheck took 16518.08 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 193.5 MB). Free memory was 1.0 GB in the beginning and 910.6 MB in the end (delta: 128.5 MB). Peak memory consumption was 321.9 MB. Max. memory is 11.5 GB. * Witness Printer took 121.01 ms. Allocated memory is still 1.4 GB. Free memory was 910.6 MB in the beginning and 898.1 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...