./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.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_a736d338-f5f4-463d-b4ec-44a872bf841f/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a736d338-f5f4-463d-b4ec-44a872bf841f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a736d338-f5f4-463d-b4ec-44a872bf841f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a736d338-f5f4-463d-b4ec-44a872bf841f/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a736d338-f5f4-463d-b4ec-44a872bf841f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a736d338-f5f4-463d-b4ec-44a872bf841f/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 407d2ed2af07127fb49dbf31f1dfe014dd6d299c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:02:42,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:02:42,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:02:42,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:02:42,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:02:42,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:02:42,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:02:42,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:02:42,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:02:42,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:02:42,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:02:42,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:02:42,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:02:42,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:02:42,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:02:42,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:02:42,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:02:42,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:02:42,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:02:42,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:02:42,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:02:42,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:02:42,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:02:42,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:02:42,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:02:42,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:02:42,741 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:02:42,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:02:42,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:02:42,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:02:42,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:02:42,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:02:42,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:02:42,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:02:42,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:02:42,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:02:42,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:02:42,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:02:42,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:02:42,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:02:42,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:02:42,751 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a736d338-f5f4-463d-b4ec-44a872bf841f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-19 22:02:42,775 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:02:42,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:02:42,789 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-19 22:02:42,789 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-19 22:02:42,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:02:42,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:02:42,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:02:42,791 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:02:42,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:02:42,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:02:42,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:02:42,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 22:02:42,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 22:02:42,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 22:02:42,793 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:02:42,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:02:42,793 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:02:42,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 22:02:42,794 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-19 22:02:42,794 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-19 22:02:42,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:02:42,794 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 22:02:42,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-19 22:02:42,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:02:42,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 22:02:42,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 22:02:42,796 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-19 22:02:42,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 22:02:42,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 22:02:42,796 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_a736d338-f5f4-463d-b4ec-44a872bf841f/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 -> 407d2ed2af07127fb49dbf31f1dfe014dd6d299c [2019-11-19 22:02:42,959 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:02:42,970 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:02:42,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:02:42,976 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:02:42,977 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:02:42,978 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a736d338-f5f4-463d-b4ec-44a872bf841f/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2019-11-19 22:02:43,048 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a736d338-f5f4-463d-b4ec-44a872bf841f/bin/ukojak/data/a70a2ca07/82a6f183edf3439e9ac3828c048eed9c/FLAG028f9059f [2019-11-19 22:02:43,465 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:02:43,466 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a736d338-f5f4-463d-b4ec-44a872bf841f/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2019-11-19 22:02:43,478 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a736d338-f5f4-463d-b4ec-44a872bf841f/bin/ukojak/data/a70a2ca07/82a6f183edf3439e9ac3828c048eed9c/FLAG028f9059f [2019-11-19 22:02:43,488 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a736d338-f5f4-463d-b4ec-44a872bf841f/bin/ukojak/data/a70a2ca07/82a6f183edf3439e9ac3828c048eed9c [2019-11-19 22:02:43,490 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:02:43,491 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:02:43,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:02:43,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:02:43,495 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:02:43,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:02:43" (1/1) ... [2019-11-19 22:02:43,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45040256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:43, skipping insertion in model container [2019-11-19 22:02:43,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:02:43" (1/1) ... [2019-11-19 22:02:43,506 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:02:43,549 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:02:43,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:02:43,952 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:02:44,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:02:44,072 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:02:44,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:44 WrapperNode [2019-11-19 22:02:44,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:02:44,073 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:02:44,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:02:44,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:02:44,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:44" (1/1) ... [2019-11-19 22:02:44,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:44" (1/1) ... [2019-11-19 22:02:44,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:02:44,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:02:44,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:02:44,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:02:44,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:44" (1/1) ... [2019-11-19 22:02:44,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:44" (1/1) ... [2019-11-19 22:02:44,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:44" (1/1) ... [2019-11-19 22:02:44,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:44" (1/1) ... [2019-11-19 22:02:44,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:44" (1/1) ... [2019-11-19 22:02:44,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:44" (1/1) ... [2019-11-19 22:02:44,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:44" (1/1) ... [2019-11-19 22:02:44,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:02:44,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:02:44,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:02:44,160 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:02:44,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a736d338-f5f4-463d-b4ec-44a872bf841f/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 [2019-11-19 22:02:44,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:02:44,221 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-19 22:02:44,221 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-19 22:02:44,222 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-19 22:02:44,222 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-19 22:02:44,222 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-19 22:02:44,222 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-19 22:02:44,222 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-11-19 22:02:44,223 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-11-19 22:02:44,223 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-19 22:02:44,223 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-19 22:02:44,223 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-19 22:02:44,223 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-19 22:02:44,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 22:02:44,224 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-19 22:02:44,225 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-19 22:02:44,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:02:44,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:02:45,091 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:02:45,092 INFO L285 CfgBuilder]: Removed 36 assume(true) statements. [2019-11-19 22:02:45,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:02:45 BoogieIcfgContainer [2019-11-19 22:02:45,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:02:45,093 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-19 22:02:45,093 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-19 22:02:45,102 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-19 22:02:45,103 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:02:45" (1/1) ... [2019-11-19 22:02:45,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:02:45,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:45,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2019-11-19 22:02:45,160 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2019-11-19 22:02:45,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-19 22:02:45,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:02:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:02:45,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:02:45,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:45,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2019-11-19 22:02:45,383 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2019-11-19 22:02:45,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-19 22:02:45,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:02:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:02:45,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:02:45,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:45,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2019-11-19 22:02:45,587 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2019-11-19 22:02:45,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-19 22:02:45,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:02:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:02:45,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:02:45,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:45,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 59 states and 81 transitions. [2019-11-19 22:02:45,750 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2019-11-19 22:02:45,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 22:02:45,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:02:45,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:02:45,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:02:45,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:45,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 95 transitions. [2019-11-19 22:02:45,970 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2019-11-19 22:02:45,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-19 22:02:45,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:02:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:02:46,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:02:46,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:46,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 96 transitions. [2019-11-19 22:02:46,025 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2019-11-19 22:02:46,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-19 22:02:46,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:02:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:02:46,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:02:46,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:46,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 84 states and 130 transitions. [2019-11-19 22:02:46,521 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 130 transitions. [2019-11-19 22:02:46,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-19 22:02:46,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:02:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:02:46,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:02:46,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:46,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 88 states and 138 transitions. [2019-11-19 22:02:46,640 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 138 transitions. [2019-11-19 22:02:46,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-19 22:02:46,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:02:46,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:02:46,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:02:46,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:46,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 89 states and 139 transitions. [2019-11-19 22:02:46,703 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 139 transitions. [2019-11-19 22:02:46,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-19 22:02:46,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:02:46,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:02:46,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:02:46,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:46,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 90 states and 140 transitions. [2019-11-19 22:02:46,780 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 140 transitions. [2019-11-19 22:02:46,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-19 22:02:46,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:02:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:02:46,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:02:46,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:46,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 91 states and 141 transitions. [2019-11-19 22:02:46,830 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 141 transitions. [2019-11-19 22:02:46,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-19 22:02:46,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:02:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:02:46,901 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:02:47,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:47,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 101 states and 162 transitions. [2019-11-19 22:02:47,330 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 162 transitions. [2019-11-19 22:02:47,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-19 22:02:47,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:02:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:02:47,363 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:02:47,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:47,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 102 states and 164 transitions. [2019-11-19 22:02:47,399 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 164 transitions. [2019-11-19 22:02:47,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-19 22:02:47,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:02:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:02:47,447 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:02:47,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:47,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 103 states and 165 transitions. [2019-11-19 22:02:47,473 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 165 transitions. [2019-11-19 22:02:47,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-19 22:02:47,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:02:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:02:47,508 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:02:47,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:47,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 97 states and 154 transitions. [2019-11-19 22:02:47,534 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 154 transitions. [2019-11-19 22:02:47,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-19 22:02:47,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:02:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:02:47,611 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 22:02:48,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:48,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 109 states and 189 transitions. [2019-11-19 22:02:48,040 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 189 transitions. [2019-11-19 22:02:48,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-19 22:02:48,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:02:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:02:48,083 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 22:02:48,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:48,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 111 states and 192 transitions. [2019-11-19 22:02:48,238 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 192 transitions. [2019-11-19 22:02:48,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-19 22:02:48,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:02:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:02:48,315 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:02:49,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:49,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 126 states and 232 transitions. [2019-11-19 22:02:49,143 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 232 transitions. [2019-11-19 22:02:49,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-19 22:02:49,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:02:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:02:49,197 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 22:02:49,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:49,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 127 states and 232 transitions. [2019-11-19 22:02:49,390 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 232 transitions. [2019-11-19 22:02:49,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-19 22:02:49,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:02:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:02:49,422 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:02:49,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:49,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 128 states and 236 transitions. [2019-11-19 22:02:49,639 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 236 transitions. [2019-11-19 22:02:49,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-19 22:02:49,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:02:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:02:49,686 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 22:02:49,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:49,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 129 states and 237 transitions. [2019-11-19 22:02:49,702 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 237 transitions. [2019-11-19 22:02:49,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-19 22:02:49,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:02:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:02:49,741 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 22:02:49,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:49,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 130 states and 238 transitions. [2019-11-19 22:02:49,759 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 238 transitions. [2019-11-19 22:02:49,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-19 22:02:49,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:02:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:02:49,791 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:02:49,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:49,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 131 states and 239 transitions. [2019-11-19 22:02:49,804 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 239 transitions. [2019-11-19 22:02:49,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-19 22:02:49,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:02:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:02:49,838 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:02:49,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:49,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 132 states and 240 transitions. [2019-11-19 22:02:49,851 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 240 transitions. [2019-11-19 22:02:49,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-19 22:02:49,852 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:02:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:02:49,890 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:02:50,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:50,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 133 states and 237 transitions. [2019-11-19 22:02:50,048 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 237 transitions. [2019-11-19 22:02:50,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-19 22:02:50,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:02:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:02:50,142 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 22:02:50,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:50,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 135 states and 243 transitions. [2019-11-19 22:02:50,558 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 243 transitions. [2019-11-19 22:02:50,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-19 22:02:50,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:02:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:02:50,609 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 22:02:50,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:50,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 97 states and 149 transitions. [2019-11-19 22:02:50,832 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 149 transitions. [2019-11-19 22:02:50,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-19 22:02:50,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:02:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:02:50,861 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-19 22:02:50,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:50,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 102 states and 156 transitions. [2019-11-19 22:02:50,895 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 156 transitions. [2019-11-19 22:02:50,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-19 22:02:50,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:02:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:02:50,925 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-19 22:02:50,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:50,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 103 states and 157 transitions. [2019-11-19 22:02:50,950 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 157 transitions. [2019-11-19 22:02:50,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-19 22:02:50,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:02:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:02:50,981 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-19 22:02:51,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:51,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 53 states and 73 transitions. [2019-11-19 22:02:51,005 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2019-11-19 22:02:51,006 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 22:02:51,006 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 30 iterations. [2019-11-19 22:02:51,017 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-19 22:02:51,248 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:02:51,251 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:02:51,252 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:02:51,252 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:02:51,252 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:02:51,252 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:02:51,252 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:02:51,252 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2019-11-19 22:02:51,256 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:02:51,256 INFO L569 CodeCheckObserver]: Invariant with dag size 10 [2019-11-19 22:02:51,257 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:02:51,257 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:02:51,257 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:02:51,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 10:02:51 ImpRootNode [2019-11-19 22:02:51,258 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-19 22:02:51,258 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:02:51,258 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:02:51,258 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:02:51,259 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:02:45" (3/4) ... [2019-11-19 22:02:51,262 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 22:02:51,267 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-11-19 22:02:51,267 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-19 22:02:51,267 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-19 22:02:51,267 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-19 22:02:51,268 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-19 22:02:51,268 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2019-11-19 22:02:51,268 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2019-11-19 22:02:51,274 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2019-11-19 22:02:51,275 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-19 22:02:51,275 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-11-19 22:02:51,276 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 22:02:51,276 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 22:02:51,277 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 22:02:51,303 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 1 == systemActive [2019-11-19 22:02:51,353 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a736d338-f5f4-463d-b4ec-44a872bf841f/bin/ukojak/witness.graphml [2019-11-19 22:02:51,353 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:02:51,355 INFO L168 Benchmark]: Toolchain (without parser) took 7863.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.3 MB). Free memory was 946.1 MB in the beginning and 1.0 GB in the end (delta: -88.0 MB). Peak memory consumption was 101.3 MB. Max. memory is 11.5 GB. [2019-11-19 22:02:51,355 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:02:51,356 INFO L168 Benchmark]: CACSL2BoogieTranslator took 581.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -188.9 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:02:51,356 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.41 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. [2019-11-19 22:02:51,356 INFO L168 Benchmark]: Boogie Preprocessor took 32.80 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-19 22:02:51,357 INFO L168 Benchmark]: RCFGBuilder took 933.81 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: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. [2019-11-19 22:02:51,357 INFO L168 Benchmark]: CodeCheck took 6164.38 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 42.5 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 16.7 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. [2019-11-19 22:02:51,357 INFO L168 Benchmark]: Witness Printer took 95.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2019-11-19 22:02:51,359 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 8 procedures, 54 locations, 1 error locations. Result: SAFE, OverallTime: 5.8s, OverallIterations: 30, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2073743244 SDtfs, -1386055868 SDslu, 784213684 SDs, 0 SdLazy, -170511940 SolverSat, 1363337052 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8816 GetRequests, 8623 SyntacticMatches, 89 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4485 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 903 NumberOfCodeBlocks, 903 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 874 ConstructedInterpolants, 0 QuantifiedInterpolants, 66256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 24 PerfectInterpolantSequences, 238/259 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: 633]: 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: 825]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 1 == systemActive && pumpRunning == 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 1 == systemActive - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 581.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -188.9 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.80 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 933.81 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: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. * CodeCheck took 6164.38 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 42.5 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 16.7 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. * Witness Printer took 95.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...