./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product17_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_eda83505-8a3a-41e8-8bcf-0f600ce4c351/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eda83505-8a3a-41e8-8bcf-0f600ce4c351/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eda83505-8a3a-41e8-8bcf-0f600ce4c351/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eda83505-8a3a-41e8-8bcf-0f600ce4c351/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product17_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_eda83505-8a3a-41e8-8bcf-0f600ce4c351/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eda83505-8a3a-41e8-8bcf-0f600ce4c351/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 378658c69b6f2d1e1a968cdc968a143bcf4b9c50 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 00:12:18,584 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:12:18,585 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:12:18,593 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:12:18,593 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:12:18,594 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:12:18,594 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:12:18,595 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:12:18,596 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:12:18,596 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:12:18,597 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:12:18,597 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:12:18,597 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:12:18,598 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:12:18,598 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:12:18,599 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:12:18,599 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:12:18,601 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:12:18,602 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:12:18,602 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:12:18,603 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:12:18,604 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:12:18,606 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:12:18,606 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:12:18,606 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:12:18,607 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:12:18,607 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:12:18,607 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:12:18,608 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:12:18,608 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:12:18,608 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:12:18,609 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:12:18,609 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:12:18,609 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:12:18,609 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:12:18,610 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:12:18,610 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_eda83505-8a3a-41e8-8bcf-0f600ce4c351/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 00:12:18,617 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:12:18,617 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:12:18,618 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:12:18,618 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 00:12:18,618 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 00:12:18,618 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 00:12:18,619 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:12:18,619 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:12:18,619 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:12:18,619 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:12:18,619 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:12:18,619 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:12:18,620 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:12:18,620 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:12:18,620 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:12:18,620 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:12:18,620 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:12:18,620 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:12:18,620 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 00:12:18,621 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 00:12:18,621 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:12:18,621 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:12:18,621 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 00:12:18,621 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:12:18,622 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:12:18,622 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:12:18,622 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 00:12:18,622 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:12:18,622 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:12:18,622 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_eda83505-8a3a-41e8-8bcf-0f600ce4c351/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 -> 378658c69b6f2d1e1a968cdc968a143bcf4b9c50 [2018-12-09 00:12:18,645 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:12:18,651 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:12:18,653 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:12:18,654 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:12:18,654 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:12:18,655 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eda83505-8a3a-41e8-8bcf-0f600ce4c351/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product17_true-unreach-call_false-termination.cil.c [2018-12-09 00:12:18,688 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eda83505-8a3a-41e8-8bcf-0f600ce4c351/bin-2019/ukojak/data/fd7903b0b/a290885b580940bbbfe8356cec35ed30/FLAG160c631c1 [2018-12-09 00:12:19,049 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:12:19,049 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eda83505-8a3a-41e8-8bcf-0f600ce4c351/sv-benchmarks/c/product-lines/minepump_spec4_product17_true-unreach-call_false-termination.cil.c [2018-12-09 00:12:19,056 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eda83505-8a3a-41e8-8bcf-0f600ce4c351/bin-2019/ukojak/data/fd7903b0b/a290885b580940bbbfe8356cec35ed30/FLAG160c631c1 [2018-12-09 00:12:19,425 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eda83505-8a3a-41e8-8bcf-0f600ce4c351/bin-2019/ukojak/data/fd7903b0b/a290885b580940bbbfe8356cec35ed30 [2018-12-09 00:12:19,427 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:12:19,428 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:12:19,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:12:19,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:12:19,431 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:12:19,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:12:19" (1/1) ... [2018-12-09 00:12:19,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67523692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:12:19, skipping insertion in model container [2018-12-09 00:12:19,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:12:19" (1/1) ... [2018-12-09 00:12:19,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:12:19,458 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:12:19,606 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:12:19,613 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:12:19,710 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:12:19,730 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:12:19,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:12:19 WrapperNode [2018-12-09 00:12:19,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:12:19,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:12:19,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:12:19,731 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:12:19,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:12:19" (1/1) ... [2018-12-09 00:12:19,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:12:19" (1/1) ... [2018-12-09 00:12:19,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:12:19,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:12:19,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:12:19,762 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:12:19,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:12:19" (1/1) ... [2018-12-09 00:12:19,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:12:19" (1/1) ... [2018-12-09 00:12:19,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:12:19" (1/1) ... [2018-12-09 00:12:19,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:12:19" (1/1) ... [2018-12-09 00:12:19,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:12:19" (1/1) ... [2018-12-09 00:12:19,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:12:19" (1/1) ... [2018-12-09 00:12:19,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:12:19" (1/1) ... [2018-12-09 00:12:19,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:12:19,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:12:19,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:12:19,780 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:12:19,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:12:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eda83505-8a3a-41e8-8bcf-0f600ce4c351/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 00:12:19,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 00:12:19,816 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 00:12:19,816 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 00:12:19,816 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 00:12:19,816 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 00:12:19,816 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 00:12:19,816 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 00:12:19,817 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 00:12:19,817 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 00:12:19,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 00:12:19,817 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 00:12:19,817 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 00:12:19,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:12:19,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:12:20,223 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:12:20,223 INFO L280 CfgBuilder]: Removed 36 assue(true) statements. [2018-12-09 00:12:20,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:12:20 BoogieIcfgContainer [2018-12-09 00:12:20,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:12:20,224 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 00:12:20,224 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 00:12:20,233 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 00:12:20,233 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:12:20" (1/1) ... [2018-12-09 00:12:20,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:12:20,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:20,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 56 transitions. [2018-12-09 00:12:20,269 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2018-12-09 00:12:20,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 00:12:20,272 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:20,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:12:20,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:20,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 42 states and 54 transitions. [2018-12-09 00:12:20,414 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2018-12-09 00:12:20,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 00:12:20,414 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:20,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:12:20,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:20,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 57 transitions. [2018-12-09 00:12:20,474 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2018-12-09 00:12:20,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 00:12:20,475 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:20,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:12:20,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:20,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 53 states and 75 transitions. [2018-12-09 00:12:20,603 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2018-12-09 00:12:20,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 00:12:20,604 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:20,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:12:20,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:20,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 54 states and 76 transitions. [2018-12-09 00:12:20,643 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2018-12-09 00:12:20,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 00:12:20,643 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:20,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:12:20,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:20,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 64 states and 97 transitions. [2018-12-09 00:12:20,844 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 97 transitions. [2018-12-09 00:12:20,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 00:12:20,845 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:20,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:12:20,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:20,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 65 states and 98 transitions. [2018-12-09 00:12:20,880 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 98 transitions. [2018-12-09 00:12:20,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 00:12:20,880 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:20,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:12:21,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:21,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 78 states and 129 transitions. [2018-12-09 00:12:21,244 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 129 transitions. [2018-12-09 00:12:21,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 00:12:21,244 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:21,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:12:21,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:21,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 79 states and 130 transitions. [2018-12-09 00:12:21,268 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 130 transitions. [2018-12-09 00:12:21,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 00:12:21,269 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:21,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:12:21,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:21,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 80 states and 131 transitions. [2018-12-09 00:12:21,298 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 131 transitions. [2018-12-09 00:12:21,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 00:12:21,299 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:21,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:12:21,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:21,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 83 states and 135 transitions. [2018-12-09 00:12:21,513 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 135 transitions. [2018-12-09 00:12:21,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 00:12:21,515 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:21,545 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:12:21,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:21,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 89 states and 147 transitions. [2018-12-09 00:12:21,668 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 147 transitions. [2018-12-09 00:12:21,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 00:12:21,669 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:21,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:21,688 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:12:21,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:21,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 90 states and 150 transitions. [2018-12-09 00:12:21,761 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 150 transitions. [2018-12-09 00:12:21,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 00:12:21,762 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:21,775 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:12:21,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:21,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 94 states and 157 transitions. [2018-12-09 00:12:21,872 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 157 transitions. [2018-12-09 00:12:21,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 00:12:21,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:21,888 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:12:21,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:21,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 95 states and 158 transitions. [2018-12-09 00:12:21,904 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 158 transitions. [2018-12-09 00:12:21,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 00:12:21,905 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:21,962 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:12:22,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:22,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 108 states and 184 transitions. [2018-12-09 00:12:22,345 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 184 transitions. [2018-12-09 00:12:22,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 00:12:22,346 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:22,360 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 00:12:22,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:22,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 109 states and 185 transitions. [2018-12-09 00:12:22,367 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 185 transitions. [2018-12-09 00:12:22,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 00:12:22,368 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:22,381 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:12:22,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:22,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 110 states and 186 transitions. [2018-12-09 00:12:22,388 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 186 transitions. [2018-12-09 00:12:22,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 00:12:22,389 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:22,444 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 00:12:22,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:22,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 116 states and 209 transitions. [2018-12-09 00:12:22,972 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 209 transitions. [2018-12-09 00:12:22,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 00:12:22,972 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:22,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:22,986 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 00:12:23,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:23,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 125 states and 232 transitions. [2018-12-09 00:12:23,206 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 232 transitions. [2018-12-09 00:12:23,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 00:12:23,207 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:23,226 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 00:12:23,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:23,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 125 states and 228 transitions. [2018-12-09 00:12:23,326 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 228 transitions. [2018-12-09 00:12:23,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-09 00:12:23,327 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:23,711 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 00:12:25,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:25,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 137 states and 261 transitions. [2018-12-09 00:12:25,147 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 261 transitions. [2018-12-09 00:12:25,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-09 00:12:25,148 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:25,424 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 00:12:26,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:26,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 145 states and 283 transitions. [2018-12-09 00:12:26,712 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 283 transitions. [2018-12-09 00:12:26,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 00:12:26,713 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:26,729 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 00:12:26,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:26,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 146 states and 284 transitions. [2018-12-09 00:12:26,748 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 284 transitions. [2018-12-09 00:12:26,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 00:12:26,749 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:26,769 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 00:12:26,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:26,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 147 states and 285 transitions. [2018-12-09 00:12:26,784 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 285 transitions. [2018-12-09 00:12:26,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 00:12:26,785 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:26,808 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 00:12:26,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:26,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 148 states and 286 transitions. [2018-12-09 00:12:26,829 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 286 transitions. [2018-12-09 00:12:26,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 00:12:26,830 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:26,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:26,847 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 00:12:26,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:26,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 138 states and 265 transitions. [2018-12-09 00:12:26,858 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 265 transitions. [2018-12-09 00:12:26,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 00:12:26,858 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:26,869 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 00:12:27,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:27,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 142 states and 272 transitions. [2018-12-09 00:12:27,070 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 272 transitions. [2018-12-09 00:12:27,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 00:12:27,071 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:27,089 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 00:12:27,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:27,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 140 states and 268 transitions. [2018-12-09 00:12:27,119 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 268 transitions. [2018-12-09 00:12:27,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 00:12:27,120 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:27,131 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 00:12:27,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:27,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 138 states and 261 transitions. [2018-12-09 00:12:27,151 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 261 transitions. [2018-12-09 00:12:27,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 00:12:27,151 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:27,162 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 00:12:27,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:27,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 129 states and 244 transitions. [2018-12-09 00:12:27,328 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 244 transitions. [2018-12-09 00:12:27,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 00:12:27,329 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:27,346 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-09 00:12:27,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:27,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 129 states and 242 transitions. [2018-12-09 00:12:27,696 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 242 transitions. [2018-12-09 00:12:27,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 00:12:27,696 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:27,710 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-09 00:12:28,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:28,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 133 states and 247 transitions. [2018-12-09 00:12:28,365 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 247 transitions. [2018-12-09 00:12:28,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 00:12:28,366 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:28,379 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-09 00:12:28,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:28,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 133 states and 243 transitions. [2018-12-09 00:12:28,652 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 243 transitions. [2018-12-09 00:12:28,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 00:12:28,653 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:12:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:12:28,670 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-09 00:12:28,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:12:28,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 73 states and 110 transitions. [2018-12-09 00:12:28,926 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 110 transitions. [2018-12-09 00:12:28,926 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 00:12:28,927 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 35 iterations. [2018-12-09 00:12:28,932 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 00:12:29,163 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 00:12:29,165 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 00:12:29,165 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 00:12:29,165 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 00:12:29,165 INFO L583 CodeCheckObserver]: Invariant with dag size 18 [2018-12-09 00:12:29,168 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 00:12:29,168 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 00:12:29,168 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 00:12:29,168 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-09 00:12:29,168 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 00:12:29,168 INFO L583 CodeCheckObserver]: Invariant with dag size 19 [2018-12-09 00:12:29,169 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 00:12:29,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 12:12:29 ImpRootNode [2018-12-09 00:12:29,169 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 00:12:29,170 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:12:29,170 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:12:29,170 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:12:29,170 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:12:20" (3/4) ... [2018-12-09 00:12:29,172 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 00:12:29,176 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 00:12:29,176 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 00:12:29,176 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 00:12:29,176 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 00:12:29,176 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 00:12:29,179 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2018-12-09 00:12:29,180 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 00:12:29,180 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 00:12:29,180 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 00:12:29,180 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 00:12:29,180 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 00:12:29,196 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == pumpRunning) || (pumpRunning == \old(pumpRunning) && waterLevel == \old(waterLevel))) || (pumpRunning == \old(pumpRunning) && systemActive == waterLevel)) || (!(systemActive == 1) && pumpRunning == \old(pumpRunning))) || 0 == systemActive [2018-12-09 00:12:29,197 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(!(0 == \old(pumpRunning)) || !(waterLevel == 0)) || !(0 == pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) [2018-12-09 00:12:29,213 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_eda83505-8a3a-41e8-8bcf-0f600ce4c351/bin-2019/ukojak/witness.graphml [2018-12-09 00:12:29,213 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:12:29,214 INFO L168 Benchmark]: Toolchain (without parser) took 9786.79 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 458.8 MB). Free memory was 950.6 MB in the beginning and 1.4 GB in the end (delta: -478.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:12:29,215 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:12:29,215 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-12-09 00:12:29,215 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:12:29,215 INFO L168 Benchmark]: Boogie Preprocessor took 17.50 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-09 00:12:29,215 INFO L168 Benchmark]: RCFGBuilder took 443.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 71.8 MB). Peak memory consumption was 71.8 MB. Max. memory is 11.5 GB. [2018-12-09 00:12:29,215 INFO L168 Benchmark]: CodeCheck took 8945.59 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 308.3 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -372.9 MB). Peak memory consumption was 475.2 MB. Max. memory is 11.5 GB. [2018-12-09 00:12:29,216 INFO L168 Benchmark]: Witness Printer took 43.99 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:12:29,216 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 6 procedures, 61 locations, 1 error locations. SAFE Result, 8.6s OverallTime, 35 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1075373936 SDtfs, 723063638 SDslu, 1331132496 SDs, 0 SdLazy, -421905950 SolverSat, 1372661760 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12951 GetRequests, 12601 SyntacticMatches, 108 SemanticMatches, 242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26955 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1208 NumberOfCodeBlocks, 1208 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1174 ConstructedInterpolants, 0 QuantifiedInterpolants, 115481 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 34 InterpolantComputations, 24 PerfectInterpolantSequences, 468/513 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: 177]: 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: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (!(!(0 == \old(pumpRunning)) || !(waterLevel == 0)) || !(0 == pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: (0 == pumpRunning && systemActive == 1) && systemActive == waterLevel - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: (((!(0 == pumpRunning) || (pumpRunning == \old(pumpRunning) && waterLevel == \old(waterLevel))) || (pumpRunning == \old(pumpRunning) && systemActive == waterLevel)) || (!(systemActive == 1) && pumpRunning == \old(pumpRunning))) || 0 == systemActive - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 302.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.50 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 443.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 71.8 MB). Peak memory consumption was 71.8 MB. Max. memory is 11.5 GB. * CodeCheck took 8945.59 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 308.3 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -372.9 MB). Peak memory consumption was 475.2 MB. Max. memory is 11.5 GB. * Witness Printer took 43.99 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...