./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e43db0e7-6feb-4bc7-88be-e300740394d5/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e43db0e7-6feb-4bc7-88be-e300740394d5/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e43db0e7-6feb-4bc7-88be-e300740394d5/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e43db0e7-6feb-4bc7-88be-e300740394d5/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e43db0e7-6feb-4bc7-88be-e300740394d5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e43db0e7-6feb-4bc7-88be-e300740394d5/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 920725b4778fe7902e2cc2a93ab39c30358d9d16 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:42:46,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:42:46,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:42:46,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:42:46,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:42:46,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:42:46,114 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:42:46,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:42:46,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:42:46,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:42:46,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:42:46,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:42:46,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:42:46,139 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:42:46,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:42:46,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:42:46,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:42:46,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:42:46,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:42:46,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:42:46,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:42:46,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:42:46,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:42:46,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:42:46,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:42:46,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:42:46,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:42:46,169 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:42:46,169 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:42:46,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:42:46,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:42:46,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:42:46,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:42:46,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:42:46,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:42:46,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:42:46,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:42:46,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:42:46,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:42:46,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:42:46,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:42:46,180 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e43db0e7-6feb-4bc7-88be-e300740394d5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 10:42:46,210 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:42:46,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:42:46,213 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 10:42:46,213 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 10:42:46,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:42:46,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:42:46,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:42:46,215 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:42:46,215 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:42:46,216 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:42:46,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:42:46,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:42:46,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:42:46,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:42:46,218 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:42:46,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:42:46,219 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:42:46,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:42:46,219 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 10:42:46,219 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 10:42:46,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:42:46,220 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:42:46,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 10:42:46,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:42:46,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:42:46,221 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:42:46,222 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 10:42:46,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:42:46,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:42:46,222 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_e43db0e7-6feb-4bc7-88be-e300740394d5/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 -> 920725b4778fe7902e2cc2a93ab39c30358d9d16 [2019-11-20 10:42:46,446 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:42:46,459 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:42:46,463 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:42:46,464 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:42:46,465 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:42:46,466 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e43db0e7-6feb-4bc7-88be-e300740394d5/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2019-11-20 10:42:46,529 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e43db0e7-6feb-4bc7-88be-e300740394d5/bin/ukojak/data/e7247e0e7/162b0290c8974d5ba89416d1c119ae5b/FLAGaebcca84a [2019-11-20 10:42:47,085 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:42:47,093 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e43db0e7-6feb-4bc7-88be-e300740394d5/sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2019-11-20 10:42:47,109 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e43db0e7-6feb-4bc7-88be-e300740394d5/bin/ukojak/data/e7247e0e7/162b0290c8974d5ba89416d1c119ae5b/FLAGaebcca84a [2019-11-20 10:42:47,332 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e43db0e7-6feb-4bc7-88be-e300740394d5/bin/ukojak/data/e7247e0e7/162b0290c8974d5ba89416d1c119ae5b [2019-11-20 10:42:47,336 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:42:47,338 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:42:47,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:42:47,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:42:47,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:42:47,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:42:47" (1/1) ... [2019-11-20 10:42:47,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ade7115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:47, skipping insertion in model container [2019-11-20 10:42:47,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:42:47" (1/1) ... [2019-11-20 10:42:47,361 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:42:47,436 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:42:47,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:42:47,862 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:42:47,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:42:48,002 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:42:48,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:48 WrapperNode [2019-11-20 10:42:48,003 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:42:48,005 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:42:48,005 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:42:48,005 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:42:48,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:48" (1/1) ... [2019-11-20 10:42:48,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:48" (1/1) ... [2019-11-20 10:42:48,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:42:48,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:42:48,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:42:48,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:42:48,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:48" (1/1) ... [2019-11-20 10:42:48,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:48" (1/1) ... [2019-11-20 10:42:48,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:48" (1/1) ... [2019-11-20 10:42:48,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:48" (1/1) ... [2019-11-20 10:42:48,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:48" (1/1) ... [2019-11-20 10:42:48,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:48" (1/1) ... [2019-11-20 10:42:48,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:48" (1/1) ... [2019-11-20 10:42:48,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:42:48,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:42:48,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:42:48,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:42:48,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e43db0e7-6feb-4bc7-88be-e300740394d5/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 [2019-11-20 10:42:48,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 10:42:48,220 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-20 10:42:48,220 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-20 10:42:48,221 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-20 10:42:48,221 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-20 10:42:48,221 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-20 10:42:48,221 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-20 10:42:48,221 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-20 10:42:48,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-20 10:42:48,222 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-20 10:42:48,222 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-20 10:42:48,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 10:42:48,222 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-20 10:42:48,222 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-20 10:42:48,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:42:48,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:42:49,489 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:42:49,489 INFO L285 CfgBuilder]: Removed 34 assume(true) statements. [2019-11-20 10:42:49,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:42:49 BoogieIcfgContainer [2019-11-20 10:42:49,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:42:49,492 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 10:42:49,492 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 10:42:49,505 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 10:42:49,505 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:42:49" (1/1) ... [2019-11-20 10:42:49,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:42:49,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:42:49,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2019-11-20 10:42:49,570 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2019-11-20 10:42:49,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 10:42:49,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:42:49,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:42:49,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:42:49,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:42:49,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 46 states and 58 transitions. [2019-11-20 10:42:49,924 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2019-11-20 10:42:49,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 10:42:49,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:42:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:42:50,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:42:50,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:42:50,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2019-11-20 10:42:50,072 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2019-11-20 10:42:50,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 10:42:50,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:42:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:42:50,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:42:50,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:42:50,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 57 states and 79 transitions. [2019-11-20 10:42:50,360 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2019-11-20 10:42:50,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 10:42:50,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:42:50,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:42:50,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:42:50,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:42:50,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 67 states and 100 transitions. [2019-11-20 10:42:50,868 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 100 transitions. [2019-11-20 10:42:50,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 10:42:50,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:42:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:42:50,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:42:50,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:42:50,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 68 states and 101 transitions. [2019-11-20 10:42:50,958 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 101 transitions. [2019-11-20 10:42:50,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 10:42:50,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:42:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:42:51,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:42:51,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:42:51,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 69 states and 102 transitions. [2019-11-20 10:42:51,034 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 102 transitions. [2019-11-20 10:42:51,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 10:42:51,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:42:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:42:51,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:42:51,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:42:51,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 70 states and 103 transitions. [2019-11-20 10:42:51,136 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 103 transitions. [2019-11-20 10:42:51,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 10:42:51,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:42:51,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:42:51,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:42:51,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:42:51,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 71 states and 104 transitions. [2019-11-20 10:42:51,226 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2019-11-20 10:42:51,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 10:42:51,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:42:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:42:51,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:42:52,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:42:52,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 86 states and 135 transitions. [2019-11-20 10:42:52,231 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 135 transitions. [2019-11-20 10:42:52,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 10:42:52,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:42:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:42:52,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:42:52,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:42:52,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 87 states and 136 transitions. [2019-11-20 10:42:52,319 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 136 transitions. [2019-11-20 10:42:52,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 10:42:52,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:42:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:42:52,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:42:52,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:42:52,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 92 states and 143 transitions. [2019-11-20 10:42:52,937 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 143 transitions. [2019-11-20 10:42:52,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 10:42:52,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:42:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:42:53,058 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:42:53,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:42:53,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 98 states and 155 transitions. [2019-11-20 10:42:53,428 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 155 transitions. [2019-11-20 10:42:53,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 10:42:53,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:42:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:42:53,480 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:42:53,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:42:53,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 96 states and 151 transitions. [2019-11-20 10:42:53,513 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 151 transitions. [2019-11-20 10:42:53,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 10:42:53,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:42:53,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:42:54,084 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 10:42:55,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:42:55,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 103 states and 170 transitions. [2019-11-20 10:42:55,464 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 170 transitions. [2019-11-20 10:42:55,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 10:42:55,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:42:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:42:55,503 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:42:55,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:42:55,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 112 states and 188 transitions. [2019-11-20 10:42:55,994 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 188 transitions. [2019-11-20 10:42:55,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 10:42:55,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:42:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:42:56,044 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:42:56,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:42:56,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 114 states and 192 transitions. [2019-11-20 10:42:56,438 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 192 transitions. [2019-11-20 10:42:56,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 10:42:56,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:42:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:42:56,537 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:42:56,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:42:56,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 115 states and 193 transitions. [2019-11-20 10:42:56,563 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 193 transitions. [2019-11-20 10:42:56,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 10:42:56,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:42:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:42:56,635 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:42:56,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:42:56,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 116 states and 194 transitions. [2019-11-20 10:42:56,666 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 194 transitions. [2019-11-20 10:42:56,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 10:42:56,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:42:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:42:56,823 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 10:42:58,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:42:58,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 133 states and 244 transitions. [2019-11-20 10:42:58,882 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 244 transitions. [2019-11-20 10:42:58,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 10:42:58,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:42:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:42:58,950 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 10:43:00,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:43:00,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 142 states and 270 transitions. [2019-11-20 10:43:00,932 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 270 transitions. [2019-11-20 10:43:00,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 10:43:00,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:43:00,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:43:00,977 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 10:43:00,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:43:01,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 143 states and 271 transitions. [2019-11-20 10:43:01,001 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 271 transitions. [2019-11-20 10:43:01,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 10:43:01,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:43:01,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:43:01,053 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 10:43:01,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:43:01,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 144 states and 272 transitions. [2019-11-20 10:43:01,084 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 272 transitions. [2019-11-20 10:43:01,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 10:43:01,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:43:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:43:01,129 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 10:43:01,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:43:01,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 148 states and 279 transitions. [2019-11-20 10:43:01,581 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 279 transitions. [2019-11-20 10:43:01,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 10:43:01,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:43:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:43:01,796 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 10:43:03,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:43:03,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 152 states and 287 transitions. [2019-11-20 10:43:03,587 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 287 transitions. [2019-11-20 10:43:03,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 10:43:03,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:43:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:43:03,669 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 10:43:04,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:43:04,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 143 states and 264 transitions. [2019-11-20 10:43:04,041 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 264 transitions. [2019-11-20 10:43:04,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 10:43:04,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:43:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:43:04,079 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 10:43:04,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:43:04,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 141 states and 260 transitions. [2019-11-20 10:43:04,117 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 260 transitions. [2019-11-20 10:43:04,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 10:43:04,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:43:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:43:04,158 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 10:43:05,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:43:05,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 147 states and 273 transitions. [2019-11-20 10:43:05,259 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 273 transitions. [2019-11-20 10:43:05,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 10:43:05,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:43:05,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:43:05,306 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 10:43:05,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:43:05,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 147 states and 272 transitions. [2019-11-20 10:43:05,356 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 272 transitions. [2019-11-20 10:43:05,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 10:43:05,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:43:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:43:05,393 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 10:43:05,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:43:05,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 149 states and 275 transitions. [2019-11-20 10:43:05,422 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 275 transitions. [2019-11-20 10:43:05,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 10:43:05,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:43:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:43:05,704 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 10:43:06,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:43:06,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 151 states and 276 transitions. [2019-11-20 10:43:06,291 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 276 transitions. [2019-11-20 10:43:06,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 10:43:06,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:43:06,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:43:06,327 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 10:43:06,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:43:06,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 152 states and 277 transitions. [2019-11-20 10:43:06,376 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 277 transitions. [2019-11-20 10:43:06,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 10:43:06,381 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:43:06,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:43:06,421 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 10:43:06,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:43:06,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 148 states and 267 transitions. [2019-11-20 10:43:06,480 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 267 transitions. [2019-11-20 10:43:06,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 10:43:06,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:43:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:43:06,529 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 10:43:06,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:43:06,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 141 states and 254 transitions. [2019-11-20 10:43:06,573 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 254 transitions. [2019-11-20 10:43:06,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 10:43:06,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:43:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:43:06,630 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 30 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 10:43:09,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:43:09,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 152 states and 275 transitions. [2019-11-20 10:43:09,231 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 275 transitions. [2019-11-20 10:43:09,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-20 10:43:09,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:43:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:43:09,284 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 30 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 10:43:09,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:43:09,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 153 states and 276 transitions. [2019-11-20 10:43:09,320 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 276 transitions. [2019-11-20 10:43:09,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-20 10:43:09,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:43:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:43:09,365 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-20 10:43:10,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:43:10,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 77 states and 108 transitions. [2019-11-20 10:43:10,168 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2019-11-20 10:43:10,169 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 10:43:10,169 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2019-11-20 10:43:10,179 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 10:43:10,662 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:43:10,666 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-20 10:43:10,671 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2019-11-20 10:43:10,673 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:43:10,673 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:43:10,673 INFO L569 CodeCheckObserver]: Invariant with dag size 12 [2019-11-20 10:43:10,675 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:43:10,675 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:43:10,675 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:43:10,675 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:43:10,676 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-20 10:43:10,677 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:43:10,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 10:43:10 ImpRootNode [2019-11-20 10:43:10,677 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 10:43:10,678 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:43:10,678 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:43:10,678 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:43:10,679 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:42:49" (3/4) ... [2019-11-20 10:43:10,683 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 10:43:10,689 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-20 10:43:10,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-20 10:43:10,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-20 10:43:10,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-20 10:43:10,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-11-20 10:43:10,691 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-20 10:43:10,700 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2019-11-20 10:43:10,700 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2019-11-20 10:43:10,701 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-20 10:43:10,702 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 10:43:10,702 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 10:43:10,703 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 10:43:10,734 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive [2019-11-20 10:43:10,735 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0) [2019-11-20 10:43:10,735 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == methaneLevelCritical || !(pumpRunning == 0)) || !(pumpRunning == \old(pumpRunning))) || 0 == tmp [2019-11-20 10:43:10,783 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e43db0e7-6feb-4bc7-88be-e300740394d5/bin/ukojak/witness.graphml [2019-11-20 10:43:10,784 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:43:10,786 INFO L168 Benchmark]: Toolchain (without parser) took 23447.62 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 359.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -157.6 MB). Peak memory consumption was 202.0 MB. Max. memory is 11.5 GB. [2019-11-20 10:43:10,786 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:43:10,787 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.3 MB). Free memory was 939.3 MB in the beginning and 1.2 GB in the end (delta: -233.8 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2019-11-20 10:43:10,788 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:43:10,788 INFO L168 Benchmark]: Boogie Preprocessor took 73.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:43:10,789 INFO L168 Benchmark]: RCFGBuilder took 1347.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. [2019-11-20 10:43:10,789 INFO L168 Benchmark]: CodeCheck took 21185.98 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 169.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -22.9 MB). Peak memory consumption was 146.5 MB. Max. memory is 11.5 GB. [2019-11-20 10:43:10,790 INFO L168 Benchmark]: Witness Printer took 105.93 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. [2019-11-20 10:43:10,792 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, 46 locations, 1 error locations. Result: SAFE, OverallTime: 20.6s, OverallIterations: 37, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1280479336 SDtfs, -501524586 SDslu, -161086040 SDs, 0 SdLazy, -146534894 SolverSat, -49468752 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16171 GetRequests, 15789 SyntacticMatches, 148 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22251 ImplicationChecksByTransitivity, 15.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1627 NumberOfCodeBlocks, 1627 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 1591 ConstructedInterpolants, 0 QuantifiedInterpolants, 170115 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 24 PerfectInterpolantSequences, 725/812 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: 206]: 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: 462]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0) - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: ((tmp == methaneLevelCritical || !(pumpRunning == 0)) || !(pumpRunning == \old(pumpRunning))) || 0 == tmp - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 662.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.3 MB). Free memory was 939.3 MB in the beginning and 1.2 GB in the end (delta: -233.8 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1347.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. * CodeCheck took 21185.98 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 169.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -22.9 MB). Peak memory consumption was 146.5 MB. Max. memory is 11.5 GB. * Witness Printer took 105.93 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...