./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product42.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f424f557-5a33-43fa-8d57-4bce7fe3440a/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f424f557-5a33-43fa-8d57-4bce7fe3440a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f424f557-5a33-43fa-8d57-4bce7fe3440a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f424f557-5a33-43fa-8d57-4bce7fe3440a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product42.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f424f557-5a33-43fa-8d57-4bce7fe3440a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f424f557-5a33-43fa-8d57-4bce7fe3440a/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 0f3978068d3e88eb2e8d08ee6f85f2ba09bbc729 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 22:10:08,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 22:10:08,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 22:10:08,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 22:10:08,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 22:10:08,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 22:10:08,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 22:10:08,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 22:10:08,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 22:10:08,723 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 22:10:08,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 22:10:08,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 22:10:08,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 22:10:08,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 22:10:08,726 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 22:10:08,727 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 22:10:08,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 22:10:08,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 22:10:08,730 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 22:10:08,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 22:10:08,732 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 22:10:08,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 22:10:08,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 22:10:08,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 22:10:08,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 22:10:08,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 22:10:08,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 22:10:08,736 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 22:10:08,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 22:10:08,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 22:10:08,737 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 22:10:08,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 22:10:08,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 22:10:08,739 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 22:10:08,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 22:10:08,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 22:10:08,740 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 22:10:08,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 22:10:08,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 22:10:08,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 22:10:08,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 22:10:08,741 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f424f557-5a33-43fa-8d57-4bce7fe3440a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 22:10:08,750 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 22:10:08,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 22:10:08,751 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 22:10:08,751 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 22:10:08,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 22:10:08,752 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 22:10:08,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 22:10:08,752 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 22:10:08,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 22:10:08,752 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 22:10:08,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 22:10:08,752 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 22:10:08,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 22:10:08,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 22:10:08,753 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 22:10:08,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 22:10:08,753 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 22:10:08,753 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 22:10:08,753 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 22:10:08,753 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 22:10:08,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 22:10:08,753 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 22:10:08,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 22:10:08,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 22:10:08,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 22:10:08,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 22:10:08,754 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 22:10:08,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 22:10:08,754 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 22:10:08,754 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_f424f557-5a33-43fa-8d57-4bce7fe3440a/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 -> 0f3978068d3e88eb2e8d08ee6f85f2ba09bbc729 [2019-12-01 22:10:08,857 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 22:10:08,865 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 22:10:08,868 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 22:10:08,869 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 22:10:08,869 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 22:10:08,870 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f424f557-5a33-43fa-8d57-4bce7fe3440a/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product42.cil.c [2019-12-01 22:10:08,910 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f424f557-5a33-43fa-8d57-4bce7fe3440a/bin/ukojak/data/ee37faba5/7d62f5690953404c8e537a2cb7982fcf/FLAG362ef5cff [2019-12-01 22:10:09,358 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 22:10:09,358 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f424f557-5a33-43fa-8d57-4bce7fe3440a/sv-benchmarks/c/product-lines/minepump_spec1_product42.cil.c [2019-12-01 22:10:09,367 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f424f557-5a33-43fa-8d57-4bce7fe3440a/bin/ukojak/data/ee37faba5/7d62f5690953404c8e537a2cb7982fcf/FLAG362ef5cff [2019-12-01 22:10:09,706 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f424f557-5a33-43fa-8d57-4bce7fe3440a/bin/ukojak/data/ee37faba5/7d62f5690953404c8e537a2cb7982fcf [2019-12-01 22:10:09,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 22:10:09,713 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 22:10:09,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 22:10:09,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 22:10:09,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 22:10:09,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:10:09" (1/1) ... [2019-12-01 22:10:09,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48a91d15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:10:09, skipping insertion in model container [2019-12-01 22:10:09,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:10:09" (1/1) ... [2019-12-01 22:10:09,728 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 22:10:09,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 22:10:09,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 22:10:09,980 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 22:10:10,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 22:10:10,054 INFO L208 MainTranslator]: Completed translation [2019-12-01 22:10:10,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:10:10 WrapperNode [2019-12-01 22:10:10,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 22:10:10,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 22:10:10,055 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 22:10:10,055 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 22:10:10,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:10:10" (1/1) ... [2019-12-01 22:10:10,072 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:10:10" (1/1) ... [2019-12-01 22:10:10,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 22:10:10,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 22:10:10,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 22:10:10,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 22:10:10,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:10:10" (1/1) ... [2019-12-01 22:10:10,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:10:10" (1/1) ... [2019-12-01 22:10:10,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:10:10" (1/1) ... [2019-12-01 22:10:10,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:10:10" (1/1) ... [2019-12-01 22:10:10,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:10:10" (1/1) ... [2019-12-01 22:10:10,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:10:10" (1/1) ... [2019-12-01 22:10:10,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:10:10" (1/1) ... [2019-12-01 22:10:10,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 22:10:10,116 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 22:10:10,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 22:10:10,116 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 22:10:10,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:10:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f424f557-5a33-43fa-8d57-4bce7fe3440a/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 22:10:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 22:10:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-12-01 22:10:10,159 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-12-01 22:10:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-12-01 22:10:10,159 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-12-01 22:10:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-12-01 22:10:10,159 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-12-01 22:10:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-12-01 22:10:10,159 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-12-01 22:10:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-12-01 22:10:10,159 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-12-01 22:10:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-01 22:10:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-12-01 22:10:10,160 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-12-01 22:10:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 22:10:10,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 22:10:10,711 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 22:10:10,712 INFO L287 CfgBuilder]: Removed 40 assume(true) statements. [2019-12-01 22:10:10,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:10:10 BoogieIcfgContainer [2019-12-01 22:10:10,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 22:10:10,713 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 22:10:10,713 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 22:10:10,719 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 22:10:10,720 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:10:10" (1/1) ... [2019-12-01 22:10:10,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 22:10:10,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:10,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2019-12-01 22:10:10,751 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2019-12-01 22:10:10,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 22:10:10,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:10,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:10:10,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:10,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2019-12-01 22:10:10,914 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2019-12-01 22:10:10,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 22:10:10,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:10,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:10,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:10:10,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:10,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2019-12-01 22:10:10,990 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2019-12-01 22:10:10,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 22:10:10,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:11,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:10:11,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:11,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2019-12-01 22:10:11,206 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2019-12-01 22:10:11,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 22:10:11,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:11,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:10:11,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:11,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 64 states and 91 transitions. [2019-12-01 22:10:11,263 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2019-12-01 22:10:11,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 22:10:11,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:11,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:11,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:10:11,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:11,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 79 states and 123 transitions. [2019-12-01 22:10:11,756 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 123 transitions. [2019-12-01 22:10:11,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-01 22:10:11,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:11,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:10:11,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:11,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 80 states and 124 transitions. [2019-12-01 22:10:11,794 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 124 transitions. [2019-12-01 22:10:11,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-01 22:10:11,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:11,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:10:11,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:11,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 80 states and 123 transitions. [2019-12-01 22:10:11,833 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 123 transitions. [2019-12-01 22:10:11,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 22:10:11,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:11,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:10:11,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:11,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 124 transitions. [2019-12-01 22:10:11,876 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 124 transitions. [2019-12-01 22:10:11,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 22:10:11,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:11,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:10:11,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:11,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 85 states and 133 transitions. [2019-12-01 22:10:11,916 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 133 transitions. [2019-12-01 22:10:11,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-01 22:10:11,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:12,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 22:10:12,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:12,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 94 states and 153 transitions. [2019-12-01 22:10:12,282 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 153 transitions. [2019-12-01 22:10:12,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 22:10:12,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:12,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 22:10:12,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:12,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 98 states and 158 transitions. [2019-12-01 22:10:12,460 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 158 transitions. [2019-12-01 22:10:12,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-01 22:10:12,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:12,503 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 22:10:12,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:12,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 104 states and 171 transitions. [2019-12-01 22:10:12,683 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 171 transitions. [2019-12-01 22:10:12,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-01 22:10:12,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:12,702 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 22:10:12,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:12,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 102 states and 167 transitions. [2019-12-01 22:10:12,715 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 167 transitions. [2019-12-01 22:10:12,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-01 22:10:12,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:12,749 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 22:10:12,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:12,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 104 states and 168 transitions. [2019-12-01 22:10:12,862 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 168 transitions. [2019-12-01 22:10:12,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-01 22:10:12,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:12,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:13,105 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 22:10:14,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:14,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 119 states and 218 transitions. [2019-12-01 22:10:14,293 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 218 transitions. [2019-12-01 22:10:14,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-01 22:10:14,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:14,312 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 22:10:14,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:14,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 121 states and 223 transitions. [2019-12-01 22:10:14,527 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 223 transitions. [2019-12-01 22:10:14,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 22:10:14,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:14,692 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 22:10:15,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:15,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 123 states and 227 transitions. [2019-12-01 22:10:15,230 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 227 transitions. [2019-12-01 22:10:15,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 22:10:15,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:15,248 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 22:10:15,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:15,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 125 states and 231 transitions. [2019-12-01 22:10:15,474 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 231 transitions. [2019-12-01 22:10:15,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-01 22:10:15,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:15,543 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 22:10:16,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:16,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 131 states and 260 transitions. [2019-12-01 22:10:16,431 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 260 transitions. [2019-12-01 22:10:16,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-01 22:10:16,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:16,452 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 22:10:16,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:16,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 133 states and 269 transitions. [2019-12-01 22:10:16,635 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 269 transitions. [2019-12-01 22:10:16,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-01 22:10:16,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:16,652 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 22:10:16,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:16,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 135 states and 272 transitions. [2019-12-01 22:10:16,836 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 272 transitions. [2019-12-01 22:10:16,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 22:10:16,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:16,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:16,855 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 22:10:18,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:18,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 145 states and 294 transitions. [2019-12-01 22:10:18,037 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 294 transitions. [2019-12-01 22:10:18,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 22:10:18,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:18,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:18,056 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 22:10:18,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:18,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 147 states and 299 transitions. [2019-12-01 22:10:18,277 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 299 transitions. [2019-12-01 22:10:18,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 22:10:18,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:18,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:18,300 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-01 22:10:18,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:18,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 148 states and 300 transitions. [2019-12-01 22:10:18,311 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 300 transitions. [2019-12-01 22:10:18,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 22:10:18,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:18,333 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 22:10:19,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:19,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 156 states and 321 transitions. [2019-12-01 22:10:19,821 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 321 transitions. [2019-12-01 22:10:19,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 22:10:19,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:19,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:19,847 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 22:10:20,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:20,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 158 states and 325 transitions. [2019-12-01 22:10:20,079 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 325 transitions. [2019-12-01 22:10:20,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 22:10:20,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:20,098 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 22:10:20,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:20,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 159 states and 326 transitions. [2019-12-01 22:10:20,112 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 326 transitions. [2019-12-01 22:10:20,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 22:10:20,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:20,129 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 22:10:20,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:20,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 159 states and 325 transitions. [2019-12-01 22:10:20,140 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 325 transitions. [2019-12-01 22:10:20,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 22:10:20,141 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:20,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:20,368 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 22:10:22,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:22,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 173 states and 348 transitions. [2019-12-01 22:10:22,674 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 348 transitions. [2019-12-01 22:10:22,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 22:10:22,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:22,706 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 22:10:22,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:22,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 175 states and 349 transitions. [2019-12-01 22:10:22,959 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 349 transitions. [2019-12-01 22:10:22,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 22:10:22,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:23,062 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 22:10:23,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:23,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 175 states and 341 transitions. [2019-12-01 22:10:23,640 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 341 transitions. [2019-12-01 22:10:23,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 22:10:23,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:23,664 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 22:10:23,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:23,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 176 states and 342 transitions. [2019-12-01 22:10:23,678 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 342 transitions. [2019-12-01 22:10:23,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-01 22:10:23,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:23,701 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 22:10:23,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:23,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 181 states and 352 transitions. [2019-12-01 22:10:23,955 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 352 transitions. [2019-12-01 22:10:23,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-01 22:10:23,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:23,976 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 22:10:24,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:24,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 183 states and 355 transitions. [2019-12-01 22:10:24,263 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 355 transitions. [2019-12-01 22:10:24,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 22:10:24,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:24,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:24,278 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 22:10:24,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:24,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 185 states and 357 transitions. [2019-12-01 22:10:24,299 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 357 transitions. [2019-12-01 22:10:24,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 22:10:24,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:24,320 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 22:10:24,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:24,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 186 states and 358 transitions. [2019-12-01 22:10:24,338 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 358 transitions. [2019-12-01 22:10:24,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 22:10:24,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:24,445 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 22:10:25,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:25,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 186 states and 357 transitions. [2019-12-01 22:10:25,437 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 357 transitions. [2019-12-01 22:10:25,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 22:10:25,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:25,456 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 22:10:25,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:25,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 186 states and 357 transitions. [2019-12-01 22:10:25,468 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 357 transitions. [2019-12-01 22:10:25,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 22:10:25,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:25,486 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 22:10:25,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:25,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 186 states and 357 transitions. [2019-12-01 22:10:25,496 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 357 transitions. [2019-12-01 22:10:25,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 22:10:25,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:25,514 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 22:10:25,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:25,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 186 states and 357 transitions. [2019-12-01 22:10:25,524 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 357 transitions. [2019-12-01 22:10:25,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 22:10:25,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:25,542 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 22:10:25,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:25,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 186 states and 357 transitions. [2019-12-01 22:10:25,552 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 357 transitions. [2019-12-01 22:10:25,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 22:10:25,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:25,569 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 22:10:25,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:25,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 186 states and 357 transitions. [2019-12-01 22:10:25,579 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 357 transitions. [2019-12-01 22:10:25,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 22:10:25,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:25,597 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 22:10:25,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:25,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 186 states and 357 transitions. [2019-12-01 22:10:25,608 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 357 transitions. [2019-12-01 22:10:25,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 22:10:25,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:25,631 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 22:10:25,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:25,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 186 states and 357 transitions. [2019-12-01 22:10:25,640 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 357 transitions. [2019-12-01 22:10:25,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 22:10:25,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:25,658 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 22:10:25,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:25,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 186 states and 357 transitions. [2019-12-01 22:10:25,668 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 357 transitions. [2019-12-01 22:10:25,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 22:10:25,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:25,685 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 22:10:25,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:25,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 186 states and 357 transitions. [2019-12-01 22:10:25,695 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 357 transitions. [2019-12-01 22:10:25,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 22:10:25,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:25,712 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 22:10:25,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:25,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 186 states and 357 transitions. [2019-12-01 22:10:25,721 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 357 transitions. [2019-12-01 22:10:25,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 22:10:25,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:25,738 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 22:10:25,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:25,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 186 states and 357 transitions. [2019-12-01 22:10:25,748 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 357 transitions. [2019-12-01 22:10:25,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 22:10:25,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:25,765 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 22:10:25,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:25,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 186 states and 357 transitions. [2019-12-01 22:10:25,777 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 357 transitions. [2019-12-01 22:10:25,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 22:10:25,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:10:26,439 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 22:10:33,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:10:33,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 199 states and 388 transitions. [2019-12-01 22:10:33,176 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 388 transitions. [2019-12-01 22:10:33,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-01 22:10:33,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:10:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 22:10:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 22:10:33,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 22:10:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 22:10:33,425 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 51 iterations. [2019-12-01 22:10:33,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 10:10:33 ImpRootNode [2019-12-01 22:10:33,555 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 22:10:33,555 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 22:10:33,555 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 22:10:33,556 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 22:10:33,556 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:10:10" (3/4) ... [2019-12-01 22:10:33,558 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-01 22:10:33,630 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f424f557-5a33-43fa-8d57-4bce7fe3440a/bin/ukojak/witness.graphml [2019-12-01 22:10:33,630 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 22:10:33,631 INFO L168 Benchmark]: Toolchain (without parser) took 23919.62 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 445.6 MB). Free memory was 943.5 MB in the beginning and 833.2 MB in the end (delta: 110.3 MB). Peak memory consumption was 556.0 MB. Max. memory is 11.5 GB. [2019-12-01 22:10:33,632 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 22:10:33,632 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -136.9 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2019-12-01 22:10:33,632 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2019-12-01 22:10:33,633 INFO L168 Benchmark]: Boogie Preprocessor took 23.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2019-12-01 22:10:33,633 INFO L168 Benchmark]: RCFGBuilder took 596.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.8 MB). Peak memory consumption was 73.8 MB. Max. memory is 11.5 GB. [2019-12-01 22:10:33,633 INFO L168 Benchmark]: CodeCheck took 22842.32 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 347.1 MB). Free memory was 1.0 GB in the beginning and 849.8 MB in the end (delta: 151.4 MB). Peak memory consumption was 498.5 MB. Max. memory is 11.5 GB. [2019-12-01 22:10:33,633 INFO L168 Benchmark]: Witness Printer took 74.68 ms. Allocated memory is still 1.5 GB. Free memory was 849.8 MB in the beginning and 833.2 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. [2019-12-01 22:10:33,635 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, 48 locations, 1 error locations. Result: UNSAFE, OverallTime: 22.6s, OverallIterations: 51, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2069037076 SDtfs, 727826480 SDslu, -2131886002 SDs, 0 SdLazy, 1121599728 SolverSat, -594378682 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 29.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24064 GetRequests, 23541 SyntacticMatches, 156 SemanticMatches, 367 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58769 ImplicationChecksByTransitivity, 19.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 2148 NumberOfCodeBlocks, 2148 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 2046 ConstructedInterpolants, 0 QuantifiedInterpolants, 238825 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 50 InterpolantComputations, 17 PerfectInterpolantSequences, 607/756 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 764]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L581] int pumpRunning = 0; [L582] int systemActive = 1; [L833] int cleanupTimeShifts = 4; [L906] int retValue_acc ; [L907] int tmp ; [L824] int retValue_acc ; [L827] retValue_acc = 1 [L828] return (retValue_acc); [L913] tmp = valid_product() [L915] COND TRUE \read(tmp) [L511] int splverifierCounter ; [L512] int tmp ; [L513] int tmp___0 ; [L514] int tmp___1 ; [L515] int tmp___2 ; [L518] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L520] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L522] COND TRUE splverifierCounter < 4 [L528] tmp = __VERIFIER_nondet_int() [L530] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L532] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L431] COND TRUE waterLevel < 2 [L432] waterLevel = waterLevel + 1 [L532] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L538] tmp___0 = __VERIFIER_nondet_int() [L540] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L548] tmp___2 = __VERIFIER_nondet_int() [L550] COND TRUE \read(tmp___2) [L755] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L565] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L589] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L596] COND TRUE \read(systemActive) [L618] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L621] COND TRUE ! pumpRunning [L733] int retValue_acc ; [L734] int tmp ; [L735] int tmp___0 ; [L493] int retValue_acc ; [L496] COND FALSE !(waterLevel < 2) [L500] retValue_acc = 0 [L501] return (retValue_acc); [L739] tmp = isHighWaterSensorDry() [L741] COND FALSE !(\read(tmp)) [L744] tmp___0 = 1 [L746] retValue_acc = tmp___0 [L747] return (retValue_acc); [L623] tmp = isHighWaterLevel() [L625] COND TRUE \read(tmp) [L652] int tmp ; [L677] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L681] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); [L681] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L681] retValue_acc = isMethaneLevelCritical() [L683] return (retValue_acc); [L656] tmp = isMethaneAlarm() [L658] COND FALSE !(\read(tmp)) [L646] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L770] int tmp ; [L771] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L775] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); [L775] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L775] tmp = isMethaneLevelCritical() [L777] COND FALSE !(\read(tmp)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L565] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L520] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L522] COND TRUE splverifierCounter < 4 [L528] tmp = __VERIFIER_nondet_int() [L530] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L538] tmp___0 = __VERIFIER_nondet_int() [L540] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L542] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L443] COND FALSE !(\read(methaneLevelCritical)) [L446] methaneLevelCritical = 1 [L542] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L548] tmp___2 = __VERIFIER_nondet_int() [L550] COND FALSE !(\read(tmp___2)) [L556] tmp___1 = __VERIFIER_nondet_int() [L558] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L565] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L589] COND TRUE \read(pumpRunning) [L419] COND TRUE waterLevel > 0 [L420] waterLevel = waterLevel - 1 VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L596] COND TRUE \read(systemActive) [L618] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L621] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L636] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L770] int tmp ; [L771] int tmp___0 ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L775] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); [L775] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L775] tmp = isMethaneLevelCritical() [L777] COND TRUE \read(tmp) [L688] int retValue_acc ; [L691] retValue_acc = pumpRunning [L692] return (retValue_acc); [L779] tmp___0 = isPumpRunning() [L781] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L764] __VERIFIER_error() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 340.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -136.9 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 596.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.8 MB). Peak memory consumption was 73.8 MB. Max. memory is 11.5 GB. * CodeCheck took 22842.32 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 347.1 MB). Free memory was 1.0 GB in the beginning and 849.8 MB in the end (delta: 151.4 MB). Peak memory consumption was 498.5 MB. Max. memory is 11.5 GB. * Witness Printer took 74.68 ms. Allocated memory is still 1.5 GB. Free memory was 849.8 MB in the beginning and 833.2 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...