./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product27.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_8f7e06f0-9c86-45ab-8d4c-ad1a0fdb89c3/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8f7e06f0-9c86-45ab-8d4c-ad1a0fdb89c3/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8f7e06f0-9c86-45ab-8d4c-ad1a0fdb89c3/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8f7e06f0-9c86-45ab-8d4c-ad1a0fdb89c3/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8f7e06f0-9c86-45ab-8d4c-ad1a0fdb89c3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8f7e06f0-9c86-45ab-8d4c-ad1a0fdb89c3/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 84bee68029cd4e9781f81f2ec079192bad30236f ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-02 03:07:48,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 03:07:48,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 03:07:48,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 03:07:48,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 03:07:48,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 03:07:48,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 03:07:48,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 03:07:48,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 03:07:48,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 03:07:48,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 03:07:48,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 03:07:48,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 03:07:48,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 03:07:48,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 03:07:48,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 03:07:48,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 03:07:48,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 03:07:48,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 03:07:48,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 03:07:48,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 03:07:48,074 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 03:07:48,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 03:07:48,075 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 03:07:48,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 03:07:48,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 03:07:48,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 03:07:48,078 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 03:07:48,078 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 03:07:48,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 03:07:48,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 03:07:48,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 03:07:48,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 03:07:48,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 03:07:48,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 03:07:48,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 03:07:48,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 03:07:48,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 03:07:48,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 03:07:48,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 03:07:48,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 03:07:48,083 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8f7e06f0-9c86-45ab-8d4c-ad1a0fdb89c3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-02 03:07:48,092 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 03:07:48,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 03:07:48,093 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 03:07:48,093 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 03:07:48,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 03:07:48,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 03:07:48,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 03:07:48,094 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 03:07:48,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 03:07:48,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 03:07:48,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 03:07:48,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 03:07:48,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 03:07:48,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 03:07:48,095 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 03:07:48,095 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 03:07:48,095 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 03:07:48,095 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 03:07:48,095 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 03:07:48,095 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 03:07:48,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 03:07:48,096 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 03:07:48,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 03:07:48,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 03:07:48,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 03:07:48,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 03:07:48,096 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 03:07:48,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 03:07:48,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 03:07:48,097 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_8f7e06f0-9c86-45ab-8d4c-ad1a0fdb89c3/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 -> 84bee68029cd4e9781f81f2ec079192bad30236f [2019-12-02 03:07:48,195 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 03:07:48,205 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 03:07:48,208 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 03:07:48,209 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 03:07:48,210 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 03:07:48,210 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8f7e06f0-9c86-45ab-8d4c-ad1a0fdb89c3/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2019-12-02 03:07:48,258 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8f7e06f0-9c86-45ab-8d4c-ad1a0fdb89c3/bin/ukojak/data/81c4f51e0/19996b9432ef4c90ba95ad3316923e09/FLAGa03c1e6de [2019-12-02 03:07:48,726 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 03:07:48,727 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8f7e06f0-9c86-45ab-8d4c-ad1a0fdb89c3/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2019-12-02 03:07:48,735 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8f7e06f0-9c86-45ab-8d4c-ad1a0fdb89c3/bin/ukojak/data/81c4f51e0/19996b9432ef4c90ba95ad3316923e09/FLAGa03c1e6de [2019-12-02 03:07:48,744 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8f7e06f0-9c86-45ab-8d4c-ad1a0fdb89c3/bin/ukojak/data/81c4f51e0/19996b9432ef4c90ba95ad3316923e09 [2019-12-02 03:07:48,746 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 03:07:48,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 03:07:48,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 03:07:48,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 03:07:48,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 03:07:48,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:07:48" (1/1) ... [2019-12-02 03:07:48,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b211215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:48, skipping insertion in model container [2019-12-02 03:07:48,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:07:48" (1/1) ... [2019-12-02 03:07:48,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 03:07:48,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 03:07:48,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 03:07:48,993 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 03:07:49,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 03:07:49,062 INFO L208 MainTranslator]: Completed translation [2019-12-02 03:07:49,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:49 WrapperNode [2019-12-02 03:07:49,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 03:07:49,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 03:07:49,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 03:07:49,063 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 03:07:49,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:49" (1/1) ... [2019-12-02 03:07:49,081 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:49" (1/1) ... [2019-12-02 03:07:49,101 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 03:07:49,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 03:07:49,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 03:07:49,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 03:07:49,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:49" (1/1) ... [2019-12-02 03:07:49,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:49" (1/1) ... [2019-12-02 03:07:49,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:49" (1/1) ... [2019-12-02 03:07:49,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:49" (1/1) ... [2019-12-02 03:07:49,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:49" (1/1) ... [2019-12-02 03:07:49,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:49" (1/1) ... [2019-12-02 03:07:49,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:49" (1/1) ... [2019-12-02 03:07:49,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 03:07:49,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 03:07:49,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 03:07:49,124 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 03:07:49,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f7e06f0-9c86-45ab-8d4c-ad1a0fdb89c3/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 [2019-12-02 03:07:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-02 03:07:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-12-02 03:07:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-12-02 03:07:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-12-02 03:07:49,167 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-12-02 03:07:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-12-02 03:07:49,167 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-12-02 03:07:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-12-02 03:07:49,167 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-12-02 03:07:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-12-02 03:07:49,167 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-12-02 03:07:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-02 03:07:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-12-02 03:07:49,167 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-12-02 03:07:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 03:07:49,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 03:07:49,748 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 03:07:49,749 INFO L287 CfgBuilder]: Removed 36 assume(true) statements. [2019-12-02 03:07:49,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:07:49 BoogieIcfgContainer [2019-12-02 03:07:49,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 03:07:49,750 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 03:07:49,750 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 03:07:49,757 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 03:07:49,757 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:07:49" (1/1) ... [2019-12-02 03:07:49,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 03:07:49,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:49,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2019-12-02 03:07:49,791 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2019-12-02 03:07:49,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 03:07:49,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:49,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:07:49,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:49,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2019-12-02 03:07:49,975 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2019-12-02 03:07:49,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 03:07:49,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:50,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:07:50,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:50,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2019-12-02 03:07:50,046 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2019-12-02 03:07:50,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-02 03:07:50,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:50,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:07:50,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:50,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2019-12-02 03:07:50,202 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2019-12-02 03:07:50,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 03:07:50,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:50,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:07:50,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:50,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2019-12-02 03:07:50,251 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2019-12-02 03:07:50,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-02 03:07:50,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:50,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:50,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:07:50,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:50,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 64 states and 91 transitions. [2019-12-02 03:07:50,292 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2019-12-02 03:07:50,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-02 03:07:50,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:50,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:07:50,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:50,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 65 states and 92 transitions. [2019-12-02 03:07:50,333 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 92 transitions. [2019-12-02 03:07:50,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-02 03:07:50,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:50,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:07:50,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:50,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 79 states and 125 transitions. [2019-12-02 03:07:50,773 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 125 transitions. [2019-12-02 03:07:50,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-02 03:07:50,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:50,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:07:51,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:51,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 88 states and 147 transitions. [2019-12-02 03:07:51,147 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 147 transitions. [2019-12-02 03:07:51,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-02 03:07:51,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:51,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:07:51,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:51,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 90 states and 148 transitions. [2019-12-02 03:07:51,266 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 148 transitions. [2019-12-02 03:07:51,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-02 03:07:51,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:51,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:51,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:07:51,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:51,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 91 states and 149 transitions. [2019-12-02 03:07:51,342 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 149 transitions. [2019-12-02 03:07:51,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-02 03:07:51,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:51,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:51,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:07:51,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:51,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 100 states and 166 transitions. [2019-12-02 03:07:51,503 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 166 transitions. [2019-12-02 03:07:51,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-02 03:07:51,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:51,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:07:51,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:51,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 101 states and 167 transitions. [2019-12-02 03:07:51,533 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 167 transitions. [2019-12-02 03:07:51,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-02 03:07:51,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:51,578 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:07:51,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:51,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 108 states and 183 transitions. [2019-12-02 03:07:51,767 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 183 transitions. [2019-12-02 03:07:51,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-02 03:07:51,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:51,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:51,791 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:07:51,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:51,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 109 states and 184 transitions. [2019-12-02 03:07:51,804 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 184 transitions. [2019-12-02 03:07:51,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-02 03:07:51,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:51,830 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:07:51,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:51,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 110 states and 187 transitions. [2019-12-02 03:07:51,939 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 187 transitions. [2019-12-02 03:07:51,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-02 03:07:51,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:51,957 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:07:51,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:51,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 111 states and 190 transitions. [2019-12-02 03:07:51,974 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 190 transitions. [2019-12-02 03:07:51,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-02 03:07:51,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:51,995 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:07:52,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:52,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 114 states and 198 transitions. [2019-12-02 03:07:52,175 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 198 transitions. [2019-12-02 03:07:52,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-02 03:07:52,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:52,198 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:07:52,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:52,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 119 states and 206 transitions. [2019-12-02 03:07:52,320 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 206 transitions. [2019-12-02 03:07:52,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-02 03:07:52,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:52,337 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:07:52,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:52,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 120 states and 206 transitions. [2019-12-02 03:07:52,347 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 206 transitions. [2019-12-02 03:07:52,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-02 03:07:52,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:52,365 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 03:07:52,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:52,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 122 states and 207 transitions. [2019-12-02 03:07:52,492 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 207 transitions. [2019-12-02 03:07:52,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-02 03:07:52,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:52,547 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 03:07:53,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:53,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 133 states and 247 transitions. [2019-12-02 03:07:53,054 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 247 transitions. [2019-12-02 03:07:53,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-02 03:07:53,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:53,080 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 03:07:53,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:53,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 137 states and 254 transitions. [2019-12-02 03:07:53,460 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 254 transitions. [2019-12-02 03:07:53,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-02 03:07:53,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:53,485 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-02 03:07:53,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:53,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 138 states and 254 transitions. [2019-12-02 03:07:53,493 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 254 transitions. [2019-12-02 03:07:53,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-02 03:07:53,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:53,714 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:07:55,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:55,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 146 states and 277 transitions. [2019-12-02 03:07:55,098 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 277 transitions. [2019-12-02 03:07:55,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-02 03:07:55,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:55,116 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 03:07:55,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:55,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 147 states and 278 transitions. [2019-12-02 03:07:55,126 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 278 transitions. [2019-12-02 03:07:55,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-02 03:07:55,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:55,144 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 03:07:55,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:55,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 148 states and 279 transitions. [2019-12-02 03:07:55,154 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 279 transitions. [2019-12-02 03:07:55,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-02 03:07:55,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:55,170 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 03:07:55,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:55,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 149 states and 276 transitions. [2019-12-02 03:07:55,365 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 276 transitions. [2019-12-02 03:07:55,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-02 03:07:55,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:55,383 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 03:07:55,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:55,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 152 states and 276 transitions. [2019-12-02 03:07:55,856 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 276 transitions. [2019-12-02 03:07:55,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-02 03:07:55,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:55,873 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 03:07:56,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:56,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 154 states and 278 transitions. [2019-12-02 03:07:56,050 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 278 transitions. [2019-12-02 03:07:56,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-02 03:07:56,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:56,066 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 03:07:56,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:56,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 125 states and 212 transitions. [2019-12-02 03:07:56,245 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 212 transitions. [2019-12-02 03:07:56,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-02 03:07:56,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:56,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:56,263 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-02 03:07:56,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:56,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 129 states and 219 transitions. [2019-12-02 03:07:56,280 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 219 transitions. [2019-12-02 03:07:56,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-02 03:07:56,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:56,294 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-02 03:07:56,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:56,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 130 states and 219 transitions. [2019-12-02 03:07:56,307 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 219 transitions. [2019-12-02 03:07:56,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-02 03:07:56,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:56,321 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-02 03:07:56,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:56,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 116 states and 191 transitions. [2019-12-02 03:07:56,336 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 191 transitions. [2019-12-02 03:07:56,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-02 03:07:56,337 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:56,356 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-02 03:07:56,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:56,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 114 states and 187 transitions. [2019-12-02 03:07:56,373 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 187 transitions. [2019-12-02 03:07:56,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-02 03:07:56,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:07:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:07:56,387 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-02 03:07:56,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:07:56,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 72 states and 107 transitions. [2019-12-02 03:07:56,404 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 107 transitions. [2019-12-02 03:07:56,405 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-02 03:07:56,405 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2019-12-02 03:07:56,411 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-02 03:07:56,583 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 03:07:56,586 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 03:07:56,587 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 03:07:56,587 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 03:07:56,587 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 03:07:56,587 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 03:07:56,587 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 03:07:56,587 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2019-12-02 03:07:56,590 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 03:07:56,591 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 03:07:56,591 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2019-12-02 03:07:56,591 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 03:07:56,591 INFO L569 CodeCheckObserver]: Invariant with dag size 10 [2019-12-02 03:07:56,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 03:07:56 ImpRootNode [2019-12-02 03:07:56,592 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 03:07:56,593 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 03:07:56,593 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 03:07:56,593 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 03:07:56,593 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:07:49" (3/4) ... [2019-12-02 03:07:56,596 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-02 03:07:56,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-12-02 03:07:56,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-12-02 03:07:56,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-12-02 03:07:56,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-12-02 03:07:56,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-12-02 03:07:56,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-12-02 03:07:56,607 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2019-12-02 03:07:56,607 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-12-02 03:07:56,607 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-02 03:07:56,608 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-02 03:07:56,608 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-02 03:07:56,609 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-02 03:07:56,609 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-02 03:07:56,629 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) [2019-12-02 03:07:56,630 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) || !(pumpRunning == 0) [2019-12-02 03:07:56,661 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8f7e06f0-9c86-45ab-8d4c-ad1a0fdb89c3/bin/ukojak/witness.graphml [2019-12-02 03:07:56,662 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 03:07:56,663 INFO L168 Benchmark]: Toolchain (without parser) took 7915.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 195.0 MB). Free memory was 945.1 MB in the beginning and 905.1 MB in the end (delta: 40.0 MB). Peak memory consumption was 235.1 MB. Max. memory is 11.5 GB. [2019-12-02 03:07:56,663 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 03:07:56,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -135.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-02 03:07:56,664 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.45 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 03:07:56,664 INFO L168 Benchmark]: Boogie Preprocessor took 22.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-02 03:07:56,664 INFO L168 Benchmark]: RCFGBuilder took 625.36 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: 72.4 MB). Peak memory consumption was 72.4 MB. Max. memory is 11.5 GB. [2019-12-02 03:07:56,665 INFO L168 Benchmark]: CodeCheck took 6842.59 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 98.6 MB). Free memory was 1.0 GB in the beginning and 915.2 MB in the end (delta: 87.5 MB). Peak memory consumption was 186.1 MB. Max. memory is 11.5 GB. [2019-12-02 03:07:56,665 INFO L168 Benchmark]: Witness Printer took 68.90 ms. Allocated memory is still 1.2 GB. Free memory was 915.2 MB in the beginning and 905.1 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. [2019-12-02 03:07:56,666 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 50 locations, 1 error locations. Result: SAFE, OverallTime: 6.6s, OverallIterations: 36, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1822205300 SDtfs, 500835932 SDslu, 338020300 SDs, 0 SdLazy, -1215627748 SolverSat, -1650153012 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11076 GetRequests, 10739 SyntacticMatches, 159 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13416 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1083 NumberOfCodeBlocks, 1083 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1048 ConstructedInterpolants, 0 QuantifiedInterpolants, 80928 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 26 PerfectInterpolantSequences, 281/315 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: 148]: 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: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) || !(pumpRunning == 0) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (tmp == systemActive && 1 == waterLevel) && pumpRunning == 0 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 315.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -135.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.45 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 625.36 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: 72.4 MB). Peak memory consumption was 72.4 MB. Max. memory is 11.5 GB. * CodeCheck took 6842.59 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 98.6 MB). Free memory was 1.0 GB in the beginning and 915.2 MB in the end (delta: 87.5 MB). Peak memory consumption was 186.1 MB. Max. memory is 11.5 GB. * Witness Printer took 68.90 ms. Allocated memory is still 1.2 GB. Free memory was 915.2 MB in the beginning and 905.1 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...