./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product17_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_38915793-1666-4fe4-85db-0485917feb52/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_38915793-1666-4fe4-85db-0485917feb52/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_38915793-1666-4fe4-85db-0485917feb52/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_38915793-1666-4fe4-85db-0485917feb52/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product17_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_38915793-1666-4fe4-85db-0485917feb52/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_38915793-1666-4fe4-85db-0485917feb52/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 8bc03304053b87222b24c5c9ce9e3cebe0230704 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:34:30,054 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:34:30,056 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:34:30,066 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:34:30,066 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:34:30,067 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:34:30,068 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:34:30,070 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:34:30,071 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:34:30,072 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:34:30,073 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:34:30,073 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:34:30,074 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:34:30,076 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:34:30,077 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:34:30,077 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:34:30,079 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:34:30,081 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:34:30,083 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:34:30,084 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:34:30,085 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:34:30,087 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:34:30,089 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:34:30,089 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:34:30,090 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:34:30,091 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:34:30,092 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:34:30,093 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:34:30,094 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:34:30,095 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:34:30,096 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:34:30,096 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:34:30,097 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:34:30,097 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:34:30,098 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:34:30,099 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:34:30,100 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_38915793-1666-4fe4-85db-0485917feb52/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 20:34:30,113 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:34:30,114 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:34:30,115 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:34:30,115 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:34:30,116 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:34:30,116 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:34:30,116 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:34:30,116 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:34:30,116 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:34:30,117 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:34:30,117 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:34:30,117 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:34:30,117 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:34:30,117 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:34:30,117 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:34:30,118 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:34:30,118 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:34:30,118 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 20:34:30,120 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 20:34:30,120 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:34:30,120 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:34:30,120 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:34:30,121 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:34:30,121 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:34:30,121 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:34:30,121 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 20:34:30,121 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:34:30,121 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:34:30,122 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_38915793-1666-4fe4-85db-0485917feb52/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 -> 8bc03304053b87222b24c5c9ce9e3cebe0230704 [2018-10-26 20:34:30,154 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:34:30,178 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:34:30,181 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:34:30,184 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:34:30,185 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:34:30,186 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_38915793-1666-4fe4-85db-0485917feb52/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product17_true-unreach-call_false-termination.cil.c [2018-10-26 20:34:30,247 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_38915793-1666-4fe4-85db-0485917feb52/bin-2019/ukojak/data/42fdbd694/e67c1dc98f1447c98a9ee7c78b72d6a1/FLAG5112c92b7 [2018-10-26 20:34:30,693 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:34:30,694 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_38915793-1666-4fe4-85db-0485917feb52/sv-benchmarks/c/product-lines/minepump_spec2_product17_true-unreach-call_false-termination.cil.c [2018-10-26 20:34:30,712 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_38915793-1666-4fe4-85db-0485917feb52/bin-2019/ukojak/data/42fdbd694/e67c1dc98f1447c98a9ee7c78b72d6a1/FLAG5112c92b7 [2018-10-26 20:34:30,727 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_38915793-1666-4fe4-85db-0485917feb52/bin-2019/ukojak/data/42fdbd694/e67c1dc98f1447c98a9ee7c78b72d6a1 [2018-10-26 20:34:30,731 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:34:30,732 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:34:30,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:34:30,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:34:30,738 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:34:30,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:34:30" (1/1) ... [2018-10-26 20:34:30,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c869f3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:34:30, skipping insertion in model container [2018-10-26 20:34:30,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:34:30" (1/1) ... [2018-10-26 20:34:30,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:34:30,819 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:34:31,190 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:34:31,201 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:34:31,275 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:34:31,302 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:34:31,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:34:31 WrapperNode [2018-10-26 20:34:31,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:34:31,303 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:34:31,303 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:34:31,304 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:34:31,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:34:31" (1/1) ... [2018-10-26 20:34:31,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:34:31" (1/1) ... [2018-10-26 20:34:31,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:34:31,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:34:31,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:34:31,440 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:34:31,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:34:31" (1/1) ... [2018-10-26 20:34:31,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:34:31" (1/1) ... [2018-10-26 20:34:31,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:34:31" (1/1) ... [2018-10-26 20:34:31,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:34:31" (1/1) ... [2018-10-26 20:34:31,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:34:31" (1/1) ... [2018-10-26 20:34:31,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:34:31" (1/1) ... [2018-10-26 20:34:31,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:34:31" (1/1) ... [2018-10-26 20:34:31,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:34:31,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:34:31,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:34:31,476 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:34:31,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:34:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_38915793-1666-4fe4-85db-0485917feb52/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 [2018-10-26 20:34:31,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 20:34:31,541 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 20:34:31,541 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 20:34:31,541 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 20:34:31,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 20:34:31,541 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 20:34:31,541 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 20:34:31,542 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 20:34:31,542 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 20:34:31,542 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 20:34:31,542 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 20:34:31,542 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 20:34:31,542 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 20:34:31,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:34:31,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:34:33,963 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:34:33,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:34:33 BoogieIcfgContainer [2018-10-26 20:34:33,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:34:33,965 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 20:34:33,965 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 20:34:33,977 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 20:34:33,978 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:34:33" (1/1) ... [2018-10-26 20:34:33,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:34:34,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:34,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 51 states and 68 transitions. [2018-10-26 20:34:34,034 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2018-10-26 20:34:34,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 20:34:34,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:34,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:34,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:34,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2018-10-26 20:34:34,265 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2018-10-26 20:34:34,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 20:34:34,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:34,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:34,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:34,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 54 states and 69 transitions. [2018-10-26 20:34:34,548 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2018-10-26 20:34:34,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 20:34:34,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:34,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:34,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:35,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:35,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 64 states and 88 transitions. [2018-10-26 20:34:35,632 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 88 transitions. [2018-10-26 20:34:35,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 20:34:35,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:35,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:35,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:35,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2018-10-26 20:34:35,767 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2018-10-26 20:34:35,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 20:34:35,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:35,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:36,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:36,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 76 states and 111 transitions. [2018-10-26 20:34:36,427 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 111 transitions. [2018-10-26 20:34:36,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 20:34:36,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:36,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:37,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:37,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 93 states and 144 transitions. [2018-10-26 20:34:37,524 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 144 transitions. [2018-10-26 20:34:37,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 20:34:37,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:37,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:37,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:37,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 94 states and 145 transitions. [2018-10-26 20:34:37,811 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 145 transitions. [2018-10-26 20:34:37,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 20:34:37,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:37,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:37,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:37,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 95 states and 146 transitions. [2018-10-26 20:34:37,976 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 146 transitions. [2018-10-26 20:34:37,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 20:34:37,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:38,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:38,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:38,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 96 states and 147 transitions. [2018-10-26 20:34:38,155 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 147 transitions. [2018-10-26 20:34:38,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 20:34:38,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:38,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:38,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:38,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 102 states and 155 transitions. [2018-10-26 20:34:38,572 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 155 transitions. [2018-10-26 20:34:38,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-26 20:34:38,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:38,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:38,783 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:34:39,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:39,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 109 states and 168 transitions. [2018-10-26 20:34:39,080 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 168 transitions. [2018-10-26 20:34:39,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 20:34:39,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:39,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:39,915 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 20:34:40,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:40,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 112 states and 181 transitions. [2018-10-26 20:34:40,671 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 181 transitions. [2018-10-26 20:34:40,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 20:34:40,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:40,704 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:34:40,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:40,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 113 states and 184 transitions. [2018-10-26 20:34:40,930 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 184 transitions. [2018-10-26 20:34:40,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 20:34:40,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:41,013 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 20:34:41,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:41,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 114 states and 185 transitions. [2018-10-26 20:34:41,147 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 185 transitions. [2018-10-26 20:34:41,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 20:34:41,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:41,201 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:34:41,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:41,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 117 states and 191 transitions. [2018-10-26 20:34:41,423 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 191 transitions. [2018-10-26 20:34:41,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 20:34:41,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:41,585 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:34:42,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:42,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 134 states and 226 transitions. [2018-10-26 20:34:42,842 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 226 transitions. [2018-10-26 20:34:42,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 20:34:42,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:42,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:42,878 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:34:42,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:42,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 135 states and 227 transitions. [2018-10-26 20:34:42,927 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 227 transitions. [2018-10-26 20:34:42,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 20:34:42,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:42,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:42,961 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:34:43,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:43,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 136 states and 228 transitions. [2018-10-26 20:34:43,024 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 228 transitions. [2018-10-26 20:34:43,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 20:34:43,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:43,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:43,233 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 20:34:45,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:45,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 155 states and 281 transitions. [2018-10-26 20:34:45,189 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 281 transitions. [2018-10-26 20:34:45,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-26 20:34:45,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:45,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:45,227 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 20:34:46,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:46,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 165 states and 309 transitions. [2018-10-26 20:34:46,705 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 309 transitions. [2018-10-26 20:34:46,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 20:34:46,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:46,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:46,770 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 20:34:46,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:46,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 166 states and 310 transitions. [2018-10-26 20:34:46,837 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 310 transitions. [2018-10-26 20:34:46,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 20:34:46,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:46,900 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 20:34:46,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:46,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 167 states and 311 transitions. [2018-10-26 20:34:46,964 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 311 transitions. [2018-10-26 20:34:46,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 20:34:46,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:46,999 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 20:34:47,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:47,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 171 states and 318 transitions. [2018-10-26 20:34:47,682 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 318 transitions. [2018-10-26 20:34:47,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-26 20:34:47,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:47,718 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 20:34:48,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:48,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 174 states and 319 transitions. [2018-10-26 20:34:48,660 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 319 transitions. [2018-10-26 20:34:48,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-26 20:34:48,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:48,700 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-26 20:34:49,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:49,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 180 states and 336 transitions. [2018-10-26 20:34:49,819 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 336 transitions. [2018-10-26 20:34:49,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-26 20:34:49,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:49,858 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 20:34:50,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:50,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 178 states and 330 transitions. [2018-10-26 20:34:50,162 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 330 transitions. [2018-10-26 20:34:50,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-26 20:34:50,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:50,227 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 20:34:51,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:51,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 168 states and 306 transitions. [2018-10-26 20:34:51,140 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 306 transitions. [2018-10-26 20:34:51,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-26 20:34:51,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:51,174 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 20:34:51,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:51,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 168 states and 305 transitions. [2018-10-26 20:34:51,446 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 305 transitions. [2018-10-26 20:34:51,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-26 20:34:51,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:51,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:51,504 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 20:34:51,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:51,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 164 states and 295 transitions. [2018-10-26 20:34:51,599 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 295 transitions. [2018-10-26 20:34:51,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-26 20:34:51,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:51,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:51,636 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-26 20:34:51,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:51,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 165 states and 296 transitions. [2018-10-26 20:34:51,700 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 296 transitions. [2018-10-26 20:34:51,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-26 20:34:51,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:51,733 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 20:34:52,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:52,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 161 states and 284 transitions. [2018-10-26 20:34:52,191 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 284 transitions. [2018-10-26 20:34:52,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-26 20:34:52,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:52,223 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 20:34:52,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:52,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 157 states and 276 transitions. [2018-10-26 20:34:52,350 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 276 transitions. [2018-10-26 20:34:52,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-26 20:34:52,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:52,386 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-10-26 20:34:52,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:52,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 153 states and 264 transitions. [2018-10-26 20:34:52,885 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 264 transitions. [2018-10-26 20:34:52,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-26 20:34:52,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:52,935 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-10-26 20:34:53,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:53,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 78 states and 105 transitions. [2018-10-26 20:34:53,223 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 105 transitions. [2018-10-26 20:34:53,223 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 20:34:53,224 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 35 iterations. [2018-10-26 20:34:53,233 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 20:34:53,617 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:53,620 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-10-26 20:34:53,626 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-10-26 20:34:53,626 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-10-26 20:34:53,627 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:53,627 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:53,627 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:53,627 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:53,628 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:53,628 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-10-26 20:34:53,629 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:53,629 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:53,629 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:53,629 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:53,629 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:53,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 08:34:53 ImpRootNode [2018-10-26 20:34:53,630 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 20:34:53,633 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:34:53,633 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:34:53,634 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:34:53,635 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:34:33" (3/4) ... [2018-10-26 20:34:53,643 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 20:34:53,650 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 20:34:53,651 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 20:34:53,651 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 20:34:53,651 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 20:34:53,652 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 20:34:53,652 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 20:34:53,660 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2018-10-26 20:34:53,661 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-10-26 20:34:53,661 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-10-26 20:34:53,694 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || systemActive == 0) || pumpRunning == \old(pumpRunning) [2018-10-26 20:34:53,695 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && !(systemActive == 0)) || !(0 == pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == methaneLevelCritical)) [2018-10-26 20:34:53,696 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (tmp == methaneLevelCritical || (!(0 == pumpRunning) && !(0 == tmp))) || (!(pumpRunning == \old(pumpRunning)) && !(0 == tmp)) [2018-10-26 20:34:53,769 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_38915793-1666-4fe4-85db-0485917feb52/bin-2019/ukojak/witness.graphml [2018-10-26 20:34:53,770 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:34:53,771 INFO L168 Benchmark]: Toolchain (without parser) took 23039.94 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 375.4 MB). Free memory was 959.8 MB in the beginning and 937.4 MB in the end (delta: 22.4 MB). Peak memory consumption was 397.8 MB. Max. memory is 11.5 GB. [2018-10-26 20:34:53,772 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:34:53,773 INFO L168 Benchmark]: CACSL2BoogieTranslator took 569.56 ms. Allocated memory is still 1.0 GB. Free memory was 959.8 MB in the beginning and 935.5 MB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2018-10-26 20:34:53,773 INFO L168 Benchmark]: Boogie Procedure Inliner took 135.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.3 MB). Free memory was 935.5 MB in the beginning and 1.2 GB in the end (delta: -252.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:34:53,773 INFO L168 Benchmark]: Boogie Preprocessor took 35.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-10-26 20:34:53,774 INFO L168 Benchmark]: RCFGBuilder took 2488.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 94.8 MB). Peak memory consumption was 94.8 MB. Max. memory is 11.5 GB. [2018-10-26 20:34:53,774 INFO L168 Benchmark]: CodeCheck took 19665.11 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.1 MB). Free memory was 1.1 GB in the beginning and 937.4 MB in the end (delta: 152.5 MB). Peak memory consumption was 337.6 MB. Max. memory is 11.5 GB. [2018-10-26 20:34:53,776 INFO L168 Benchmark]: Witness Printer took 137.31 ms. Allocated memory is still 1.4 GB. Free memory is still 937.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:34:53,778 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, 114 locations, 1 error locations. SAFE Result, 19.2s OverallTime, 35 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 386942016 SDtfs, -1044649450 SDslu, 1700901632 SDs, 0 SdLazy, -211876846 SolverSat, 1714887728 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 45.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15901 GetRequests, 15560 SyntacticMatches, 131 SemanticMatches, 210 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16976 ImplicationChecksByTransitivity, 14.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1646 NumberOfCodeBlocks, 1646 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1612 ConstructedInterpolants, 0 QuantifiedInterpolants, 165596 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 34 InterpolantComputations, 22 PerfectInterpolantSequences, 742/784 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 402]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && !(systemActive == 0)) || !(0 == pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= systemActive - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || systemActive == 0) || pumpRunning == \old(pumpRunning) - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: (tmp == methaneLevelCritical || (!(0 == pumpRunning) && !(0 == tmp))) || (!(pumpRunning == \old(pumpRunning)) && !(0 == tmp)) - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 569.56 ms. Allocated memory is still 1.0 GB. Free memory was 959.8 MB in the beginning and 935.5 MB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 135.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.3 MB). Free memory was 935.5 MB in the beginning and 1.2 GB in the end (delta: -252.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2488.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 94.8 MB). Peak memory consumption was 94.8 MB. Max. memory is 11.5 GB. * CodeCheck took 19665.11 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.1 MB). Free memory was 1.1 GB in the beginning and 937.4 MB in the end (delta: 152.5 MB). Peak memory consumption was 337.6 MB. Max. memory is 11.5 GB. * Witness Printer took 137.31 ms. Allocated memory is still 1.4 GB. Free memory is still 937.4 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...