./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product51_false-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_740a727e-2f75-4051-888b-0de4418ea8b3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_740a727e-2f75-4051-888b-0de4418ea8b3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_740a727e-2f75-4051-888b-0de4418ea8b3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_740a727e-2f75-4051-888b-0de4418ea8b3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product51_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_740a727e-2f75-4051-888b-0de4418ea8b3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_740a727e-2f75-4051-888b-0de4418ea8b3/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 0d6f6f11832d8f580d186172cf5d58d3f276ea91 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 15:11:06,551 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 15:11:06,552 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 15:11:06,558 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 15:11:06,558 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 15:11:06,559 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 15:11:06,559 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 15:11:06,560 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 15:11:06,561 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 15:11:06,561 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 15:11:06,562 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 15:11:06,562 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 15:11:06,562 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 15:11:06,563 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 15:11:06,563 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 15:11:06,564 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 15:11:06,564 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 15:11:06,565 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 15:11:06,566 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 15:11:06,567 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 15:11:06,567 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 15:11:06,568 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 15:11:06,569 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 15:11:06,569 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 15:11:06,569 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 15:11:06,570 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 15:11:06,570 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 15:11:06,571 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 15:11:06,571 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 15:11:06,571 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 15:11:06,572 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 15:11:06,572 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 15:11:06,572 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 15:11:06,572 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 15:11:06,573 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 15:11:06,573 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 15:11:06,573 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_740a727e-2f75-4051-888b-0de4418ea8b3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 15:11:06,580 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 15:11:06,580 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 15:11:06,581 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 15:11:06,581 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 15:11:06,581 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 15:11:06,581 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 15:11:06,581 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 15:11:06,582 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 15:11:06,582 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 15:11:06,582 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 15:11:06,582 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 15:11:06,582 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 15:11:06,582 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 15:11:06,582 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 15:11:06,582 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 15:11:06,582 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 15:11:06,582 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 15:11:06,582 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 15:11:06,583 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 15:11:06,583 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 15:11:06,583 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 15:11:06,583 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 15:11:06,583 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 15:11:06,583 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 15:11:06,583 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 15:11:06,583 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 15:11:06,583 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 15:11:06,583 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 15:11:06,584 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 15:11:06,584 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_740a727e-2f75-4051-888b-0de4418ea8b3/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 -> 0d6f6f11832d8f580d186172cf5d58d3f276ea91 [2018-12-01 15:11:06,601 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 15:11:06,607 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 15:11:06,609 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 15:11:06,610 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 15:11:06,610 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 15:11:06,611 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_740a727e-2f75-4051-888b-0de4418ea8b3/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product51_false-unreach-call_false-termination.cil.c [2018-12-01 15:11:06,646 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_740a727e-2f75-4051-888b-0de4418ea8b3/bin-2019/ukojak/data/9ddb47c53/fab9e8aeb1654bb2adef993b9e1ba08a/FLAG7ab235dd9 [2018-12-01 15:11:07,120 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 15:11:07,120 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_740a727e-2f75-4051-888b-0de4418ea8b3/sv-benchmarks/c/product-lines/minepump_spec1_product51_false-unreach-call_false-termination.cil.c [2018-12-01 15:11:07,126 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_740a727e-2f75-4051-888b-0de4418ea8b3/bin-2019/ukojak/data/9ddb47c53/fab9e8aeb1654bb2adef993b9e1ba08a/FLAG7ab235dd9 [2018-12-01 15:11:07,135 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_740a727e-2f75-4051-888b-0de4418ea8b3/bin-2019/ukojak/data/9ddb47c53/fab9e8aeb1654bb2adef993b9e1ba08a [2018-12-01 15:11:07,137 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 15:11:07,137 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 15:11:07,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 15:11:07,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 15:11:07,140 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 15:11:07,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:11:07" (1/1) ... [2018-12-01 15:11:07,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f304bcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:07, skipping insertion in model container [2018-12-01 15:11:07,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:11:07" (1/1) ... [2018-12-01 15:11:07,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 15:11:07,168 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 15:11:07,319 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:11:07,326 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 15:11:07,402 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:11:07,417 INFO L195 MainTranslator]: Completed translation [2018-12-01 15:11:07,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:07 WrapperNode [2018-12-01 15:11:07,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 15:11:07,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 15:11:07,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 15:11:07,418 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 15:11:07,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:07" (1/1) ... [2018-12-01 15:11:07,432 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:07" (1/1) ... [2018-12-01 15:11:07,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 15:11:07,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 15:11:07,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 15:11:07,449 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 15:11:07,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:07" (1/1) ... [2018-12-01 15:11:07,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:07" (1/1) ... [2018-12-01 15:11:07,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:07" (1/1) ... [2018-12-01 15:11:07,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:07" (1/1) ... [2018-12-01 15:11:07,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:07" (1/1) ... [2018-12-01 15:11:07,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:07" (1/1) ... [2018-12-01 15:11:07,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:07" (1/1) ... [2018-12-01 15:11:07,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 15:11:07,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 15:11:07,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 15:11:07,466 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 15:11:07,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:11:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_740a727e-2f75-4051-888b-0de4418ea8b3/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 [2018-12-01 15:11:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 15:11:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-01 15:11:07,498 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-01 15:11:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-01 15:11:07,498 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-01 15:11:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-01 15:11:07,498 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-01 15:11:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-01 15:11:07,498 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-01 15:11:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 15:11:07,499 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 15:11:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-01 15:11:07,499 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-01 15:11:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-01 15:11:07,499 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-01 15:11:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 15:11:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-01 15:11:07,499 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-01 15:11:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 15:11:07,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 15:11:07,945 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 15:11:07,946 INFO L280 CfgBuilder]: Removed 40 assue(true) statements. [2018-12-01 15:11:07,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:11:07 BoogieIcfgContainer [2018-12-01 15:11:07,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 15:11:07,947 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 15:11:07,947 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 15:11:07,955 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 15:11:07,955 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:11:07" (1/1) ... [2018-12-01 15:11:07,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:11:07,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:11:07,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 61 states and 82 transitions. [2018-12-01 15:11:07,991 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2018-12-01 15:11:07,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 15:11:07,995 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:11:08,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:11:08,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:11:08,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:11:08,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2018-12-01 15:11:08,124 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2018-12-01 15:11:08,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 15:11:08,125 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:11:08,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:11:08,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:11:08,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:11:08,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 83 transitions. [2018-12-01 15:11:08,179 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2018-12-01 15:11:08,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 15:11:08,179 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:11:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:11:08,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:11:08,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:11:08,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 73 states and 104 transitions. [2018-12-01 15:11:08,297 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 104 transitions. [2018-12-01 15:11:08,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 15:11:08,297 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:11:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:11:08,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:11:08,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:11:08,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 74 states and 105 transitions. [2018-12-01 15:11:08,327 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2018-12-01 15:11:08,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 15:11:08,328 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:11:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:11:08,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:11:08,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:11:08,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 75 states and 106 transitions. [2018-12-01 15:11:08,356 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2018-12-01 15:11:08,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 15:11:08,356 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:11:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:11:08,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:11:08,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:11:08,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 76 states and 107 transitions. [2018-12-01 15:11:08,388 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2018-12-01 15:11:08,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 15:11:08,389 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:11:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:11:08,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:11:08,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:11:08,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 93 states and 145 transitions. [2018-12-01 15:11:08,700 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 145 transitions. [2018-12-01 15:11:08,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-01 15:11:08,701 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:11:08,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:11:08,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:11:08,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:11:08,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 96 states and 153 transitions. [2018-12-01 15:11:08,813 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 153 transitions. [2018-12-01 15:11:08,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 15:11:08,814 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:11:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:11:08,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:11:09,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:11:09,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 107 states and 181 transitions. [2018-12-01 15:11:09,099 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 181 transitions. [2018-12-01 15:11:09,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-01 15:11:09,100 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:11:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:11:09,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:11:09,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:11:09,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 121 states and 220 transitions. [2018-12-01 15:11:09,682 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 220 transitions. [2018-12-01 15:11:09,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-01 15:11:09,683 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:11:09,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:11:09,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:11:09,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:11:09,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 122 states and 221 transitions. [2018-12-01 15:11:09,711 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 221 transitions. [2018-12-01 15:11:09,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-01 15:11:09,712 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:11:09,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:11:09,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:11:09,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:11:09,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 127 states and 231 transitions. [2018-12-01 15:11:09,826 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 231 transitions. [2018-12-01 15:11:09,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-01 15:11:09,827 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:11:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:11:09,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:11:09,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:11:09,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 128 states and 232 transitions. [2018-12-01 15:11:09,864 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 232 transitions. [2018-12-01 15:11:09,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-01 15:11:09,865 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:11:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:11:09,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:11:09,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:11:09,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 129 states and 233 transitions. [2018-12-01 15:11:09,901 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 233 transitions. [2018-12-01 15:11:09,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-01 15:11:09,902 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:11:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:11:09,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:11:10,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:11:10,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 140 states and 256 transitions. [2018-12-01 15:11:10,321 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 256 transitions. [2018-12-01 15:11:10,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-01 15:11:10,321 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:11:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:11:10,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:11:10,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:11:10,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 142 states and 261 transitions. [2018-12-01 15:11:10,656 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 261 transitions. [2018-12-01 15:11:10,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-01 15:11:10,657 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:11:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:11:10,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:11:10,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:11:10,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 145 states and 269 transitions. [2018-12-01 15:11:10,785 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 269 transitions. [2018-12-01 15:11:10,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-01 15:11:10,785 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:11:10,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:11:10,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:11:10,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:11:10,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 146 states and 270 transitions. [2018-12-01 15:11:10,915 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 270 transitions. [2018-12-01 15:11:10,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-01 15:11:10,916 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:11:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:11:10,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:11:11,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:11:11,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 151 states and 278 transitions. [2018-12-01 15:11:11,107 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 278 transitions. [2018-12-01 15:11:11,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-01 15:11:11,108 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:11:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:11:11,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:11:11,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:11:11,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 153 states and 284 transitions. [2018-12-01 15:11:11,292 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 284 transitions. [2018-12-01 15:11:11,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-01 15:11:11,293 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:11:11,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:11:11,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:11:11,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:11:11,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 154 states and 285 transitions. [2018-12-01 15:11:11,320 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 285 transitions. [2018-12-01 15:11:11,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-01 15:11:11,320 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:11:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:11:11,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:11:11,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:11:11,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 159 states and 293 transitions. [2018-12-01 15:11:11,564 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 293 transitions. [2018-12-01 15:11:11,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-01 15:11:11,565 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:11:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:11:11,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:11:11,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:11:11,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 162 states and 299 transitions. [2018-12-01 15:11:11,668 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 299 transitions. [2018-12-01 15:11:11,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-01 15:11:11,669 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:11:11,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:11:11,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:11:11,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:11:11,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 163 states and 300 transitions. [2018-12-01 15:11:11,746 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 300 transitions. [2018-12-01 15:11:11,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-01 15:11:11,747 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:11:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:11:11,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:11:12,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:11:12,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 163 states and 298 transitions. [2018-12-01 15:11:12,069 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 298 transitions. [2018-12-01 15:11:12,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-01 15:11:12,070 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:11:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:11:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:11:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:11:12,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:11:12,229 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 26 iterations. [2018-12-01 15:11:12,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 03:11:12 ImpRootNode [2018-12-01 15:11:12,297 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 15:11:12,297 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 15:11:12,298 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 15:11:12,298 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 15:11:12,298 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:11:07" (3/4) ... [2018-12-01 15:11:12,299 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-01 15:11:12,361 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_740a727e-2f75-4051-888b-0de4418ea8b3/bin-2019/ukojak/witness.graphml [2018-12-01 15:11:12,361 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 15:11:12,361 INFO L168 Benchmark]: Toolchain (without parser) took 5224.22 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 308.8 MB). Free memory was 951.7 MB in the beginning and 1.3 GB in the end (delta: -305.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. [2018-12-01 15:11:12,362 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:11:12,362 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -157.1 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2018-12-01 15:11:12,362 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.15 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. [2018-12-01 15:11:12,363 INFO L168 Benchmark]: Boogie Preprocessor took 17.10 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. [2018-12-01 15:11:12,363 INFO L168 Benchmark]: RCFGBuilder took 480.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 84.5 MB). Peak memory consumption was 84.5 MB. Max. memory is 11.5 GB. [2018-12-01 15:11:12,363 INFO L168 Benchmark]: CodeCheck took 4350.68 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 184.0 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -252.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:11:12,363 INFO L168 Benchmark]: Witness Printer took 63.25 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2018-12-01 15:11:12,364 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 9 procedures, 84 locations, 1 error locations. UNSAFE Result, 4.2s OverallTime, 26 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 734334996 SDtfs, 244222252 SDslu, 388293108 SDs, 0 SdLazy, 270017114 SolverSat, 84200030 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6350 GetRequests, 6176 SyntacticMatches, 38 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7966 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 694 NumberOfCodeBlocks, 694 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 636 ConstructedInterpolants, 0 QuantifiedInterpolants, 45019 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 PerfectInterpolantSequences, 0/0 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 - CounterExampleResult [Line: 704]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L121] int pumpRunning = 0; [L122] int systemActive = 1; [L503] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L773] int cleanupTimeShifts = 4; [L870] int waterLevel = 1; [L871] int methaneLevelCritical = 0; [L846] int retValue_acc ; [L847] int tmp ; [L738] int retValue_acc ; [L741] retValue_acc = 1 [L742] return (retValue_acc); [L853] tmp = valid_product() [L855] COND TRUE \read(tmp) [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L55] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L57] COND TRUE splverifierCounter < 4 [L63] tmp = __VERIFIER_nondet_int() [L65] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L67] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L888] COND TRUE waterLevel < 2 [L889] waterLevel = waterLevel + 1 [L67] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L77] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L900] COND FALSE !(\read(methaneLevelCritical)) [L903] methaneLevelCritical = 1 [L77] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L100] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L129] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L136] COND TRUE \read(systemActive) [L184] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L187] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L202] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L158] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L161] COND TRUE ! pumpRunning [L281] int retValue_acc ; [L282] int tmp ; [L283] int tmp___0 ; [L950] int retValue_acc ; [L953] COND FALSE !(waterLevel < 2) [L957] retValue_acc = 0 [L958] return (retValue_acc); [L287] tmp = isHighWaterSensorDry() [L289] COND FALSE !(\read(tmp)) [L292] tmp___0 = 1 [L294] retValue_acc = tmp___0 [L295] return (retValue_acc); [L163] tmp = isHighWaterLevel() [L165] COND TRUE \read(tmp) [L212] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L202] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L748] int tmp ; [L749] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L753] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L909] int retValue_acc ; [L912] retValue_acc = methaneLevelCritical [L913] return (retValue_acc); [L753] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L753] tmp = isMethaneLevelCritical() [L755] COND TRUE \read(tmp) [L236] int retValue_acc ; [L239] retValue_acc = pumpRunning [L240] return (retValue_acc); [L757] tmp___0 = isPumpRunning() [L759] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L704] __VERIFIER_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] * 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 279.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -157.1 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.15 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 17.10 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 480.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 84.5 MB). Peak memory consumption was 84.5 MB. Max. memory is 11.5 GB. * CodeCheck took 4350.68 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 184.0 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -252.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 63.25 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...