./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product42_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_c69c0b58-249a-402e-9bda-744b5d591e90/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c69c0b58-249a-402e-9bda-744b5d591e90/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c69c0b58-249a-402e-9bda-744b5d591e90/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c69c0b58-249a-402e-9bda-744b5d591e90/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product42_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c69c0b58-249a-402e-9bda-744b5d591e90/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c69c0b58-249a-402e-9bda-744b5d591e90/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 0f3978068d3e88eb2e8d08ee6f85f2ba09bbc729 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 12:53:26,495 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 12:53:26,496 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 12:53:26,502 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 12:53:26,502 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 12:53:26,503 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 12:53:26,503 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 12:53:26,504 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 12:53:26,505 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 12:53:26,505 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 12:53:26,506 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 12:53:26,506 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 12:53:26,506 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 12:53:26,507 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 12:53:26,507 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 12:53:26,508 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 12:53:26,508 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 12:53:26,509 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 12:53:26,510 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 12:53:26,511 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 12:53:26,511 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 12:53:26,512 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 12:53:26,513 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 12:53:26,513 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 12:53:26,513 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 12:53:26,514 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 12:53:26,514 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 12:53:26,514 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 12:53:26,515 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 12:53:26,515 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 12:53:26,515 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 12:53:26,516 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 12:53:26,516 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 12:53:26,516 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 12:53:26,517 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 12:53:26,517 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 12:53:26,517 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c69c0b58-249a-402e-9bda-744b5d591e90/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 12:53:26,524 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 12:53:26,525 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 12:53:26,525 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 12:53:26,525 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 12:53:26,525 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 12:53:26,526 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 12:53:26,526 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 12:53:26,526 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 12:53:26,526 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 12:53:26,526 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 12:53:26,526 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 12:53:26,526 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 12:53:26,526 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 12:53:26,526 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 12:53:26,526 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 12:53:26,526 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 12:53:26,526 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 12:53:26,527 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 12:53:26,527 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 12:53:26,527 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 12:53:26,527 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 12:53:26,527 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 12:53:26,527 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 12:53:26,527 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 12:53:26,527 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 12:53:26,527 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 12:53:26,527 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 12:53:26,527 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 12:53:26,527 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 12:53:26,528 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_c69c0b58-249a-402e-9bda-744b5d591e90/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 -> 0f3978068d3e88eb2e8d08ee6f85f2ba09bbc729 [2018-12-08 12:53:26,544 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 12:53:26,551 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 12:53:26,553 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 12:53:26,554 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 12:53:26,554 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 12:53:26,554 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c69c0b58-249a-402e-9bda-744b5d591e90/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product42_false-unreach-call_false-termination.cil.c [2018-12-08 12:53:26,590 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c69c0b58-249a-402e-9bda-744b5d591e90/bin-2019/ukojak/data/cafdfe552/114517a7c74643ff98092536c286b6c8/FLAG233763940 [2018-12-08 12:53:27,068 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 12:53:27,069 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c69c0b58-249a-402e-9bda-744b5d591e90/sv-benchmarks/c/product-lines/minepump_spec1_product42_false-unreach-call_false-termination.cil.c [2018-12-08 12:53:27,077 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c69c0b58-249a-402e-9bda-744b5d591e90/bin-2019/ukojak/data/cafdfe552/114517a7c74643ff98092536c286b6c8/FLAG233763940 [2018-12-08 12:53:27,573 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c69c0b58-249a-402e-9bda-744b5d591e90/bin-2019/ukojak/data/cafdfe552/114517a7c74643ff98092536c286b6c8 [2018-12-08 12:53:27,575 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 12:53:27,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 12:53:27,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 12:53:27,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 12:53:27,579 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 12:53:27,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:53:27" (1/1) ... [2018-12-08 12:53:27,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68072780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:53:27, skipping insertion in model container [2018-12-08 12:53:27,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:53:27" (1/1) ... [2018-12-08 12:53:27,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 12:53:27,605 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 12:53:27,749 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:53:27,756 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 12:53:27,836 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:53:27,851 INFO L195 MainTranslator]: Completed translation [2018-12-08 12:53:27,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:53:27 WrapperNode [2018-12-08 12:53:27,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 12:53:27,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 12:53:27,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 12:53:27,852 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 12:53:27,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:53:27" (1/1) ... [2018-12-08 12:53:27,866 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:53:27" (1/1) ... [2018-12-08 12:53:27,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 12:53:27,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 12:53:27,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 12:53:27,882 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 12:53:27,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:53:27" (1/1) ... [2018-12-08 12:53:27,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:53:27" (1/1) ... [2018-12-08 12:53:27,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:53:27" (1/1) ... [2018-12-08 12:53:27,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:53:27" (1/1) ... [2018-12-08 12:53:27,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:53:27" (1/1) ... [2018-12-08 12:53:27,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:53:27" (1/1) ... [2018-12-08 12:53:27,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:53:27" (1/1) ... [2018-12-08 12:53:27,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 12:53:27,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 12:53:27,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 12:53:27,899 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 12:53:27,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:53:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c69c0b58-249a-402e-9bda-744b5d591e90/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 [2018-12-08 12:53:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 12:53:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 12:53:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 12:53:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 12:53:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 12:53:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 12:53:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 12:53:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 12:53:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 12:53:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 12:53:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 12:53:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 12:53:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 12:53:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 12:53:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 12:53:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 12:53:28,334 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 12:53:28,334 INFO L280 CfgBuilder]: Removed 40 assue(true) statements. [2018-12-08 12:53:28,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:53:28 BoogieIcfgContainer [2018-12-08 12:53:28,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 12:53:28,335 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 12:53:28,335 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 12:53:28,342 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 12:53:28,342 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:53:28" (1/1) ... [2018-12-08 12:53:28,348 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:53:28,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:53:28,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2018-12-08 12:53:28,372 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2018-12-08 12:53:28,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 12:53:28,375 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:53:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:53:28,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:53:28,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:53:28,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2018-12-08 12:53:28,490 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2018-12-08 12:53:28,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 12:53:28,490 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:53:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:53:28,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:53:28,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:53:28,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2018-12-08 12:53:28,551 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2018-12-08 12:53:28,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 12:53:28,552 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:53:28,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:53:28,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:53:28,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:53:28,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2018-12-08 12:53:28,732 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2018-12-08 12:53:28,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 12:53:28,733 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:53:28,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:53:28,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:53:28,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:53:28,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 64 states and 91 transitions. [2018-12-08 12:53:28,765 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2018-12-08 12:53:28,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 12:53:28,765 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:53:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:53:28,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:53:28,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:53:28,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 74 states and 113 transitions. [2018-12-08 12:53:28,962 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 113 transitions. [2018-12-08 12:53:28,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 12:53:28,964 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:53:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:53:28,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:53:29,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:53:29,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 84 states and 133 transitions. [2018-12-08 12:53:29,202 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 133 transitions. [2018-12-08 12:53:29,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 12:53:29,204 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:53:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:53:29,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:53:29,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:53:29,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 87 states and 137 transitions. [2018-12-08 12:53:29,249 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 137 transitions. [2018-12-08 12:53:29,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 12:53:29,250 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:53:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:53:29,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 12:53:29,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:53:29,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 89 states and 139 transitions. [2018-12-08 12:53:29,280 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 139 transitions. [2018-12-08 12:53:29,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 12:53:29,281 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:53:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:53:29,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:53:29,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:53:29,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 90 states and 140 transitions. [2018-12-08 12:53:29,315 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 140 transitions. [2018-12-08 12:53:29,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 12:53:29,315 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:53:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:53:29,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:53:29,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:53:29,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 90 states and 139 transitions. [2018-12-08 12:53:29,349 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 139 transitions. [2018-12-08 12:53:29,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 12:53:29,350 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:53:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:53:29,472 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 12:53:29,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:53:29,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 99 states and 158 transitions. [2018-12-08 12:53:29,766 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 158 transitions. [2018-12-08 12:53:29,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-08 12:53:29,767 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:53:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:53:29,812 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:53:29,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:53:29,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 105 states and 171 transitions. [2018-12-08 12:53:29,955 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 171 transitions. [2018-12-08 12:53:29,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-08 12:53:29,956 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:53:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:53:29,968 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:53:29,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:53:29,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 103 states and 167 transitions. [2018-12-08 12:53:29,977 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 167 transitions. [2018-12-08 12:53:29,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-08 12:53:29,978 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:53:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:53:29,993 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:53:30,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:53:30,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 105 states and 168 transitions. [2018-12-08 12:53:30,093 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 168 transitions. [2018-12-08 12:53:30,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-08 12:53:30,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:53:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:53:30,302 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 12:53:31,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:53:31,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 120 states and 218 transitions. [2018-12-08 12:53:31,616 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 218 transitions. [2018-12-08 12:53:31,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-08 12:53:31,617 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:53:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:53:31,629 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:53:31,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:53:31,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 122 states and 223 transitions. [2018-12-08 12:53:31,948 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 223 transitions. [2018-12-08 12:53:31,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-08 12:53:31,949 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:53:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:53:32,026 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 12:53:32,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:53:32,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 128 states and 251 transitions. [2018-12-08 12:53:32,789 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 251 transitions. [2018-12-08 12:53:32,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 12:53:32,790 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:53:32,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:53:32,807 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:53:33,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:53:33,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 130 states and 255 transitions. [2018-12-08 12:53:33,007 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 255 transitions. [2018-12-08 12:53:33,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-08 12:53:33,008 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:53:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:53:33,020 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 12:53:33,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:53:33,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 132 states and 273 transitions. [2018-12-08 12:53:33,272 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 273 transitions. [2018-12-08 12:53:33,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-08 12:53:33,273 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:53:33,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:53:33,291 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 12:53:33,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:53:33,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 134 states and 276 transitions. [2018-12-08 12:53:33,473 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 276 transitions. [2018-12-08 12:53:33,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 12:53:33,474 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:53:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:53:33,491 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 12:53:34,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:53:34,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 144 states and 296 transitions. [2018-12-08 12:53:34,389 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 296 transitions. [2018-12-08 12:53:34,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 12:53:34,391 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:53:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:53:34,411 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 12:53:34,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:53:34,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 146 states and 299 transitions. [2018-12-08 12:53:34,561 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 299 transitions. [2018-12-08 12:53:34,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 12:53:34,562 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:53:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:53:34,574 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-08 12:53:34,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:53:34,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 147 states and 300 transitions. [2018-12-08 12:53:34,583 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 300 transitions. [2018-12-08 12:53:34,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-08 12:53:34,584 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:53:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:53:34,598 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 12:53:34,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:53:34,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 148 states and 301 transitions. [2018-12-08 12:53:34,706 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 301 transitions. [2018-12-08 12:53:34,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-08 12:53:34,706 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:53:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:53:34,719 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 12:53:34,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:53:34,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 148 states and 300 transitions. [2018-12-08 12:53:34,730 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 300 transitions. [2018-12-08 12:53:34,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 12:53:34,730 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:53:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:53:34,748 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 12:53:35,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:53:35,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 154 states and 311 transitions. [2018-12-08 12:53:35,576 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 311 transitions. [2018-12-08 12:53:35,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 12:53:35,577 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:53:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:53:35,769 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 12:53:37,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:53:37,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 170 states and 347 transitions. [2018-12-08 12:53:37,810 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 347 transitions. [2018-12-08 12:53:37,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-08 12:53:37,811 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:53:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:53:38,190 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 12:53:41,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:53:41,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 183 states and 388 transitions. [2018-12-08 12:53:41,057 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 388 transitions. [2018-12-08 12:53:41,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 12:53:41,057 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:53:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:53:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:53:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:53:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:53:41,240 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 29 iterations. [2018-12-08 12:53:41,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 12:53:41 ImpRootNode [2018-12-08 12:53:41,330 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 12:53:41,330 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 12:53:41,330 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 12:53:41,331 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 12:53:41,331 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:53:28" (3/4) ... [2018-12-08 12:53:41,333 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 12:53:41,419 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c69c0b58-249a-402e-9bda-744b5d591e90/bin-2019/ukojak/witness.graphml [2018-12-08 12:53:41,420 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 12:53:41,420 INFO L168 Benchmark]: Toolchain (without parser) took 13844.38 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 524.8 MB). Free memory was 961.4 MB in the beginning and 1.4 GB in the end (delta: -406.6 MB). Peak memory consumption was 118.2 MB. Max. memory is 11.5 GB. [2018-12-08 12:53:41,421 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-12-08 12:53:41,421 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -167.0 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-08 12:53:41,422 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.74 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-12-08 12:53:41,422 INFO L168 Benchmark]: Boogie Preprocessor took 17.36 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. [2018-12-08 12:53:41,422 INFO L168 Benchmark]: RCFGBuilder took 435.61 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 11.5 GB. [2018-12-08 12:53:41,422 INFO L168 Benchmark]: CodeCheck took 12994.90 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 386.9 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -325.6 MB). Peak memory consumption was 61.3 MB. Max. memory is 11.5 GB. [2018-12-08 12:53:41,423 INFO L168 Benchmark]: Witness Printer took 89.30 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-12-08 12:53:41,424 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, 70 locations, 1 error locations. UNSAFE Result, 12.8s OverallTime, 29 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1819741388 SDtfs, -2035390426 SDslu, -362120508 SDs, 0 SdLazy, -732496708 SolverSat, 1242054018 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10794 GetRequests, 10412 SyntacticMatches, 70 SemanticMatches, 312 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45402 ImplicationChecksByTransitivity, 11.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1010 NumberOfCodeBlocks, 1010 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 930 ConstructedInterpolants, 0 QuantifiedInterpolants, 90083 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 16 PerfectInterpolantSequences, 196/258 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: 764]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L581] int pumpRunning = 0; [L582] int systemActive = 1; [L833] int cleanupTimeShifts = 4; [L906] int retValue_acc ; [L907] int tmp ; [L824] int retValue_acc ; [L827] retValue_acc = 1 [L828] return (retValue_acc); [L913] tmp = valid_product() [L915] COND TRUE \read(tmp) [L511] int splverifierCounter ; [L512] int tmp ; [L513] int tmp___0 ; [L514] int tmp___1 ; [L515] int tmp___2 ; [L518] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L520] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L522] COND TRUE splverifierCounter < 4 [L528] tmp = __VERIFIER_nondet_int() [L530] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L532] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L431] COND TRUE waterLevel < 2 [L432] waterLevel = waterLevel + 1 [L532] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L538] tmp___0 = __VERIFIER_nondet_int() [L540] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L548] tmp___2 = __VERIFIER_nondet_int() [L550] COND FALSE !(\read(tmp___2)) [L556] tmp___1 = __VERIFIER_nondet_int() [L558] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L565] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L589] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L596] COND TRUE \read(systemActive) [L618] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L621] COND TRUE ! pumpRunning [L733] int retValue_acc ; [L734] int tmp ; [L735] int tmp___0 ; [L493] int retValue_acc ; [L496] COND FALSE !(waterLevel < 2) [L500] retValue_acc = 0 [L501] return (retValue_acc); [L739] tmp = isHighWaterSensorDry() [L741] COND FALSE !(\read(tmp)) [L744] tmp___0 = 1 [L746] retValue_acc = tmp___0 [L747] return (retValue_acc); [L623] tmp = isHighWaterLevel() [L625] COND TRUE \read(tmp) [L652] int tmp ; [L677] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L681] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); [L681] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L681] retValue_acc = isMethaneLevelCritical() [L683] return (retValue_acc); [L656] tmp = isMethaneAlarm() [L658] COND FALSE !(\read(tmp)) [L646] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L770] int tmp ; [L771] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L775] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); [L775] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L775] tmp = isMethaneLevelCritical() [L777] COND FALSE !(\read(tmp)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L565] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L520] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L522] COND TRUE splverifierCounter < 4 [L528] tmp = __VERIFIER_nondet_int() [L530] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L538] tmp___0 = __VERIFIER_nondet_int() [L540] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L542] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L443] COND FALSE !(\read(methaneLevelCritical)) [L446] methaneLevelCritical = 1 [L542] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L548] tmp___2 = __VERIFIER_nondet_int() [L550] COND FALSE !(\read(tmp___2)) [L556] tmp___1 = __VERIFIER_nondet_int() [L558] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L565] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L589] COND TRUE \read(pumpRunning) [L419] COND TRUE waterLevel > 0 [L420] waterLevel = waterLevel - 1 VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L596] COND TRUE \read(systemActive) [L618] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L621] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L636] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L770] int tmp ; [L771] int tmp___0 ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L775] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); [L775] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L775] tmp = isMethaneLevelCritical() [L777] COND TRUE \read(tmp) [L688] int retValue_acc ; [L691] retValue_acc = pumpRunning [L692] return (retValue_acc); [L779] tmp___0 = isPumpRunning() [L781] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L764] __VERIFIER_error() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 274.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -167.0 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.74 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.36 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 435.61 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 11.5 GB. * CodeCheck took 12994.90 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 386.9 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -325.6 MB). Peak memory consumption was 61.3 MB. Max. memory is 11.5 GB. * Witness Printer took 89.30 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...