./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_665c87ea-0857-41e9-9d1d-3132ba17ef53/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_665c87ea-0857-41e9-9d1d-3132ba17ef53/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_665c87ea-0857-41e9-9d1d-3132ba17ef53/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_665c87ea-0857-41e9-9d1d-3132ba17ef53/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_665c87ea-0857-41e9-9d1d-3132ba17ef53/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_665c87ea-0857-41e9-9d1d-3132ba17ef53/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 f0335c6392c59c467837b14da92286fa43b99dfc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 00:59:42,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 00:59:42,805 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 00:59:42,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 00:59:42,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 00:59:42,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 00:59:42,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 00:59:42,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 00:59:42,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 00:59:42,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 00:59:42,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 00:59:42,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 00:59:42,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 00:59:42,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 00:59:42,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 00:59:42,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 00:59:42,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 00:59:42,847 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 00:59:42,849 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 00:59:42,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 00:59:42,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 00:59:42,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 00:59:42,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 00:59:42,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 00:59:42,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 00:59:42,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 00:59:42,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 00:59:42,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 00:59:42,865 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 00:59:42,866 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 00:59:42,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 00:59:42,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 00:59:42,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 00:59:42,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 00:59:42,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 00:59:42,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 00:59:42,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 00:59:42,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 00:59:42,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 00:59:42,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 00:59:42,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 00:59:42,873 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_665c87ea-0857-41e9-9d1d-3132ba17ef53/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 00:59:42,896 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 00:59:42,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 00:59:42,897 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 00:59:42,897 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 00:59:42,897 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 00:59:42,898 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 00:59:42,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 00:59:42,898 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 00:59:42,898 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 00:59:42,898 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 00:59:42,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 00:59:42,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 00:59:42,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 00:59:42,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 00:59:42,899 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 00:59:42,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 00:59:42,900 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 00:59:42,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 00:59:42,900 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 00:59:42,900 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 00:59:42,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 00:59:42,900 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 00:59:42,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 00:59:42,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 00:59:42,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 00:59:42,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 00:59:42,901 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 00:59:42,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 00:59:42,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 00:59:42,902 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_665c87ea-0857-41e9-9d1d-3132ba17ef53/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 -> f0335c6392c59c467837b14da92286fa43b99dfc [2019-11-20 00:59:43,057 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 00:59:43,067 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 00:59:43,070 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 00:59:43,071 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 00:59:43,072 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 00:59:43,072 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_665c87ea-0857-41e9-9d1d-3132ba17ef53/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2019-11-20 00:59:43,129 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_665c87ea-0857-41e9-9d1d-3132ba17ef53/bin/ukojak/data/a3c069666/524124a160bd4ad8bc5532903f8c2625/FLAG28873fd33 [2019-11-20 00:59:43,564 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 00:59:43,565 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_665c87ea-0857-41e9-9d1d-3132ba17ef53/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2019-11-20 00:59:43,576 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_665c87ea-0857-41e9-9d1d-3132ba17ef53/bin/ukojak/data/a3c069666/524124a160bd4ad8bc5532903f8c2625/FLAG28873fd33 [2019-11-20 00:59:43,587 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_665c87ea-0857-41e9-9d1d-3132ba17ef53/bin/ukojak/data/a3c069666/524124a160bd4ad8bc5532903f8c2625 [2019-11-20 00:59:43,589 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 00:59:43,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 00:59:43,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 00:59:43,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 00:59:43,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 00:59:43,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:59:43" (1/1) ... [2019-11-20 00:59:43,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a1f57db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:59:43, skipping insertion in model container [2019-11-20 00:59:43,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:59:43" (1/1) ... [2019-11-20 00:59:43,605 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 00:59:43,651 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 00:59:43,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:59:44,007 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 00:59:44,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:59:44,139 INFO L192 MainTranslator]: Completed translation [2019-11-20 00:59:44,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:59:44 WrapperNode [2019-11-20 00:59:44,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 00:59:44,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 00:59:44,140 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 00:59:44,140 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 00:59:44,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:59:44" (1/1) ... [2019-11-20 00:59:44,166 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:59:44" (1/1) ... [2019-11-20 00:59:44,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 00:59:44,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 00:59:44,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 00:59:44,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 00:59:44,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:59:44" (1/1) ... [2019-11-20 00:59:44,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:59:44" (1/1) ... [2019-11-20 00:59:44,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:59:44" (1/1) ... [2019-11-20 00:59:44,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:59:44" (1/1) ... [2019-11-20 00:59:44,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:59:44" (1/1) ... [2019-11-20 00:59:44,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:59:44" (1/1) ... [2019-11-20 00:59:44,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:59:44" (1/1) ... [2019-11-20 00:59:44,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 00:59:44,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 00:59:44,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 00:59:44,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 00:59:44,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:59:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_665c87ea-0857-41e9-9d1d-3132ba17ef53/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 [2019-11-20 00:59:44,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 00:59:44,300 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-20 00:59:44,300 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-20 00:59:44,300 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-20 00:59:44,301 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-20 00:59:44,301 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-20 00:59:44,301 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-20 00:59:44,301 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-20 00:59:44,301 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-20 00:59:44,302 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-20 00:59:44,302 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-20 00:59:44,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 00:59:44,302 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-20 00:59:44,303 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-20 00:59:44,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 00:59:44,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 00:59:45,080 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 00:59:45,080 INFO L285 CfgBuilder]: Removed 38 assume(true) statements. [2019-11-20 00:59:45,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:59:45 BoogieIcfgContainer [2019-11-20 00:59:45,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 00:59:45,082 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 00:59:45,082 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 00:59:45,094 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 00:59:45,094 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:59:45" (1/1) ... [2019-11-20 00:59:45,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:59:45,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:59:45,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2019-11-20 00:59:45,152 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2019-11-20 00:59:45,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 00:59:45,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:59:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:45,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:59:45,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:59:45,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2019-11-20 00:59:45,426 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2019-11-20 00:59:45,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 00:59:45,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:59:45,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:45,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:59:45,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:59:45,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2019-11-20 00:59:45,546 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2019-11-20 00:59:45,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 00:59:45,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:59:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:45,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:59:45,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:59:45,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 55 states and 75 transitions. [2019-11-20 00:59:45,737 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2019-11-20 00:59:45,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 00:59:45,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:59:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:45,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:59:46,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:59:46,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 63 states and 89 transitions. [2019-11-20 00:59:46,093 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2019-11-20 00:59:46,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 00:59:46,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:59:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:46,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:59:46,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:59:46,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 64 states and 90 transitions. [2019-11-20 00:59:46,172 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2019-11-20 00:59:46,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 00:59:46,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:59:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:46,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:59:46,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:59:46,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 65 states and 91 transitions. [2019-11-20 00:59:46,244 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 91 transitions. [2019-11-20 00:59:46,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 00:59:46,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:59:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:46,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:59:47,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:59:47,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 79 states and 125 transitions. [2019-11-20 00:59:47,097 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 125 transitions. [2019-11-20 00:59:47,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 00:59:47,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:59:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:47,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:59:47,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:59:47,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 88 states and 146 transitions. [2019-11-20 00:59:47,816 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 146 transitions. [2019-11-20 00:59:47,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 00:59:47,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:59:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:47,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:59:48,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:59:48,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 92 states and 156 transitions. [2019-11-20 00:59:48,176 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 156 transitions. [2019-11-20 00:59:48,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 00:59:48,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:59:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:48,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:59:48,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:59:48,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 99 states and 165 transitions. [2019-11-20 00:59:48,383 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 165 transitions. [2019-11-20 00:59:48,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 00:59:48,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:59:48,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:48,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:59:48,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:59:48,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 100 states and 166 transitions. [2019-11-20 00:59:48,432 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 166 transitions. [2019-11-20 00:59:48,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 00:59:48,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:59:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:48,499 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:59:48,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:59:48,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 107 states and 183 transitions. [2019-11-20 00:59:48,775 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 183 transitions. [2019-11-20 00:59:48,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 00:59:48,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:59:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:48,802 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:59:48,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:59:48,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 108 states and 186 transitions. [2019-11-20 00:59:48,955 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 186 transitions. [2019-11-20 00:59:48,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 00:59:48,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:59:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:48,997 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:59:49,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:59:49,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 109 states and 189 transitions. [2019-11-20 00:59:49,039 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 189 transitions. [2019-11-20 00:59:49,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 00:59:49,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:59:49,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:49,065 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:59:49,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:59:49,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 110 states and 192 transitions. [2019-11-20 00:59:49,097 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 192 transitions. [2019-11-20 00:59:49,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 00:59:49,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:59:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:49,120 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:59:49,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:59:49,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 113 states and 198 transitions. [2019-11-20 00:59:49,377 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 198 transitions. [2019-11-20 00:59:49,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 00:59:49,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:59:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:49,399 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:59:49,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:59:49,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 114 states and 201 transitions. [2019-11-20 00:59:49,600 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 201 transitions. [2019-11-20 00:59:49,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 00:59:49,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:59:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:49,628 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:59:49,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:59:49,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 118 states and 205 transitions. [2019-11-20 00:59:49,665 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 205 transitions. [2019-11-20 00:59:49,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 00:59:49,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:59:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:49,694 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 00:59:49,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:59:49,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 120 states and 206 transitions. [2019-11-20 00:59:49,918 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 206 transitions. [2019-11-20 00:59:49,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 00:59:49,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:59:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:50,028 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 00:59:50,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:59:50,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 132 states and 246 transitions. [2019-11-20 00:59:50,834 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 246 transitions. [2019-11-20 00:59:50,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 00:59:50,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:59:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:50,890 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 00:59:51,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:59:51,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 136 states and 253 transitions. [2019-11-20 00:59:51,517 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 253 transitions. [2019-11-20 00:59:51,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 00:59:51,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:59:51,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:51,903 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:59:54,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:59:54,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 145 states and 276 transitions. [2019-11-20 00:59:54,506 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 276 transitions. [2019-11-20 00:59:54,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 00:59:54,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:59:54,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:54,535 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 00:59:54,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:59:54,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 146 states and 277 transitions. [2019-11-20 00:59:54,551 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 277 transitions. [2019-11-20 00:59:54,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 00:59:54,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:59:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:54,579 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 00:59:54,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:59:54,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 147 states and 278 transitions. [2019-11-20 00:59:54,601 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 278 transitions. [2019-11-20 00:59:54,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 00:59:54,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:59:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:54,628 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 00:59:54,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:59:54,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 148 states and 275 transitions. [2019-11-20 00:59:54,912 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 275 transitions. [2019-11-20 00:59:54,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 00:59:54,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:59:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:54,953 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 00:59:55,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:59:55,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 151 states and 275 transitions. [2019-11-20 00:59:55,827 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 275 transitions. [2019-11-20 00:59:55,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 00:59:55,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:59:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:55,852 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 00:59:56,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:59:56,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 153 states and 277 transitions. [2019-11-20 00:59:56,149 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 277 transitions. [2019-11-20 00:59:56,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 00:59:56,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:59:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:56,184 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 00:59:56,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:59:56,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 124 states and 211 transitions. [2019-11-20 00:59:56,467 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 211 transitions. [2019-11-20 00:59:56,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 00:59:56,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:59:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:56,501 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 00:59:56,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:59:56,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 129 states and 218 transitions. [2019-11-20 00:59:56,536 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 218 transitions. [2019-11-20 00:59:56,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 00:59:56,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:59:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:56,561 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 00:59:56,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:59:56,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 118 states and 195 transitions. [2019-11-20 00:59:56,581 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 195 transitions. [2019-11-20 00:59:56,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 00:59:56,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:59:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:56,613 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 00:59:56,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:59:56,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 116 states and 191 transitions. [2019-11-20 00:59:56,637 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 191 transitions. [2019-11-20 00:59:56,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 00:59:56,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:59:56,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:56,669 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 00:59:56,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:59:56,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 70 states and 105 transitions. [2019-11-20 00:59:56,693 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 105 transitions. [2019-11-20 00:59:56,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 00:59:56,694 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 33 iterations. [2019-11-20 00:59:56,705 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 00:59:56,931 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 00:59:56,935 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 00:59:56,935 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 00:59:56,935 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2019-11-20 00:59:56,938 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 00:59:56,938 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 00:59:56,938 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 00:59:56,939 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 00:59:56,939 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2019-11-20 00:59:56,940 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 00:59:56,940 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 00:59:56,940 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 00:59:56,940 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2019-11-20 00:59:56,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 12:59:56 ImpRootNode [2019-11-20 00:59:56,942 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 00:59:56,942 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 00:59:56,942 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 00:59:56,943 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 00:59:56,943 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:59:45" (3/4) ... [2019-11-20 00:59:56,946 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 00:59:56,950 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-11-20 00:59:56,950 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-20 00:59:56,950 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-20 00:59:56,950 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-20 00:59:56,951 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-20 00:59:56,951 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-20 00:59:56,957 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2019-11-20 00:59:56,958 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-20 00:59:56,958 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-11-20 00:59:56,959 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 00:59:56,959 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 00:59:56,960 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 00:59:56,982 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) [2019-11-20 00:59:56,983 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(pumpRunning == 0) || pumpRunning == \old(pumpRunning) [2019-11-20 00:59:57,029 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_665c87ea-0857-41e9-9d1d-3132ba17ef53/bin/ukojak/witness.graphml [2019-11-20 00:59:57,029 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 00:59:57,031 INFO L168 Benchmark]: Toolchain (without parser) took 13440.00 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 386.4 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -159.8 MB). Peak memory consumption was 226.6 MB. Max. memory is 11.5 GB. [2019-11-20 00:59:57,031 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:59:57,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 548.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -207.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-20 00:59:57,032 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.09 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-20 00:59:57,032 INFO L168 Benchmark]: Boogie Preprocessor took 29.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:59:57,033 INFO L168 Benchmark]: RCFGBuilder took 856.29 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: 70.2 MB). Peak memory consumption was 70.2 MB. Max. memory is 11.5 GB. [2019-11-20 00:59:57,033 INFO L168 Benchmark]: CodeCheck took 11859.82 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 220.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -38.5 MB). Peak memory consumption was 182.3 MB. Max. memory is 11.5 GB. [2019-11-20 00:59:57,034 INFO L168 Benchmark]: Witness Printer took 86.91 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2019-11-20 00:59:57,036 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, 50 locations, 1 error locations. Result: SAFE, OverallTime: 11.5s, OverallIterations: 33, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2077814092 SDtfs, -1070509220 SDslu, -1733147636 SDs, 0 SdLazy, 992473052 SolverSat, 556352812 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10208 GetRequests, 9892 SyntacticMatches, 132 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14095 ImplicationChecksByTransitivity, 8.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 993 NumberOfCodeBlocks, 993 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 961 ConstructedInterpolants, 0 QuantifiedInterpolants, 73228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 32 InterpolantComputations, 24 PerfectInterpolantSequences, 254/284 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: 890]: 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: 826]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || pumpRunning == \old(pumpRunning) - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: ((tmp == systemActive && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 548.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -207.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.09 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 856.29 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: 70.2 MB). Peak memory consumption was 70.2 MB. Max. memory is 11.5 GB. * CodeCheck took 11859.82 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 220.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -38.5 MB). Peak memory consumption was 182.3 MB. Max. memory is 11.5 GB. * Witness Printer took 86.91 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...