./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_986a6abd-fe2a-4920-962c-6afa1a6aad56/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_986a6abd-fe2a-4920-962c-6afa1a6aad56/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_986a6abd-fe2a-4920-962c-6afa1a6aad56/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_986a6abd-fe2a-4920-962c-6afa1a6aad56/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_986a6abd-fe2a-4920-962c-6afa1a6aad56/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_986a6abd-fe2a-4920-962c-6afa1a6aad56/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 c01215307b2c8189e4e6745962a1a26d113e8096 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:12:50,618 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:12:50,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:12:50,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:12:50,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:12:50,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:12:50,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:12:50,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:12:50,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:12:50,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:12:50,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:12:50,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:12:50,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:12:50,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:12:50,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:12:50,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:12:50,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:12:50,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:12:50,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:12:50,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:12:50,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:12:50,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:12:50,645 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:12:50,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:12:50,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:12:50,648 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:12:50,649 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:12:50,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:12:50,650 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:12:50,651 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:12:50,651 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:12:50,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:12:50,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:12:50,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:12:50,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:12:50,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:12:50,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:12:50,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:12:50,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:12:50,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:12:50,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:12:50,658 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_986a6abd-fe2a-4920-962c-6afa1a6aad56/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:12:50,669 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:12:50,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:12:50,670 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:12:50,670 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:12:50,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:12:50,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:12:50,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:12:50,672 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:12:50,672 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:12:50,672 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:12:50,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:12:50,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:12:50,672 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:12:50,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:12:50,673 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:12:50,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:12:50,673 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:12:50,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:12:50,673 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:12:50,674 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:12:50,674 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:12:50,674 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:12:50,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:12:50,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:12:50,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:12:50,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:12:50,675 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:12:50,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:12:50,675 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:12:50,675 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/working_dir_986a6abd-fe2a-4920-962c-6afa1a6aad56/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 -> c01215307b2c8189e4e6745962a1a26d113e8096 [2019-10-22 10:12:50,700 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:12:50,715 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:12:50,718 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:12:50,719 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:12:50,719 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:12:50,719 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_986a6abd-fe2a-4920-962c-6afa1a6aad56/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2019-10-22 10:12:50,777 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_986a6abd-fe2a-4920-962c-6afa1a6aad56/bin/ukojak/data/01dd8bbe5/9928317366aa44bb8b1b08b1fa4a936a/FLAGda5b79d55 [2019-10-22 10:12:51,218 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:12:51,219 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_986a6abd-fe2a-4920-962c-6afa1a6aad56/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2019-10-22 10:12:51,228 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_986a6abd-fe2a-4920-962c-6afa1a6aad56/bin/ukojak/data/01dd8bbe5/9928317366aa44bb8b1b08b1fa4a936a/FLAGda5b79d55 [2019-10-22 10:12:51,239 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_986a6abd-fe2a-4920-962c-6afa1a6aad56/bin/ukojak/data/01dd8bbe5/9928317366aa44bb8b1b08b1fa4a936a [2019-10-22 10:12:51,241 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:12:51,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:12:51,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:12:51,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:12:51,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:12:51,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:12:51" (1/1) ... [2019-10-22 10:12:51,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c1ea15e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:51, skipping insertion in model container [2019-10-22 10:12:51,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:12:51" (1/1) ... [2019-10-22 10:12:51,257 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:12:51,292 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:12:51,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:12:51,627 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:12:51,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:12:51,716 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:12:51,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:51 WrapperNode [2019-10-22 10:12:51,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:12:51,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:12:51,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:12:51,718 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:12:51,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:51" (1/1) ... [2019-10-22 10:12:51,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:51" (1/1) ... [2019-10-22 10:12:51,765 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:12:51,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:12:51,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:12:51,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:12:51,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:51" (1/1) ... [2019-10-22 10:12:51,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:51" (1/1) ... [2019-10-22 10:12:51,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:51" (1/1) ... [2019-10-22 10:12:51,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:51" (1/1) ... [2019-10-22 10:12:51,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:51" (1/1) ... [2019-10-22 10:12:51,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:51" (1/1) ... [2019-10-22 10:12:51,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:51" (1/1) ... [2019-10-22 10:12:51,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:12:51,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:12:51,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:12:51,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:12:51,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_986a6abd-fe2a-4920-962c-6afa1a6aad56/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 [2019-10-22 10:12:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:12:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-22 10:12:51,848 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-22 10:12:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-22 10:12:51,849 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-22 10:12:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-22 10:12:51,849 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-22 10:12:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-22 10:12:51,849 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-22 10:12:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-22 10:12:51,850 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-22 10:12:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-22 10:12:51,850 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-22 10:12:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-22 10:12:51,850 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-22 10:12:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-22 10:12:51,850 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-22 10:12:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:12:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-22 10:12:51,851 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-22 10:12:51,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:12:51,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:12:52,588 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:12:52,588 INFO L284 CfgBuilder]: Removed 36 assume(true) statements. [2019-10-22 10:12:52,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:52 BoogieIcfgContainer [2019-10-22 10:12:52,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:12:52,590 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:12:52,590 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:12:52,600 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:12:52,600 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:52" (1/1) ... [2019-10-22 10:12:52,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:12:52,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:52,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 69 states and 93 transitions. [2019-10-22 10:12:52,647 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2019-10-22 10:12:52,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:12:52,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:52,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:52,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:52,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 69 states and 91 transitions. [2019-10-22 10:12:52,841 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2019-10-22 10:12:52,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 10:12:52,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:52,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:52,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:52,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 71 states and 94 transitions. [2019-10-22 10:12:52,933 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 94 transitions. [2019-10-22 10:12:52,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 10:12:52,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:52,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:53,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:53,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:53,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 81 states and 115 transitions. [2019-10-22 10:12:53,195 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2019-10-22 10:12:53,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 10:12:53,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:53,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:53,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:53,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 82 states and 116 transitions. [2019-10-22 10:12:53,277 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 116 transitions. [2019-10-22 10:12:53,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:12:53,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:53,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:53,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:53,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 83 states and 117 transitions. [2019-10-22 10:12:53,346 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2019-10-22 10:12:53,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:12:53,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:53,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:53,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:53,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 84 states and 118 transitions. [2019-10-22 10:12:53,426 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2019-10-22 10:12:53,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:12:53,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:53,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:53,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:53,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 101 states and 156 transitions. [2019-10-22 10:12:53,998 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 156 transitions. [2019-10-22 10:12:54,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:12:54,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:54,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:54,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:54,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:54,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 102 states and 157 transitions. [2019-10-22 10:12:54,084 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 157 transitions. [2019-10-22 10:12:54,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:12:54,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:54,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:55,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:55,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 121 states and 198 transitions. [2019-10-22 10:12:55,227 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 198 transitions. [2019-10-22 10:12:55,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 10:12:55,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:55,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:55,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:55,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 124 states and 206 transitions. [2019-10-22 10:12:55,470 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 206 transitions. [2019-10-22 10:12:55,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:12:55,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:55,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:55,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:55,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 128 states and 212 transitions. [2019-10-22 10:12:55,618 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 212 transitions. [2019-10-22 10:12:55,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-22 10:12:55,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:55,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:55,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:55,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 129 states and 213 transitions. [2019-10-22 10:12:55,664 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 213 transitions. [2019-10-22 10:12:55,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 10:12:55,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:55,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:55,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:55,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:55,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 132 states and 221 transitions. [2019-10-22 10:12:55,849 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 221 transitions. [2019-10-22 10:12:55,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-22 10:12:55,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:55,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:55,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:55,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:55,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 137 states and 230 transitions. [2019-10-22 10:12:55,902 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 230 transitions. [2019-10-22 10:12:55,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 10:12:55,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:56,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:56,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:56,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 143 states and 244 transitions. [2019-10-22 10:12:56,120 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 244 transitions. [2019-10-22 10:12:56,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 10:12:56,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:56,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:56,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:56,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 145 states and 249 transitions. [2019-10-22 10:12:56,432 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 249 transitions. [2019-10-22 10:12:56,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 10:12:56,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:56,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:56,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:56,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 143 states and 243 transitions. [2019-10-22 10:12:56,478 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 243 transitions. [2019-10-22 10:12:56,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 10:12:56,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:56,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:56,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:56,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 147 states and 252 transitions. [2019-10-22 10:12:56,530 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 252 transitions. [2019-10-22 10:12:56,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-22 10:12:56,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:56,621 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:57,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:57,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 157 states and 279 transitions. [2019-10-22 10:12:57,283 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 279 transitions. [2019-10-22 10:12:57,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 10:12:57,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:57,328 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:57,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:57,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 155 states and 275 transitions. [2019-10-22 10:12:57,349 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 275 transitions. [2019-10-22 10:12:57,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 10:12:57,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:57,619 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:12:58,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:58,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 158 states and 282 transitions. [2019-10-22 10:12:58,279 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 282 transitions. [2019-10-22 10:12:58,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 10:12:58,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:58,318 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:12:58,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:58,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 165 states and 294 transitions. [2019-10-22 10:12:58,553 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 294 transitions. [2019-10-22 10:12:58,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 10:12:58,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:58,592 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:12:58,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:58,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 167 states and 295 transitions. [2019-10-22 10:12:58,815 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 295 transitions. [2019-10-22 10:12:58,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 10:12:58,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:58,839 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:59,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:59,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 173 states and 309 transitions. [2019-10-22 10:12:59,431 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 309 transitions. [2019-10-22 10:12:59,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 10:12:59,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:59,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:59,460 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:59,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:59,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 174 states and 310 transitions. [2019-10-22 10:12:59,485 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 310 transitions. [2019-10-22 10:12:59,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 10:12:59,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:59,519 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:59,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:59,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 175 states and 311 transitions. [2019-10-22 10:12:59,543 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 311 transitions. [2019-10-22 10:12:59,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 10:12:59,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:59,584 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 10:12:59,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:59,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 176 states and 311 transitions. [2019-10-22 10:12:59,595 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 311 transitions. [2019-10-22 10:12:59,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 10:12:59,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:59,631 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:12:59,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:59,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 177 states and 312 transitions. [2019-10-22 10:12:59,645 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 312 transitions. [2019-10-22 10:12:59,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 10:12:59,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:59,682 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 10:13:01,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:01,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 193 states and 361 transitions. [2019-10-22 10:13:01,435 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 361 transitions. [2019-10-22 10:13:01,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 10:13:01,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:01,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:01,470 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 10:13:01,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:01,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 195 states and 364 transitions. [2019-10-22 10:13:01,713 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 364 transitions. [2019-10-22 10:13:01,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 10:13:01,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:01,751 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 10:13:03,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:03,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 207 states and 398 transitions. [2019-10-22 10:13:03,179 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 398 transitions. [2019-10-22 10:13:03,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 10:13:03,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:03,206 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 10:13:03,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:03,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 209 states and 402 transitions. [2019-10-22 10:13:03,428 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 402 transitions. [2019-10-22 10:13:03,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 10:13:03,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:03,467 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 10:13:03,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:03,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 210 states and 402 transitions. [2019-10-22 10:13:03,480 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 402 transitions. [2019-10-22 10:13:03,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-22 10:13:03,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:03,515 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 10:13:03,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:03,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 211 states and 403 transitions. [2019-10-22 10:13:03,532 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 403 transitions. [2019-10-22 10:13:03,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 10:13:03,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:03,556 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 10:13:03,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:03,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 212 states and 404 transitions. [2019-10-22 10:13:03,571 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 404 transitions. [2019-10-22 10:13:03,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-22 10:13:03,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:03,592 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:13:05,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:05,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 229 states and 444 transitions. [2019-10-22 10:13:05,147 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 444 transitions. [2019-10-22 10:13:05,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-22 10:13:05,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:05,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:05,262 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 10:13:05,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:05,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 232 states and 450 transitions. [2019-10-22 10:13:05,362 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 450 transitions. [2019-10-22 10:13:05,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-22 10:13:05,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:05,385 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:13:07,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:07,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 244 states and 473 transitions. [2019-10-22 10:13:07,020 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 473 transitions. [2019-10-22 10:13:07,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-22 10:13:07,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:07,042 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:13:07,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:07,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 245 states and 474 transitions. [2019-10-22 10:13:07,054 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 474 transitions. [2019-10-22 10:13:07,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-22 10:13:07,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:07,075 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:13:07,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:07,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 246 states and 475 transitions. [2019-10-22 10:13:07,095 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 475 transitions. [2019-10-22 10:13:07,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-22 10:13:07,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:07,118 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 10:13:07,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:07,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 249 states and 480 transitions. [2019-10-22 10:13:07,140 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 480 transitions. [2019-10-22 10:13:07,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-22 10:13:07,141 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:07,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:07,169 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:13:07,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:07,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 250 states and 481 transitions. [2019-10-22 10:13:07,184 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 481 transitions. [2019-10-22 10:13:07,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-22 10:13:07,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:07,208 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-22 10:13:07,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:07,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 254 states and 483 transitions. [2019-10-22 10:13:07,867 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 483 transitions. [2019-10-22 10:13:07,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-22 10:13:07,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:07,898 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-22 10:13:08,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:08,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 256 states and 485 transitions. [2019-10-22 10:13:08,254 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 485 transitions. [2019-10-22 10:13:08,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-22 10:13:08,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:08,277 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:13:09,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:09,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 264 states and 507 transitions. [2019-10-22 10:13:09,927 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 507 transitions. [2019-10-22 10:13:09,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-22 10:13:09,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:09,962 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-22 10:13:09,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:09,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 265 states and 508 transitions. [2019-10-22 10:13:09,982 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 508 transitions. [2019-10-22 10:13:09,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-22 10:13:09,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:10,016 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:13:10,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:10,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 271 states and 523 transitions. [2019-10-22 10:13:10,911 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 523 transitions. [2019-10-22 10:13:10,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-22 10:13:10,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:10,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:10,934 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-22 10:13:11,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:11,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 275 states and 531 transitions. [2019-10-22 10:13:11,281 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 531 transitions. [2019-10-22 10:13:11,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-22 10:13:11,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:11,303 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-22 10:13:11,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:11,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 282 states and 543 transitions. [2019-10-22 10:13:11,846 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 543 transitions. [2019-10-22 10:13:11,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-22 10:13:11,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:11,869 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-22 10:13:11,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:11,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 283 states and 544 transitions. [2019-10-22 10:13:11,891 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 544 transitions. [2019-10-22 10:13:11,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-22 10:13:11,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:11,912 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-22 10:13:12,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:12,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 285 states and 545 transitions. [2019-10-22 10:13:12,235 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 545 transitions. [2019-10-22 10:13:12,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-22 10:13:12,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:12,258 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-22 10:13:12,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:12,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 283 states and 541 transitions. [2019-10-22 10:13:12,299 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 541 transitions. [2019-10-22 10:13:12,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-22 10:13:12,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:12,323 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-22 10:13:12,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:12,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 284 states and 544 transitions. [2019-10-22 10:13:12,717 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 544 transitions. [2019-10-22 10:13:12,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-22 10:13:12,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:12,738 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-22 10:13:12,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:12,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 285 states and 545 transitions. [2019-10-22 10:13:12,771 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 545 transitions. [2019-10-22 10:13:12,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-22 10:13:12,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:12,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:12,791 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-22 10:13:12,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:12,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 286 states and 546 transitions. [2019-10-22 10:13:12,829 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 546 transitions. [2019-10-22 10:13:12,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-22 10:13:12,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:12,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:12,850 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-22 10:13:13,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:13,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 287 states and 549 transitions. [2019-10-22 10:13:13,262 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 549 transitions. [2019-10-22 10:13:13,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-22 10:13:13,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:13,287 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-22 10:13:13,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:13,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 290 states and 554 transitions. [2019-10-22 10:13:13,508 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 554 transitions. [2019-10-22 10:13:13,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-22 10:13:13,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:13,532 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-22 10:13:13,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:13,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 292 states and 558 transitions. [2019-10-22 10:13:13,853 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 558 transitions. [2019-10-22 10:13:13,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-22 10:13:13,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:13,879 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-22 10:13:13,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:13,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 294 states and 560 transitions. [2019-10-22 10:13:13,906 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 560 transitions. [2019-10-22 10:13:13,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-22 10:13:13,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:13,930 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-22 10:13:13,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:13,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 295 states and 561 transitions. [2019-10-22 10:13:13,953 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 561 transitions. [2019-10-22 10:13:13,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-10-22 10:13:13,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:13,979 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-22 10:13:14,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:14,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 296 states and 562 transitions. [2019-10-22 10:13:14,171 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 562 transitions. [2019-10-22 10:13:14,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-22 10:13:14,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:14,195 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:13:15,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:15,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 305 states and 579 transitions. [2019-10-22 10:13:15,592 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 579 transitions. [2019-10-22 10:13:15,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-22 10:13:15,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:15,618 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-22 10:13:15,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:15,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 295 states and 555 transitions. [2019-10-22 10:13:15,645 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 555 transitions. [2019-10-22 10:13:15,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-10-22 10:13:15,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:15,701 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:13:16,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:16,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 300 states and 561 transitions. [2019-10-22 10:13:16,012 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 561 transitions. [2019-10-22 10:13:16,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-10-22 10:13:16,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:16,035 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:13:16,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:16,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 301 states and 562 transitions. [2019-10-22 10:13:16,081 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 562 transitions. [2019-10-22 10:13:16,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-10-22 10:13:16,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:16,105 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:13:16,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:16,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 302 states and 563 transitions. [2019-10-22 10:13:16,152 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 563 transitions. [2019-10-22 10:13:16,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-10-22 10:13:16,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:16,176 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-22 10:13:16,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:16,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 302 states and 561 transitions. [2019-10-22 10:13:16,339 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 561 transitions. [2019-10-22 10:13:16,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-22 10:13:16,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:16,395 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-22 10:13:16,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:16,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 304 states and 564 transitions. [2019-10-22 10:13:16,420 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 564 transitions. [2019-10-22 10:13:16,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-10-22 10:13:16,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:16,446 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-22 10:13:16,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:16,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 305 states and 565 transitions. [2019-10-22 10:13:16,478 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 565 transitions. [2019-10-22 10:13:16,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-10-22 10:13:16,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:16,504 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-22 10:13:16,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:16,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 292 states and 542 transitions. [2019-10-22 10:13:16,531 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 542 transitions. [2019-10-22 10:13:16,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-22 10:13:16,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:16,555 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 28 proven. 8 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-22 10:13:17,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:17,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 300 states and 555 transitions. [2019-10-22 10:13:17,468 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 555 transitions. [2019-10-22 10:13:17,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-10-22 10:13:17,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:17,496 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 30 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-22 10:13:17,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:17,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 302 states and 556 transitions. [2019-10-22 10:13:17,765 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 556 transitions. [2019-10-22 10:13:17,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-10-22 10:13:17,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:17,796 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 14 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-22 10:13:18,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:18,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 300 states and 544 transitions. [2019-10-22 10:13:18,147 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 544 transitions. [2019-10-22 10:13:18,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-10-22 10:13:18,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:18,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:18,223 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 16 proven. 10 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-22 10:13:19,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:19,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 154 states and 211 transitions. [2019-10-22 10:13:19,109 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2019-10-22 10:13:19,109 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:13:19,109 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 75 iterations. [2019-10-22 10:13:19,118 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:13:19,487 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:13:19,490 INFO L575 CodeCheckObserver]: Invariant with dag size 9 [2019-10-22 10:13:19,494 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:13:19,495 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:13:19,495 INFO L575 CodeCheckObserver]: Invariant with dag size 3 [2019-10-22 10:13:19,495 INFO L575 CodeCheckObserver]: Invariant with dag size 15 [2019-10-22 10:13:19,496 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:13:19,496 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:13:19,496 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:13:19,496 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:13:19,496 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:13:19,496 INFO L575 CodeCheckObserver]: Invariant with dag size 7 [2019-10-22 10:13:19,499 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:13:19,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:13:19 ImpRootNode [2019-10-22 10:13:19,500 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:13:19,500 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:13:19,500 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:13:19,500 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:13:19,501 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:52" (3/4) ... [2019-10-22 10:13:19,504 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:13:19,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-10-22 10:13:19,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-10-22 10:13:19,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-10-22 10:13:19,510 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-10-22 10:13:19,510 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-10-22 10:13:19,510 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-10-22 10:13:19,510 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-10-22 10:13:19,510 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2019-10-22 10:13:19,510 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2019-10-22 10:13:19,516 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2019-10-22 10:13:19,517 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 10:13:19,517 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 10:13:19,517 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 10:13:19,517 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 10:13:19,518 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 10:13:19,544 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || (!(0 == systemActive) && !(pumpRunning == 0))) || (!(0 == methaneLevelCritical) && !(pumpRunning == 0)) [2019-10-22 10:13:19,545 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2019-10-22 10:13:19,595 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_986a6abd-fe2a-4920-962c-6afa1a6aad56/bin/ukojak/witness.graphml [2019-10-22 10:13:19,596 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:13:19,598 INFO L168 Benchmark]: Toolchain (without parser) took 28355.13 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 570.9 MB). Free memory was 937.8 MB in the beginning and 1.2 GB in the end (delta: -256.3 MB). Peak memory consumption was 314.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:19,598 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:13:19,599 INFO L168 Benchmark]: CACSL2BoogieTranslator took 474.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -176.0 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:19,599 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:19,599 INFO L168 Benchmark]: Boogie Preprocessor took 41.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:19,599 INFO L168 Benchmark]: RCFGBuilder took 782.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.7 MB). Peak memory consumption was 66.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:19,600 INFO L168 Benchmark]: CodeCheck took 26909.88 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 435.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -172.7 MB). Peak memory consumption was 263.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:19,600 INFO L168 Benchmark]: Witness Printer took 95.86 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:19,601 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 10 procedures, 69 locations, 1 error locations. Result: SAFE, OverallTime: 26.4s, OverallIterations: 75, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 555803816 SDtfs, -784970280 SDslu, 1511495916 SDs, 0 SdLazy, -378338268 SolverSat, 797806036 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 73.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41823 GetRequests, 41096 SyntacticMatches, 325 SemanticMatches, 402 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74521 ImplicationChecksByTransitivity, 20.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 3754 NumberOfCodeBlocks, 3754 NumberOfCodeBlocksAsserted, 74 NumberOfCheckSat, 3680 ConstructedInterpolants, 0 QuantifiedInterpolants, 395580 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 74 InterpolantComputations, 59 PerfectInterpolantSequences, 1465/1556 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: 116]: 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: 91]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || (!(0 == systemActive) && !(pumpRunning == 0))) || (!(0 == methaneLevelCritical) && !(pumpRunning == 0)) - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: methaneLevelCritical == tmp || !(0 == tmp) - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 474.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -176.0 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 782.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.7 MB). Peak memory consumption was 66.7 MB. Max. memory is 11.5 GB. * CodeCheck took 26909.88 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 435.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -172.7 MB). Peak memory consumption was 263.0 MB. Max. memory is 11.5 GB. * Witness Printer took 95.86 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...