./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product05_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d2deb9dd-e382-408e-82ed-cf924a00a885/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d2deb9dd-e382-408e-82ed-cf924a00a885/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d2deb9dd-e382-408e-82ed-cf924a00a885/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d2deb9dd-e382-408e-82ed-cf924a00a885/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product05_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d2deb9dd-e382-408e-82ed-cf924a00a885/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d2deb9dd-e382-408e-82ed-cf924a00a885/bin-2019/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 94f4a1e9ea07f337cfe109f71c75c9357897e0ec .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 09:04:50,496 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:04:50,497 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:04:50,503 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:04:50,503 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:04:50,503 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:04:50,504 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:04:50,505 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:04:50,506 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:04:50,506 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:04:50,507 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:04:50,507 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:04:50,508 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:04:50,508 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:04:50,509 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:04:50,509 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:04:50,509 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:04:50,510 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:04:50,511 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:04:50,512 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:04:50,512 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:04:50,513 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:04:50,514 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:04:50,514 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:04:50,514 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:04:50,515 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:04:50,515 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:04:50,516 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:04:50,516 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:04:50,517 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:04:50,517 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:04:50,517 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:04:50,517 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:04:50,517 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:04:50,518 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:04:50,518 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:04:50,519 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d2deb9dd-e382-408e-82ed-cf924a00a885/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 09:04:50,526 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:04:50,526 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:04:50,527 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 09:04:50,527 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 09:04:50,527 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 09:04:50,527 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 09:04:50,527 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:04:50,527 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 09:04:50,527 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 09:04:50,527 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 09:04:50,528 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:04:50,528 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 09:04:50,528 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 09:04:50,528 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 09:04:50,528 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 09:04:50,528 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 09:04:50,528 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 09:04:50,528 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 09:04:50,528 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 09:04:50,528 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 09:04:50,528 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:04:50,529 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 09:04:50,529 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 09:04:50,529 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:04:50,529 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 09:04:50,529 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 09:04:50,529 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 09:04:50,529 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 09:04:50,529 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 09:04:50,529 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_d2deb9dd-e382-408e-82ed-cf924a00a885/bin-2019/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 -> 94f4a1e9ea07f337cfe109f71c75c9357897e0ec [2018-12-09 09:04:50,547 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:04:50,554 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:04:50,556 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:04:50,557 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:04:50,557 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:04:50,558 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d2deb9dd-e382-408e-82ed-cf924a00a885/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product05_true-unreach-call_false-termination.cil.c [2018-12-09 09:04:50,596 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d2deb9dd-e382-408e-82ed-cf924a00a885/bin-2019/ukojak/data/99630824a/0e0152bada3a4ca6be4f7bbad503515c/FLAG8531f1306 [2018-12-09 09:04:51,028 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:04:51,028 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d2deb9dd-e382-408e-82ed-cf924a00a885/sv-benchmarks/c/product-lines/minepump_spec1_product05_true-unreach-call_false-termination.cil.c [2018-12-09 09:04:51,034 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d2deb9dd-e382-408e-82ed-cf924a00a885/bin-2019/ukojak/data/99630824a/0e0152bada3a4ca6be4f7bbad503515c/FLAG8531f1306 [2018-12-09 09:04:51,042 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d2deb9dd-e382-408e-82ed-cf924a00a885/bin-2019/ukojak/data/99630824a/0e0152bada3a4ca6be4f7bbad503515c [2018-12-09 09:04:51,044 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:04:51,045 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:04:51,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:04:51,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:04:51,047 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:04:51,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:04:51" (1/1) ... [2018-12-09 09:04:51,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:51, skipping insertion in model container [2018-12-09 09:04:51,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:04:51" (1/1) ... [2018-12-09 09:04:51,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:04:51,074 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:04:51,215 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:04:51,223 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:04:51,299 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:04:51,313 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:04:51,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:51 WrapperNode [2018-12-09 09:04:51,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:04:51,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:04:51,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:04:51,314 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:04:51,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:51" (1/1) ... [2018-12-09 09:04:51,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:51" (1/1) ... [2018-12-09 09:04:51,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:04:51,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:04:51,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:04:51,346 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:04:51,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:51" (1/1) ... [2018-12-09 09:04:51,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:51" (1/1) ... [2018-12-09 09:04:51,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:51" (1/1) ... [2018-12-09 09:04:51,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:51" (1/1) ... [2018-12-09 09:04:51,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:51" (1/1) ... [2018-12-09 09:04:51,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:51" (1/1) ... [2018-12-09 09:04:51,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:51" (1/1) ... [2018-12-09 09:04:51,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:04:51,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:04:51,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:04:51,364 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:04:51,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d2deb9dd-e382-408e-82ed-cf924a00a885/bin-2019/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 [2018-12-09 09:04:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 09:04:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 09:04:51,402 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 09:04:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 09:04:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 09:04:51,402 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 09:04:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 09:04:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 09:04:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 09:04:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 09:04:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 09:04:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 09:04:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:04:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:04:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 09:04:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 09:04:51,803 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:04:51,804 INFO L280 CfgBuilder]: Removed 32 assue(true) statements. [2018-12-09 09:04:51,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:04:51 BoogieIcfgContainer [2018-12-09 09:04:51,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:04:51,804 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 09:04:51,805 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 09:04:51,814 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 09:04:51,814 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:04:51" (1/1) ... [2018-12-09 09:04:51,823 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:04:51,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:51,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2018-12-09 09:04:51,858 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2018-12-09 09:04:51,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 09:04:51,863 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:51,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:51,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:04:52,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:52,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2018-12-09 09:04:52,001 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2018-12-09 09:04:52,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 09:04:52,001 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:52,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:04:52,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:52,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2018-12-09 09:04:52,075 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2018-12-09 09:04:52,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 09:04:52,076 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:52,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:04:52,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:52,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 59 states and 82 transitions. [2018-12-09 09:04:52,203 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2018-12-09 09:04:52,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 09:04:52,204 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:52,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:04:52,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:52,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 74 states and 112 transitions. [2018-12-09 09:04:52,459 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 112 transitions. [2018-12-09 09:04:52,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 09:04:52,460 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:52,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:04:52,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:52,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 75 states and 113 transitions. [2018-12-09 09:04:52,491 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 113 transitions. [2018-12-09 09:04:52,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 09:04:52,492 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:52,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:52,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:04:52,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:52,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 76 states and 114 transitions. [2018-12-09 09:04:52,525 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 114 transitions. [2018-12-09 09:04:52,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 09:04:52,525 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:52,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 09:04:52,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:52,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 86 states and 135 transitions. [2018-12-09 09:04:52,799 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 135 transitions. [2018-12-09 09:04:52,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 09:04:52,800 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:52,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:04:52,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:52,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 87 states and 136 transitions. [2018-12-09 09:04:52,824 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 136 transitions. [2018-12-09 09:04:52,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 09:04:52,825 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:52,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:04:53,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:53,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 98 states and 156 transitions. [2018-12-09 09:04:53,238 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 156 transitions. [2018-12-09 09:04:53,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 09:04:53,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:53,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 09:04:53,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:53,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 99 states and 157 transitions. [2018-12-09 09:04:53,266 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 157 transitions. [2018-12-09 09:04:53,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 09:04:53,267 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:53,322 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 09:04:53,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:53,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 105 states and 170 transitions. [2018-12-09 09:04:53,482 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 170 transitions. [2018-12-09 09:04:53,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-09 09:04:53,483 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:53,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:53,497 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 09:04:53,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:53,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 103 states and 166 transitions. [2018-12-09 09:04:53,508 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 166 transitions. [2018-12-09 09:04:53,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-09 09:04:53,509 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:53,694 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 09:04:54,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:54,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 110 states and 182 transitions. [2018-12-09 09:04:54,297 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 182 transitions. [2018-12-09 09:04:54,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 09:04:54,298 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:54,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:54,315 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 09:04:54,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:54,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 112 states and 186 transitions. [2018-12-09 09:04:54,449 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 186 transitions. [2018-12-09 09:04:54,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 09:04:54,450 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:54,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:54,463 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 09:04:54,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:54,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 121 states and 204 transitions. [2018-12-09 09:04:54,638 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 204 transitions. [2018-12-09 09:04:54,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 09:04:54,639 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:54,657 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 09:04:54,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:54,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 122 states and 205 transitions. [2018-12-09 09:04:54,667 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 205 transitions. [2018-12-09 09:04:54,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 09:04:54,668 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:54,681 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 09:04:54,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:54,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 123 states and 206 transitions. [2018-12-09 09:04:54,694 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 206 transitions. [2018-12-09 09:04:54,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 09:04:54,695 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:54,754 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 09:04:55,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:55,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 140 states and 257 transitions. [2018-12-09 09:04:55,627 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 257 transitions. [2018-12-09 09:04:55,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 09:04:55,628 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:55,646 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 09:04:55,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:55,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 143 states and 262 transitions. [2018-12-09 09:04:55,660 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 262 transitions. [2018-12-09 09:04:55,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 09:04:55,661 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:55,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:55,686 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 09:04:55,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:55,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 144 states and 263 transitions. [2018-12-09 09:04:55,699 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 263 transitions. [2018-12-09 09:04:55,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 09:04:55,700 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:55,720 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 09:04:56,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:56,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 155 states and 292 transitions. [2018-12-09 09:04:56,598 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 292 transitions. [2018-12-09 09:04:56,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 09:04:56,599 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:56,619 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 09:04:56,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:56,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 156 states and 293 transitions. [2018-12-09 09:04:56,630 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 293 transitions. [2018-12-09 09:04:56,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 09:04:56,630 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:56,643 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 09:04:56,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:56,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 157 states and 294 transitions. [2018-12-09 09:04:56,666 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 294 transitions. [2018-12-09 09:04:56,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 09:04:56,667 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:56,685 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 09:04:56,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:56,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 161 states and 301 transitions. [2018-12-09 09:04:56,868 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 301 transitions. [2018-12-09 09:04:56,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 09:04:56,869 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:56,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:56,984 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 09:04:57,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:57,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 165 states and 309 transitions. [2018-12-09 09:04:57,787 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 309 transitions. [2018-12-09 09:04:57,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 09:04:57,787 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:57,804 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 09:04:57,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:57,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 156 states and 286 transitions. [2018-12-09 09:04:57,961 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 286 transitions. [2018-12-09 09:04:57,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 09:04:57,962 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:57,980 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 09:04:57,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:57,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 154 states and 282 transitions. [2018-12-09 09:04:57,999 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 282 transitions. [2018-12-09 09:04:58,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 09:04:58,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:58,063 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 09:04:58,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:58,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 160 states and 295 transitions. [2018-12-09 09:04:58,526 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 295 transitions. [2018-12-09 09:04:58,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 09:04:58,527 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:58,544 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 09:04:58,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:58,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 160 states and 294 transitions. [2018-12-09 09:04:58,568 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 294 transitions. [2018-12-09 09:04:58,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 09:04:58,569 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:58,591 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 09:04:58,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:58,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 162 states and 297 transitions. [2018-12-09 09:04:58,613 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 297 transitions. [2018-12-09 09:04:58,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 09:04:58,614 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:58,769 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 09:04:59,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:59,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 164 states and 298 transitions. [2018-12-09 09:04:59,004 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 298 transitions. [2018-12-09 09:04:59,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 09:04:59,005 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:59,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:59,017 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 09:04:59,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:59,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 165 states and 299 transitions. [2018-12-09 09:04:59,035 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 299 transitions. [2018-12-09 09:04:59,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 09:04:59,035 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:59,047 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 09:04:59,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:59,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 161 states and 289 transitions. [2018-12-09 09:04:59,066 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 289 transitions. [2018-12-09 09:04:59,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 09:04:59,067 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:59,079 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 09:04:59,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:04:59,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 154 states and 276 transitions. [2018-12-09 09:04:59,096 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 276 transitions. [2018-12-09 09:04:59,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-09 09:04:59,097 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:04:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:59,164 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 30 proven. 17 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 09:05:00,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:05:00,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 165 states and 297 transitions. [2018-12-09 09:05:00,277 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 297 transitions. [2018-12-09 09:05:00,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-09 09:05:00,278 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:05:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:05:00,362 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 30 proven. 17 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 09:05:00,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:05:00,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 166 states and 298 transitions. [2018-12-09 09:05:00,377 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 298 transitions. [2018-12-09 09:05:00,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-09 09:05:00,378 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:05:00,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:05:00,392 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-09 09:05:00,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:05:00,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 162 states and 286 transitions. [2018-12-09 09:05:00,584 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 286 transitions. [2018-12-09 09:05:00,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 09:05:00,585 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:05:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:05:00,599 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-12-09 09:05:00,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:05:00,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 77 states and 108 transitions. [2018-12-09 09:05:00,790 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2018-12-09 09:05:00,790 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 09:05:00,790 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 39 iterations. [2018-12-09 09:05:00,798 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 09:05:00,992 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 09:05:00,994 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-09 09:05:00,996 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 09:05:00,996 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-09 09:05:00,997 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 09:05:00,997 INFO L583 CodeCheckObserver]: Invariant with dag size 12 [2018-12-09 09:05:00,997 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 09:05:00,998 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 09:05:00,998 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 09:05:00,998 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 09:05:00,998 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 09:05:00,998 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 09:05:00,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 09:05:00 ImpRootNode [2018-12-09 09:05:00,998 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 09:05:00,999 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 09:05:00,999 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 09:05:00,999 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 09:05:00,999 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:04:51" (3/4) ... [2018-12-09 09:05:01,001 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 09:05:01,005 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 09:05:01,005 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 09:05:01,005 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 09:05:01,005 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 09:05:01,005 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 09:05:01,005 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 09:05:01,009 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-12-09 09:05:01,009 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 09:05:01,009 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 09:05:01,009 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 09:05:01,009 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 09:05:01,010 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 09:05:01,026 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive [2018-12-09 09:05:01,027 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 0 || tmp == methaneLevelCritical) || !(0 == pumpRunning)) || !(pumpRunning == \old(pumpRunning)) [2018-12-09 09:05:01,043 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d2deb9dd-e382-408e-82ed-cf924a00a885/bin-2019/ukojak/witness.graphml [2018-12-09 09:05:01,043 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 09:05:01,044 INFO L168 Benchmark]: Toolchain (without parser) took 9999.34 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 464.5 MB). Free memory was 961.4 MB in the beginning and 1.2 GB in the end (delta: -233.7 MB). Peak memory consumption was 230.8 MB. Max. memory is 11.5 GB. [2018-12-09 09:05:01,044 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:05:01,045 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -185.6 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-12-09 09:05:01,045 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:05:01,045 INFO L168 Benchmark]: Boogie Preprocessor took 17.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:05:01,045 INFO L168 Benchmark]: RCFGBuilder took 440.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 67.7 MB). Peak memory consumption was 67.7 MB. Max. memory is 11.5 GB. [2018-12-09 09:05:01,045 INFO L168 Benchmark]: CodeCheck took 9193.88 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 307.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -121.2 MB). Peak memory consumption was 186.5 MB. Max. memory is 11.5 GB. [2018-12-09 09:05:01,046 INFO L168 Benchmark]: Witness Printer took 44.57 ms. Allocated memory is still 1.5 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:05:01,047 INFO L336 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, 64 locations, 1 error locations. SAFE Result, 8.9s OverallTime, 39 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 573907152 SDtfs, -1581338846 SDslu, -1148449976 SDs, 0 SdLazy, 542645254 SolverSat, 1344427348 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18272 GetRequests, 17858 SyntacticMatches, 168 SemanticMatches, 246 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26317 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1823 NumberOfCodeBlocks, 1823 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 1785 ConstructedInterpolants, 0 QuantifiedInterpolants, 199303 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 38 InterpolantComputations, 23 PerfectInterpolantSequences, 860/961 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 269]: 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: 733]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: ((tmp == 0 || tmp == methaneLevelCritical) || !(0 == pumpRunning)) || !(pumpRunning == \old(pumpRunning)) - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 268.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -185.6 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 440.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 67.7 MB). Peak memory consumption was 67.7 MB. Max. memory is 11.5 GB. * CodeCheck took 9193.88 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 307.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -121.2 MB). Peak memory consumption was 186.5 MB. Max. memory is 11.5 GB. * Witness Printer took 44.57 ms. Allocated memory is still 1.5 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...