./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bd404cdd-06f6-4fcf-8589-9ec103f03360/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bd404cdd-06f6-4fcf-8589-9ec103f03360/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bd404cdd-06f6-4fcf-8589-9ec103f03360/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bd404cdd-06f6-4fcf-8589-9ec103f03360/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bd404cdd-06f6-4fcf-8589-9ec103f03360/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bd404cdd-06f6-4fcf-8589-9ec103f03360/bin/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 426d9f957077f660214567f7d0d5aaa1a30c29c0 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 12:14:12,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 12:14:12,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 12:14:12,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 12:14:12,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 12:14:12,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 12:14:12,100 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 12:14:12,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 12:14:12,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 12:14:12,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 12:14:12,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 12:14:12,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 12:14:12,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 12:14:12,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 12:14:12,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 12:14:12,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 12:14:12,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 12:14:12,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 12:14:12,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 12:14:12,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 12:14:12,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 12:14:12,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 12:14:12,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 12:14:12,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 12:14:12,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 12:14:12,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 12:14:12,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 12:14:12,116 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 12:14:12,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 12:14:12,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 12:14:12,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 12:14:12,117 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 12:14:12,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 12:14:12,118 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 12:14:12,119 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 12:14:12,119 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 12:14:12,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 12:14:12,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 12:14:12,120 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 12:14:12,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 12:14:12,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 12:14:12,121 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bd404cdd-06f6-4fcf-8589-9ec103f03360/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 12:14:12,130 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 12:14:12,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 12:14:12,131 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 12:14:12,131 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 12:14:12,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 12:14:12,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 12:14:12,132 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 12:14:12,132 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 12:14:12,132 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 12:14:12,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 12:14:12,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 12:14:12,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 12:14:12,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 12:14:12,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 12:14:12,133 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 12:14:12,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 12:14:12,133 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 12:14:12,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 12:14:12,134 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 12:14:12,134 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 12:14:12,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 12:14:12,134 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 12:14:12,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 12:14:12,134 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 12:14:12,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 12:14:12,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 12:14:12,135 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 12:14:12,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 12:14:12,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 12:14:12,135 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_bd404cdd-06f6-4fcf-8589-9ec103f03360/bin/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 -> 426d9f957077f660214567f7d0d5aaa1a30c29c0 [2019-12-01 12:14:12,236 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 12:14:12,246 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 12:14:12,249 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 12:14:12,251 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 12:14:12,251 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 12:14:12,252 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bd404cdd-06f6-4fcf-8589-9ec103f03360/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2019-12-01 12:14:12,290 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bd404cdd-06f6-4fcf-8589-9ec103f03360/bin/ukojak/data/95a929efe/8ef1cedf142a4895b8c1bbfa8ef490af/FLAGf253e3985 [2019-12-01 12:14:12,646 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 12:14:12,647 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bd404cdd-06f6-4fcf-8589-9ec103f03360/sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2019-12-01 12:14:12,656 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bd404cdd-06f6-4fcf-8589-9ec103f03360/bin/ukojak/data/95a929efe/8ef1cedf142a4895b8c1bbfa8ef490af/FLAGf253e3985 [2019-12-01 12:14:12,667 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bd404cdd-06f6-4fcf-8589-9ec103f03360/bin/ukojak/data/95a929efe/8ef1cedf142a4895b8c1bbfa8ef490af [2019-12-01 12:14:12,670 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 12:14:12,671 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 12:14:12,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 12:14:12,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 12:14:12,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 12:14:12,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 12:14:12" (1/1) ... [2019-12-01 12:14:12,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b211215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:14:12, skipping insertion in model container [2019-12-01 12:14:12,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 12:14:12" (1/1) ... [2019-12-01 12:14:12,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 12:14:12,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 12:14:12,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 12:14:12,943 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 12:14:12,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 12:14:13,013 INFO L208 MainTranslator]: Completed translation [2019-12-01 12:14:13,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:14:13 WrapperNode [2019-12-01 12:14:13,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 12:14:13,014 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 12:14:13,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 12:14:13,014 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 12:14:13,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:14:13" (1/1) ... [2019-12-01 12:14:13,032 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:14:13" (1/1) ... [2019-12-01 12:14:13,052 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 12:14:13,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 12:14:13,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 12:14:13,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 12:14:13,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:14:13" (1/1) ... [2019-12-01 12:14:13,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:14:13" (1/1) ... [2019-12-01 12:14:13,062 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:14:13" (1/1) ... [2019-12-01 12:14:13,062 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:14:13" (1/1) ... [2019-12-01 12:14:13,068 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:14:13" (1/1) ... [2019-12-01 12:14:13,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:14:13" (1/1) ... [2019-12-01 12:14:13,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:14:13" (1/1) ... [2019-12-01 12:14:13,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 12:14:13,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 12:14:13,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 12:14:13,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 12:14:13,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:14:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd404cdd-06f6-4fcf-8589-9ec103f03360/bin/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 [2019-12-01 12:14:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 12:14:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-12-01 12:14:13,120 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-12-01 12:14:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-12-01 12:14:13,120 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-12-01 12:14:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-12-01 12:14:13,120 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-12-01 12:14:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-12-01 12:14:13,121 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-12-01 12:14:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-12-01 12:14:13,121 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-12-01 12:14:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-01 12:14:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-12-01 12:14:13,121 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-12-01 12:14:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 12:14:13,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 12:14:13,669 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 12:14:13,669 INFO L287 CfgBuilder]: Removed 42 assume(true) statements. [2019-12-01 12:14:13,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 12:14:13 BoogieIcfgContainer [2019-12-01 12:14:13,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 12:14:13,670 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 12:14:13,670 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 12:14:13,677 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 12:14:13,677 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 12:14:13" (1/1) ... [2019-12-01 12:14:13,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 12:14:13,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:13,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2019-12-01 12:14:13,708 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2019-12-01 12:14:13,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 12:14:13,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:13,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 12:14:13,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:13,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2019-12-01 12:14:13,868 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2019-12-01 12:14:13,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 12:14:13,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:13,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 12:14:13,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:13,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2019-12-01 12:14:13,945 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2019-12-01 12:14:13,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-01 12:14:13,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:14,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 12:14:14,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:14,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 57 states and 78 transitions. [2019-12-01 12:14:14,149 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2019-12-01 12:14:14,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-01 12:14:14,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:14,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 12:14:14,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:14,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 70 states and 105 transitions. [2019-12-01 12:14:14,617 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 105 transitions. [2019-12-01 12:14:14,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-01 12:14:14,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:14,719 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 12:14:15,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:15,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 82 states and 132 transitions. [2019-12-01 12:14:15,308 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 132 transitions. [2019-12-01 12:14:15,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-01 12:14:15,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:15,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 12:14:15,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:15,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 83 states and 135 transitions. [2019-12-01 12:14:15,356 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 135 transitions. [2019-12-01 12:14:15,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-01 12:14:15,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:15,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 12:14:15,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:15,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 84 states and 138 transitions. [2019-12-01 12:14:15,391 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 138 transitions. [2019-12-01 12:14:15,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-01 12:14:15,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:15,425 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 12:14:15,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:15,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 86 states and 141 transitions. [2019-12-01 12:14:15,495 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 141 transitions. [2019-12-01 12:14:15,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-01 12:14:15,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:15,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 12:14:16,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:16,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 99 states and 173 transitions. [2019-12-01 12:14:16,747 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 173 transitions. [2019-12-01 12:14:16,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-01 12:14:16,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:16,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:16,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 12:14:17,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:17,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 104 states and 179 transitions. [2019-12-01 12:14:17,822 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 179 transitions. [2019-12-01 12:14:17,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-01 12:14:17,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:17,843 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 12:14:18,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:18,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 109 states and 191 transitions. [2019-12-01 12:14:18,258 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 191 transitions. [2019-12-01 12:14:18,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-01 12:14:18,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:18,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 12:14:18,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:18,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 110 states and 192 transitions. [2019-12-01 12:14:18,326 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 192 transitions. [2019-12-01 12:14:18,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-01 12:14:18,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:18,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:18,359 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 12:14:18,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:18,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 111 states and 193 transitions. [2019-12-01 12:14:18,374 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 193 transitions. [2019-12-01 12:14:18,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 12:14:18,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:18,446 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-01 12:14:19,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:19,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 116 states and 199 transitions. [2019-12-01 12:14:19,439 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 199 transitions. [2019-12-01 12:14:19,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-01 12:14:19,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:19,535 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 12:14:20,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:20,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 122 states and 213 transitions. [2019-12-01 12:14:20,272 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 213 transitions. [2019-12-01 12:14:20,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 12:14:20,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:20,305 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 12:14:20,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:20,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 123 states and 214 transitions. [2019-12-01 12:14:20,320 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 214 transitions. [2019-12-01 12:14:20,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 12:14:20,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:20,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:20,344 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 12:14:20,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:20,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 127 states and 223 transitions. [2019-12-01 12:14:20,736 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 223 transitions. [2019-12-01 12:14:20,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 12:14:20,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:20,819 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 12:14:23,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:23,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 142 states and 277 transitions. [2019-12-01 12:14:23,286 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 277 transitions. [2019-12-01 12:14:23,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 12:14:23,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:23,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:23,325 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 12:14:23,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:23,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 144 states and 281 transitions. [2019-12-01 12:14:23,539 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 281 transitions. [2019-12-01 12:14:23,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 12:14:23,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:23,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:23,567 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 12:14:23,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:23,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 146 states and 284 transitions. [2019-12-01 12:14:23,818 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 284 transitions. [2019-12-01 12:14:23,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 12:14:23,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:23,835 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 12:14:23,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:23,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 147 states and 285 transitions. [2019-12-01 12:14:23,849 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 285 transitions. [2019-12-01 12:14:23,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 12:14:23,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:23,871 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 12:14:24,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:24,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 148 states and 288 transitions. [2019-12-01 12:14:24,012 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 288 transitions. [2019-12-01 12:14:24,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 12:14:24,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:24,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:24,037 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 12:14:24,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:24,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 149 states and 293 transitions. [2019-12-01 12:14:24,295 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 293 transitions. [2019-12-01 12:14:24,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 12:14:24,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:24,318 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 12:14:24,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:24,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 150 states and 294 transitions. [2019-12-01 12:14:24,333 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 294 transitions. [2019-12-01 12:14:24,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 12:14:24,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:24,354 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 12:14:24,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:24,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 153 states and 297 transitions. [2019-12-01 12:14:24,668 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 297 transitions. [2019-12-01 12:14:24,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 12:14:24,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:24,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:24,684 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 12:14:24,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:24,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 156 states and 303 transitions. [2019-12-01 12:14:24,731 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 303 transitions. [2019-12-01 12:14:24,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 12:14:24,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:24,960 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 12:14:28,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:28,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 168 states and 359 transitions. [2019-12-01 12:14:28,725 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 359 transitions. [2019-12-01 12:14:28,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 12:14:28,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:28,745 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 12:14:30,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:30,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 174 states and 368 transitions. [2019-12-01 12:14:30,099 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 368 transitions. [2019-12-01 12:14:30,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-01 12:14:30,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:30,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:30,392 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 12:14:36,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:36,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 185 states and 416 transitions. [2019-12-01 12:14:36,208 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 416 transitions. [2019-12-01 12:14:36,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-01 12:14:36,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:36,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:36,352 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 12:14:37,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:37,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 191 states and 427 transitions. [2019-12-01 12:14:37,551 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 427 transitions. [2019-12-01 12:14:37,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 12:14:37,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:37,878 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 12:14:39,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:39,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 192 states and 433 transitions. [2019-12-01 12:14:39,879 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 433 transitions. [2019-12-01 12:14:39,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 12:14:39,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:39,897 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 12:14:40,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:40,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 194 states and 440 transitions. [2019-12-01 12:14:40,599 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 440 transitions. [2019-12-01 12:14:40,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 12:14:40,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:40,616 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 12:14:40,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:40,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 194 states and 439 transitions. [2019-12-01 12:14:40,972 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 439 transitions. [2019-12-01 12:14:40,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-01 12:14:40,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:40,989 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-01 12:14:41,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:41,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 197 states and 443 transitions. [2019-12-01 12:14:41,651 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 443 transitions. [2019-12-01 12:14:41,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-01 12:14:41,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:41,668 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-01 12:14:41,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:41,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 198 states and 444 transitions. [2019-12-01 12:14:41,998 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 444 transitions. [2019-12-01 12:14:41,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-01 12:14:41,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:42,021 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 12:14:43,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:43,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 202 states and 450 transitions. [2019-12-01 12:14:43,196 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 450 transitions. [2019-12-01 12:14:43,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-01 12:14:43,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:43,221 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 12:14:43,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:43,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 205 states and 456 transitions. [2019-12-01 12:14:43,563 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 456 transitions. [2019-12-01 12:14:43,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 12:14:43,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:44,134 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 12:14:46,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:46,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 207 states and 468 transitions. [2019-12-01 12:14:46,130 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 468 transitions. [2019-12-01 12:14:46,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 12:14:46,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:46,155 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 12:14:46,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:46,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 209 states and 471 transitions. [2019-12-01 12:14:46,733 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 471 transitions. [2019-12-01 12:14:46,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-01 12:14:46,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:46,839 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 12:14:49,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:49,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 214 states and 482 transitions. [2019-12-01 12:14:49,671 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 482 transitions. [2019-12-01 12:14:49,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-01 12:14:49,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:49,946 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 12:14:51,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:51,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 217 states and 486 transitions. [2019-12-01 12:14:51,160 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 486 transitions. [2019-12-01 12:14:51,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-01 12:14:51,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:51,267 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 12:14:53,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:53,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 222 states and 494 transitions. [2019-12-01 12:14:53,187 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 494 transitions. [2019-12-01 12:14:53,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 12:14:53,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:53,243 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 12:14:55,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:55,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 225 states and 497 transitions. [2019-12-01 12:14:55,019 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 497 transitions. [2019-12-01 12:14:55,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-01 12:14:55,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:55,307 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 12:14:56,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:14:56,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 227 states and 488 transitions. [2019-12-01 12:14:56,424 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 488 transitions. [2019-12-01 12:14:56,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-01 12:14:56,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:14:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:14:56,885 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-01 12:15:00,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:00,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 232 states and 501 transitions. [2019-12-01 12:15:00,662 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 501 transitions. [2019-12-01 12:15:00,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-01 12:15:00,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:00,769 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 12:15:00,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:00,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 233 states and 503 transitions. [2019-12-01 12:15:00,826 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 503 transitions. [2019-12-01 12:15:00,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-01 12:15:00,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:00,941 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 12:15:00,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:00,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 234 states and 504 transitions. [2019-12-01 12:15:00,999 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 504 transitions. [2019-12-01 12:15:01,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-01 12:15:01,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:01,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:01,129 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-01 12:15:04,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:04,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 234 states and 500 transitions. [2019-12-01 12:15:04,410 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 500 transitions. [2019-12-01 12:15:04,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-01 12:15:04,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:04,511 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 12:15:04,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:04,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 235 states and 501 transitions. [2019-12-01 12:15:04,531 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 501 transitions. [2019-12-01 12:15:04,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-01 12:15:04,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:04,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:04,547 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-12-01 12:15:05,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:05,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 235 states and 500 transitions. [2019-12-01 12:15:05,003 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 500 transitions. [2019-12-01 12:15:05,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-01 12:15:05,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:05,020 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-12-01 12:15:06,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:06,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 238 states and 510 transitions. [2019-12-01 12:15:06,264 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 510 transitions. [2019-12-01 12:15:06,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-01 12:15:06,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:06,291 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-12-01 12:15:07,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:07,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 241 states and 521 transitions. [2019-12-01 12:15:07,166 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 521 transitions. [2019-12-01 12:15:07,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-01 12:15:07,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:07,181 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-12-01 12:15:10,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:10,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 245 states and 531 transitions. [2019-12-01 12:15:10,708 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 531 transitions. [2019-12-01 12:15:10,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-01 12:15:10,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:10,739 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-12-01 12:15:11,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:11,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 241 states and 522 transitions. [2019-12-01 12:15:11,161 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 522 transitions. [2019-12-01 12:15:11,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-01 12:15:11,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:11,176 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-12-01 12:15:11,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:11,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 241 states and 519 transitions. [2019-12-01 12:15:11,200 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 519 transitions. [2019-12-01 12:15:11,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-01 12:15:11,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:11,214 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-12-01 12:15:11,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:11,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 239 states and 513 transitions. [2019-12-01 12:15:11,644 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 513 transitions. [2019-12-01 12:15:11,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-01 12:15:11,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:11,658 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-12-01 12:15:11,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:11,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 238 states and 511 transitions. [2019-12-01 12:15:11,678 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 511 transitions. [2019-12-01 12:15:11,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-01 12:15:11,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:11,693 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-12-01 12:15:12,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:12,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 240 states and 514 transitions. [2019-12-01 12:15:12,086 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 514 transitions. [2019-12-01 12:15:12,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-01 12:15:12,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:12,102 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-12-01 12:15:13,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:13,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 243 states and 520 transitions. [2019-12-01 12:15:13,008 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 520 transitions. [2019-12-01 12:15:13,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-01 12:15:13,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:13,025 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-12-01 12:15:13,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:13,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 244 states and 521 transitions. [2019-12-01 12:15:13,503 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 521 transitions. [2019-12-01 12:15:13,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-01 12:15:13,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:13,518 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-12-01 12:15:14,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:14,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 245 states and 522 transitions. [2019-12-01 12:15:14,143 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 522 transitions. [2019-12-01 12:15:14,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-01 12:15:14,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:14,173 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-12-01 12:15:14,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:14,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 241 states and 513 transitions. [2019-12-01 12:15:14,615 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 513 transitions. [2019-12-01 12:15:14,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-01 12:15:14,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:14,631 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-12-01 12:15:14,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:14,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 240 states and 508 transitions. [2019-12-01 12:15:14,658 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 508 transitions. [2019-12-01 12:15:14,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-12-01 12:15:14,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:14,674 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 34 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-01 12:15:15,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:15,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 241 states and 508 transitions. [2019-12-01 12:15:15,156 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 508 transitions. [2019-12-01 12:15:15,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-12-01 12:15:15,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:15,172 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 34 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-01 12:15:16,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:16,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 244 states and 512 transitions. [2019-12-01 12:15:16,318 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 512 transitions. [2019-12-01 12:15:16,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-12-01 12:15:16,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:16,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:16,337 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-01 12:15:24,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:24,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 256 states and 565 transitions. [2019-12-01 12:15:24,004 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 565 transitions. [2019-12-01 12:15:24,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-12-01 12:15:24,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:24,022 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-01 12:15:24,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:24,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 258 states and 576 transitions. [2019-12-01 12:15:24,590 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 576 transitions. [2019-12-01 12:15:24,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-12-01 12:15:24,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:24,609 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-01 12:15:26,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:26,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 261 states and 600 transitions. [2019-12-01 12:15:26,045 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 600 transitions. [2019-12-01 12:15:26,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-01 12:15:26,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:26,061 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-12-01 12:15:26,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:26,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 261 states and 595 transitions. [2019-12-01 12:15:26,131 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 595 transitions. [2019-12-01 12:15:26,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-01 12:15:26,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:26,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:26,148 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-12-01 12:15:26,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:26,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 263 states and 598 transitions. [2019-12-01 12:15:26,754 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 598 transitions. [2019-12-01 12:15:26,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-12-01 12:15:26,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:26,773 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-01 12:15:30,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:30,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 265 states and 607 transitions. [2019-12-01 12:15:30,831 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 607 transitions. [2019-12-01 12:15:30,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-12-01 12:15:30,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:30,856 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-01 12:15:31,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:31,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 267 states and 609 transitions. [2019-12-01 12:15:31,315 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 609 transitions. [2019-12-01 12:15:31,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-01 12:15:31,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:31,333 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-12-01 12:15:32,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:32,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 269 states and 613 transitions. [2019-12-01 12:15:32,155 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 613 transitions. [2019-12-01 12:15:32,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-01 12:15:32,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:34,006 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 30 proven. 6 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 12:15:48,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:48,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 278 states and 650 transitions. [2019-12-01 12:15:48,604 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 650 transitions. [2019-12-01 12:15:48,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-01 12:15:48,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:48,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:48,702 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 30 proven. 6 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 12:15:49,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:49,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 280 states and 651 transitions. [2019-12-01 12:15:49,274 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 651 transitions. [2019-12-01 12:15:49,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-12-01 12:15:49,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:49,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:49,293 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-01 12:15:50,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:50,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 282 states and 658 transitions. [2019-12-01 12:15:50,598 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 658 transitions. [2019-12-01 12:15:50,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-01 12:15:50,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:50,701 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 30 proven. 6 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 12:15:51,572 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 24 [2019-12-01 12:15:54,528 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 22 [2019-12-01 12:15:55,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:55,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 287 states and 656 transitions. [2019-12-01 12:15:55,734 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 656 transitions. [2019-12-01 12:15:55,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-12-01 12:15:55,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:55,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:55,753 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-01 12:15:56,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:56,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 284 states and 648 transitions. [2019-12-01 12:15:56,284 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 648 transitions. [2019-12-01 12:15:56,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-12-01 12:15:56,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:56,306 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-01 12:15:58,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:58,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 289 states and 658 transitions. [2019-12-01 12:15:58,818 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 658 transitions. [2019-12-01 12:15:58,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-12-01 12:15:58,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:58,837 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-01 12:15:59,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:15:59,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 291 states and 659 transitions. [2019-12-01 12:15:59,729 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 659 transitions. [2019-12-01 12:15:59,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-01 12:15:59,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:15:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:15:59,745 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 38 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-12-01 12:16:02,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:16:02,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 294 states and 662 transitions. [2019-12-01 12:16:02,072 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 662 transitions. [2019-12-01 12:16:02,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-01 12:16:02,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:16:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:16:02,102 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-12-01 12:16:04,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:16:04,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 295 states and 665 transitions. [2019-12-01 12:16:04,415 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 665 transitions. [2019-12-01 12:16:04,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-01 12:16:04,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:16:04,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:16:04,443 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-12-01 12:16:07,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:16:07,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 295 states and 664 transitions. [2019-12-01 12:16:07,129 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 664 transitions. [2019-12-01 12:16:07,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-01 12:16:07,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:16:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:16:07,152 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-12-01 12:16:08,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:16:08,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 295 states and 663 transitions. [2019-12-01 12:16:08,402 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 663 transitions. [2019-12-01 12:16:08,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-01 12:16:08,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:16:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:16:08,421 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-12-01 12:16:10,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:16:10,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 268 states and 544 transitions. [2019-12-01 12:16:10,591 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 544 transitions. [2019-12-01 12:16:10,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-12-01 12:16:10,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:16:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:16:10,626 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-12-01 12:16:11,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:16:11,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 271 states and 550 transitions. [2019-12-01 12:16:11,846 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 550 transitions. [2019-12-01 12:16:11,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-12-01 12:16:11,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:16:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:16:11,873 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-12-01 12:16:11,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:16:11,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 271 states and 549 transitions. [2019-12-01 12:16:11,902 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 549 transitions. [2019-12-01 12:16:11,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-12-01 12:16:11,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:16:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:16:11,921 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-12-01 12:16:14,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:16:14,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 265 states and 537 transitions. [2019-12-01 12:16:14,073 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 537 transitions. [2019-12-01 12:16:14,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-12-01 12:16:14,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:16:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:16:14,099 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-12-01 12:16:14,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:16:14,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 261 states and 524 transitions. [2019-12-01 12:16:14,129 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 524 transitions. [2019-12-01 12:16:14,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-12-01 12:16:14,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:16:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:16:14,149 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-12-01 12:16:14,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:16:14,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 259 states and 519 transitions. [2019-12-01 12:16:14,182 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 519 transitions. [2019-12-01 12:16:14,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-12-01 12:16:14,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:16:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:16:14,200 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-12-01 12:16:14,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:16:14,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 256 states and 509 transitions. [2019-12-01 12:16:14,228 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 509 transitions. [2019-12-01 12:16:14,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-12-01 12:16:14,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:16:14,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:16:14,247 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2019-12-01 12:16:14,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:16:14,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 202 states and 368 transitions. [2019-12-01 12:16:14,353 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 368 transitions. [2019-12-01 12:16:14,353 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 12:16:14,354 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 93 iterations. [2019-12-01 12:16:14,360 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 12:16:15,043 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 39 [2019-12-01 12:16:15,177 INFO L569 CodeCheckObserver]: Invariant with dag size 30 [2019-12-01 12:16:15,185 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-12-01 12:16:15,185 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 12:16:15,185 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 12:16:15,185 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 12:16:15,185 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 12:16:15,185 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 12:16:15,185 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 12:16:15,186 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-12-01 12:16:15,186 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 12:16:15,186 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 12:16:15,186 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 12:16:15,186 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 12:16:15,186 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2019-12-01 12:16:15,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 12:16:15 ImpRootNode [2019-12-01 12:16:15,186 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 12:16:15,187 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 12:16:15,187 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 12:16:15,187 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 12:16:15,187 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 12:14:13" (3/4) ... [2019-12-01 12:16:15,189 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 12:16:15,193 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-12-01 12:16:15,193 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-12-01 12:16:15,193 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-12-01 12:16:15,193 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-12-01 12:16:15,193 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-12-01 12:16:15,193 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2019-12-01 12:16:15,199 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2019-12-01 12:16:15,199 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-12-01 12:16:15,199 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-12-01 12:16:15,200 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 12:16:15,200 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 12:16:15,200 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 12:16:15,201 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 12:16:15,220 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(waterLevel <= \old(waterLevel) && \old(waterLevel) <= waterLevel) && 1 == waterLevel) && pumpRunning == 0) || ((pumpRunning == switchedOnBeforeTS && 2 <= waterLevel) && pumpRunning == 0)) || (!(1 == waterLevel || !(pumpRunning == 0)) && !(2 <= waterLevel && waterLevel <= 2))) || (pumpRunning == switchedOnBeforeTS && !(0 == systemActive))) || ((1 == waterLevel && pumpRunning == 0) && !(0 == systemActive)) [2019-12-01 12:16:15,248 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bd404cdd-06f6-4fcf-8589-9ec103f03360/bin/ukojak/witness.graphml [2019-12-01 12:16:15,248 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 12:16:15,249 INFO L168 Benchmark]: Toolchain (without parser) took 122577.86 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 336.6 MB). Free memory was 942.5 MB in the beginning and 974.0 MB in the end (delta: -31.5 MB). Peak memory consumption was 305.1 MB. Max. memory is 11.5 GB. [2019-12-01 12:16:15,249 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 12:16:15,249 INFO L168 Benchmark]: CACSL2BoogieTranslator took 341.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 937.2 MB in the beginning and 1.1 GB in the end (delta: -152.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-01 12:16:15,250 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 12:16:15,250 INFO L168 Benchmark]: Boogie Preprocessor took 23.39 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 12:16:15,250 INFO L168 Benchmark]: RCFGBuilder took 593.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.7 MB). Peak memory consumption was 76.7 MB. Max. memory is 11.5 GB. [2019-12-01 12:16:15,251 INFO L168 Benchmark]: CodeCheck took 121516.47 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 230.2 MB). Free memory was 1.0 GB in the beginning and 987.1 MB in the end (delta: 20.3 MB). Peak memory consumption was 250.4 MB. Max. memory is 11.5 GB. [2019-12-01 12:16:15,251 INFO L168 Benchmark]: Witness Printer took 61.10 ms. Allocated memory is still 1.4 GB. Free memory was 987.1 MB in the beginning and 974.0 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2019-12-01 12:16:15,253 INFO L335 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, 49 locations, 1 error locations. Result: SAFE, OverallTime: 120.6s, OverallIterations: 93, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 156966968 SDtfs, -211174472 SDslu, 1994402232 SDs, 0 SdLazy, -2136220420 SolverSat, 1486265400 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 131.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 72538 GetRequests, 70943 SyntacticMatches, 787 SemanticMatches, 808 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333246 ImplicationChecksByTransitivity, 113.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 5174 NumberOfCodeBlocks, 5174 NumberOfCodeBlocksAsserted, 92 NumberOfCheckSat, 5082 ConstructedInterpolants, 0 QuantifiedInterpolants, 639324 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 92 InterpolantComputations, 67 PerfectInterpolantSequences, 3315/3431 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 44]: 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: 770]: Loop Invariant Derived loop invariant: (((((!(waterLevel <= \old(waterLevel) && \old(waterLevel) <= waterLevel) && 1 == waterLevel) && pumpRunning == 0) || ((pumpRunning == switchedOnBeforeTS && 2 <= waterLevel) && pumpRunning == 0)) || (!(1 == waterLevel || !(pumpRunning == 0)) && !(2 <= waterLevel && waterLevel <= 2))) || (pumpRunning == switchedOnBeforeTS && !(0 == systemActive))) || ((1 == waterLevel && pumpRunning == 0) && !(0 == systemActive)) - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: pumpRunning == aux-isPumpRunning()-aux - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: pumpRunning == switchedOnBeforeTS - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 1 == waterLevel && pumpRunning == 0 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 341.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 937.2 MB in the beginning and 1.1 GB in the end (delta: -152.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.39 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 593.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.7 MB). Peak memory consumption was 76.7 MB. Max. memory is 11.5 GB. * CodeCheck took 121516.47 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 230.2 MB). Free memory was 1.0 GB in the beginning and 987.1 MB in the end (delta: 20.3 MB). Peak memory consumption was 250.4 MB. Max. memory is 11.5 GB. * Witness Printer took 61.10 ms. Allocated memory is still 1.4 GB. Free memory was 987.1 MB in the beginning and 974.0 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...