./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product45.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_df944ab5-3e81-4cd7-93a0-2160ef89d658/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_df944ab5-3e81-4cd7-93a0-2160ef89d658/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_df944ab5-3e81-4cd7-93a0-2160ef89d658/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_df944ab5-3e81-4cd7-93a0-2160ef89d658/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_df944ab5-3e81-4cd7-93a0-2160ef89d658/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_df944ab5-3e81-4cd7-93a0-2160ef89d658/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 9b7549a4c392cf253bbff25b83e97c5c89bfd389 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 06:47:02,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 06:47:02,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 06:47:02,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 06:47:02,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 06:47:02,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 06:47:02,814 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 06:47:02,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 06:47:02,827 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 06:47:02,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 06:47:02,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 06:47:02,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 06:47:02,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 06:47:02,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 06:47:02,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 06:47:02,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 06:47:02,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 06:47:02,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 06:47:02,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 06:47:02,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 06:47:02,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 06:47:02,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 06:47:02,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 06:47:02,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 06:47:02,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 06:47:02,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 06:47:02,857 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 06:47:02,858 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 06:47:02,859 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 06:47:02,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 06:47:02,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 06:47:02,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 06:47:02,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 06:47:02,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 06:47:02,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 06:47:02,864 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 06:47:02,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 06:47:02,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 06:47:02,865 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 06:47:02,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 06:47:02,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 06:47:02,867 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_df944ab5-3e81-4cd7-93a0-2160ef89d658/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 06:47:02,901 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 06:47:02,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 06:47:02,902 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 06:47:02,902 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 06:47:02,903 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 06:47:02,903 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 06:47:02,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 06:47:02,903 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 06:47:02,904 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 06:47:02,904 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 06:47:02,904 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 06:47:02,904 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 06:47:02,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 06:47:02,905 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 06:47:02,905 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 06:47:02,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 06:47:02,906 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 06:47:02,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 06:47:02,907 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 06:47:02,907 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 06:47:02,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 06:47:02,907 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 06:47:02,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 06:47:02,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 06:47:02,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 06:47:02,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 06:47:02,908 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 06:47:02,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 06:47:02,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 06:47:02,909 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_df944ab5-3e81-4cd7-93a0-2160ef89d658/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 -> 9b7549a4c392cf253bbff25b83e97c5c89bfd389 [2019-11-20 06:47:03,074 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 06:47:03,089 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 06:47:03,093 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 06:47:03,094 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 06:47:03,094 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 06:47:03,095 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_df944ab5-3e81-4cd7-93a0-2160ef89d658/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c [2019-11-20 06:47:03,156 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_df944ab5-3e81-4cd7-93a0-2160ef89d658/bin/ukojak/data/3637173c8/1fd8cc9b8f6e4fa391e4d17dd8f1d0d5/FLAGdac5f4b0a [2019-11-20 06:47:03,597 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 06:47:03,598 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_df944ab5-3e81-4cd7-93a0-2160ef89d658/sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c [2019-11-20 06:47:03,618 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_df944ab5-3e81-4cd7-93a0-2160ef89d658/bin/ukojak/data/3637173c8/1fd8cc9b8f6e4fa391e4d17dd8f1d0d5/FLAGdac5f4b0a [2019-11-20 06:47:03,948 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_df944ab5-3e81-4cd7-93a0-2160ef89d658/bin/ukojak/data/3637173c8/1fd8cc9b8f6e4fa391e4d17dd8f1d0d5 [2019-11-20 06:47:03,951 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 06:47:03,952 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 06:47:03,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 06:47:03,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 06:47:03,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 06:47:03,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:47:03" (1/1) ... [2019-11-20 06:47:03,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68b03311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:03, skipping insertion in model container [2019-11-20 06:47:03,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:47:03" (1/1) ... [2019-11-20 06:47:03,973 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 06:47:04,023 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 06:47:04,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:47:04,375 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 06:47:04,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:47:04,478 INFO L192 MainTranslator]: Completed translation [2019-11-20 06:47:04,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:04 WrapperNode [2019-11-20 06:47:04,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 06:47:04,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 06:47:04,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 06:47:04,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 06:47:04,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:04" (1/1) ... [2019-11-20 06:47:04,505 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:04" (1/1) ... [2019-11-20 06:47:04,537 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 06:47:04,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 06:47:04,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 06:47:04,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 06:47:04,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:04" (1/1) ... [2019-11-20 06:47:04,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:04" (1/1) ... [2019-11-20 06:47:04,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:04" (1/1) ... [2019-11-20 06:47:04,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:04" (1/1) ... [2019-11-20 06:47:04,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:04" (1/1) ... [2019-11-20 06:47:04,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:04" (1/1) ... [2019-11-20 06:47:04,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:04" (1/1) ... [2019-11-20 06:47:04,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 06:47:04,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 06:47:04,602 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 06:47:04,602 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 06:47:04,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df944ab5-3e81-4cd7-93a0-2160ef89d658/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 06:47:04,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 06:47:04,683 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-20 06:47:04,683 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-20 06:47:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-20 06:47:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-20 06:47:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-20 06:47:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-20 06:47:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-20 06:47:04,686 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-20 06:47:04,687 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-20 06:47:04,688 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-20 06:47:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-11-20 06:47:04,688 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-11-20 06:47:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-20 06:47:04,688 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-20 06:47:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 06:47:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-20 06:47:04,689 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-20 06:47:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 06:47:04,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 06:47:05,668 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 06:47:05,669 INFO L285 CfgBuilder]: Removed 40 assume(true) statements. [2019-11-20 06:47:05,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:47:05 BoogieIcfgContainer [2019-11-20 06:47:05,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 06:47:05,670 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 06:47:05,670 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 06:47:05,682 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 06:47:05,682 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:47:05" (1/1) ... [2019-11-20 06:47:05,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:47:05,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:05,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 62 states and 82 transitions. [2019-11-20 06:47:05,729 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2019-11-20 06:47:05,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 06:47:05,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:05,946 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 06:47:05,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:05,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 62 states and 80 transitions. [2019-11-20 06:47:05,962 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 80 transitions. [2019-11-20 06:47:05,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 06:47:05,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:06,050 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 06:47:06,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:06,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 64 states and 83 transitions. [2019-11-20 06:47:06,103 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 83 transitions. [2019-11-20 06:47:06,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 06:47:06,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:06,247 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 06:47:06,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:06,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 73 states and 100 transitions. [2019-11-20 06:47:06,511 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2019-11-20 06:47:06,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 06:47:06,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:06,578 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 06:47:06,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:06,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 74 states and 101 transitions. [2019-11-20 06:47:06,598 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 101 transitions. [2019-11-20 06:47:06,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 06:47:06,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:06,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:47:06,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:06,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 75 states and 102 transitions. [2019-11-20 06:47:06,660 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 102 transitions. [2019-11-20 06:47:06,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 06:47:06,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:06,799 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 06:47:07,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:07,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 87 states and 126 transitions. [2019-11-20 06:47:07,291 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 126 transitions. [2019-11-20 06:47:07,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 06:47:07,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:07,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:47:08,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:08,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 102 states and 157 transitions. [2019-11-20 06:47:08,241 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 157 transitions. [2019-11-20 06:47:08,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 06:47:08,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:08,281 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 06:47:08,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:08,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 103 states and 160 transitions. [2019-11-20 06:47:08,427 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 160 transitions. [2019-11-20 06:47:08,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 06:47:08,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:08,503 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 06:47:09,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:09,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 111 states and 174 transitions. [2019-11-20 06:47:09,110 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 174 transitions. [2019-11-20 06:47:09,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 06:47:09,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:09,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 06:47:10,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:10,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 123 states and 202 transitions. [2019-11-20 06:47:11,000 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 202 transitions. [2019-11-20 06:47:11,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 06:47:11,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:11,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 06:47:13,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:13,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 142 states and 246 transitions. [2019-11-20 06:47:13,493 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 246 transitions. [2019-11-20 06:47:13,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 06:47:13,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:13,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:13,526 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 06:47:13,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:13,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 143 states and 247 transitions. [2019-11-20 06:47:13,800 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 247 transitions. [2019-11-20 06:47:13,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 06:47:13,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:13,935 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 06:47:14,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:14,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 149 states and 267 transitions. [2019-11-20 06:47:14,770 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 267 transitions. [2019-11-20 06:47:14,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 06:47:14,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:14,809 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 06:47:15,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:15,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 152 states and 273 transitions. [2019-11-20 06:47:15,289 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 273 transitions. [2019-11-20 06:47:15,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 06:47:15,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:15,687 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 06:47:16,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:16,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 155 states and 285 transitions. [2019-11-20 06:47:16,934 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 285 transitions. [2019-11-20 06:47:16,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 06:47:16,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:16,972 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 06:47:17,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:17,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 156 states and 287 transitions. [2019-11-20 06:47:17,011 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 287 transitions. [2019-11-20 06:47:17,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 06:47:17,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:17,050 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 06:47:17,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:17,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 159 states and 293 transitions. [2019-11-20 06:47:17,348 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 293 transitions. [2019-11-20 06:47:17,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 06:47:17,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:17,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:17,412 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 06:47:17,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:17,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 150 states and 273 transitions. [2019-11-20 06:47:17,808 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 273 transitions. [2019-11-20 06:47:17,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 06:47:17,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:17,839 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 06:47:18,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:18,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 153 states and 279 transitions. [2019-11-20 06:47:18,161 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 279 transitions. [2019-11-20 06:47:18,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 06:47:18,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:18,617 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 06:47:21,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:21,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 166 states and 319 transitions. [2019-11-20 06:47:21,556 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 319 transitions. [2019-11-20 06:47:21,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 06:47:21,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:21,594 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 06:47:22,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:22,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 168 states and 321 transitions. [2019-11-20 06:47:22,017 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 321 transitions. [2019-11-20 06:47:22,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 06:47:22,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:22,062 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 06:47:25,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:25,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 177 states and 345 transitions. [2019-11-20 06:47:25,193 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 345 transitions. [2019-11-20 06:47:25,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 06:47:25,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:25,227 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 06:47:25,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:25,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 178 states and 347 transitions. [2019-11-20 06:47:25,629 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 347 transitions. [2019-11-20 06:47:25,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 06:47:25,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:25,662 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 06:47:26,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:26,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 183 states and 360 transitions. [2019-11-20 06:47:26,621 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 360 transitions. [2019-11-20 06:47:26,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 06:47:26,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:26,654 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 06:47:27,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:27,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 185 states and 361 transitions. [2019-11-20 06:47:27,178 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 361 transitions. [2019-11-20 06:47:27,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 06:47:27,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:27,229 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 06:47:27,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:27,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 187 states and 364 transitions. [2019-11-20 06:47:27,670 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 364 transitions. [2019-11-20 06:47:27,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 06:47:27,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:27,701 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 06:47:29,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:29,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 195 states and 384 transitions. [2019-11-20 06:47:29,940 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 384 transitions. [2019-11-20 06:47:29,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 06:47:29,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:29,976 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 06:47:31,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:31,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 202 states and 405 transitions. [2019-11-20 06:47:31,006 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 405 transitions. [2019-11-20 06:47:31,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 06:47:31,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:31,037 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 06:47:31,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:31,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 204 states and 409 transitions. [2019-11-20 06:47:31,621 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 409 transitions. [2019-11-20 06:47:31,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 06:47:31,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:31,658 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 06:47:32,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:32,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 208 states and 420 transitions. [2019-11-20 06:47:32,755 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 420 transitions. [2019-11-20 06:47:32,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 06:47:32,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:32,786 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 06:47:33,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:33,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 210 states and 423 transitions. [2019-11-20 06:47:33,251 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 423 transitions. [2019-11-20 06:47:33,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 06:47:33,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:33,282 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 06:47:33,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:33,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 212 states and 424 transitions. [2019-11-20 06:47:33,858 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 424 transitions. [2019-11-20 06:47:33,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 06:47:33,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:33,896 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 06:47:34,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:34,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 214 states and 426 transitions. [2019-11-20 06:47:34,352 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 426 transitions. [2019-11-20 06:47:34,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 06:47:34,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:34,383 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 06:47:34,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:34,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 215 states and 428 transitions. [2019-11-20 06:47:34,734 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 428 transitions. [2019-11-20 06:47:34,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 06:47:34,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:34,765 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-20 06:47:34,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:34,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 211 states and 418 transitions. [2019-11-20 06:47:34,808 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 418 transitions. [2019-11-20 06:47:34,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-20 06:47:34,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:34,838 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 06:47:35,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:35,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 213 states and 423 transitions. [2019-11-20 06:47:35,290 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 423 transitions. [2019-11-20 06:47:35,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 06:47:35,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:35,327 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 06:47:35,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:35,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 215 states and 427 transitions. [2019-11-20 06:47:35,752 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 427 transitions. [2019-11-20 06:47:35,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 06:47:35,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:36,514 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 06:47:38,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:38,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 221 states and 435 transitions. [2019-11-20 06:47:38,567 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 435 transitions. [2019-11-20 06:47:38,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-20 06:47:38,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:38,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:39,240 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 06:47:42,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:42,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 228 states and 441 transitions. [2019-11-20 06:47:42,544 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 441 transitions. [2019-11-20 06:47:42,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-20 06:47:42,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:43,651 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 06:47:49,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:49,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 234 states and 438 transitions. [2019-11-20 06:47:49,296 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 438 transitions. [2019-11-20 06:47:49,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-20 06:47:49,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:49,326 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-20 06:47:49,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:49,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 235 states and 439 transitions. [2019-11-20 06:47:49,390 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 439 transitions. [2019-11-20 06:47:49,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 06:47:49,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:49,420 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 06:47:49,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:49,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 237 states and 442 transitions. [2019-11-20 06:47:49,468 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 442 transitions. [2019-11-20 06:47:49,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 06:47:49,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:49,506 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 06:47:52,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:52,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 246 states and 464 transitions. [2019-11-20 06:47:52,941 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 464 transitions. [2019-11-20 06:47:52,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 06:47:52,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:52,968 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 06:47:53,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:53,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 247 states and 464 transitions. [2019-11-20 06:47:53,519 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 464 transitions. [2019-11-20 06:47:53,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 06:47:53,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:53,546 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 06:47:54,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:54,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 247 states and 459 transitions. [2019-11-20 06:47:54,687 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 459 transitions. [2019-11-20 06:47:54,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-20 06:47:54,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:54,715 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-20 06:47:55,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:55,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 251 states and 460 transitions. [2019-11-20 06:47:55,284 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 460 transitions. [2019-11-20 06:47:55,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-20 06:47:55,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:55,311 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-20 06:47:55,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:55,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 253 states and 461 transitions. [2019-11-20 06:47:55,868 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 461 transitions. [2019-11-20 06:47:55,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-20 06:47:55,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:55,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:55,896 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-20 06:47:56,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:56,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 255 states and 462 transitions. [2019-11-20 06:47:56,573 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 462 transitions. [2019-11-20 06:47:56,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 06:47:56,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:56,600 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 06:47:57,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:57,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 253 states and 457 transitions. [2019-11-20 06:47:57,150 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 457 transitions. [2019-11-20 06:47:57,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 06:47:57,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:57,396 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 20 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 06:47:59,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:59,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 258 states and 465 transitions. [2019-11-20 06:47:59,880 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 465 transitions. [2019-11-20 06:47:59,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-20 06:47:59,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:47:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:47:59,921 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-20 06:47:59,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:47:59,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 256 states and 459 transitions. [2019-11-20 06:47:59,990 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 459 transitions. [2019-11-20 06:47:59,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-20 06:47:59,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:48:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:48:00,029 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 20 proven. 19 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 06:48:00,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:48:00,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 251 states and 447 transitions. [2019-11-20 06:48:00,604 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 447 transitions. [2019-11-20 06:48:00,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-20 06:48:00,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:48:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:48:01,044 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 06:48:02,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:48:02,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 224 states and 378 transitions. [2019-11-20 06:48:02,587 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 378 transitions. [2019-11-20 06:48:02,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 06:48:02,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:48:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:48:03,047 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 06:48:04,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:48:04,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 224 states and 374 transitions. [2019-11-20 06:48:04,627 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 374 transitions. [2019-11-20 06:48:04,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-20 06:48:04,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:48:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:48:04,654 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-20 06:48:06,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:48:06,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 229 states and 385 transitions. [2019-11-20 06:48:06,026 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 385 transitions. [2019-11-20 06:48:06,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-20 06:48:06,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:48:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:48:06,053 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-11-20 06:48:06,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:48:06,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 229 states and 384 transitions. [2019-11-20 06:48:06,629 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 384 transitions. [2019-11-20 06:48:06,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-20 06:48:06,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:48:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:48:06,658 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-11-20 06:48:07,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:48:07,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 226 states and 378 transitions. [2019-11-20 06:48:07,255 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 378 transitions. [2019-11-20 06:48:07,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-20 06:48:07,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:48:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:48:07,283 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-20 06:48:07,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:48:07,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 228 states and 381 transitions. [2019-11-20 06:48:07,391 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 381 transitions. [2019-11-20 06:48:07,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-11-20 06:48:07,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:48:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:48:07,723 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-11-20 06:48:10,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:48:10,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 228 states and 377 transitions. [2019-11-20 06:48:10,280 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 377 transitions. [2019-11-20 06:48:10,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-11-20 06:48:10,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:48:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:48:10,315 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-11-20 06:48:11,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:48:11,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 169 states and 249 transitions. [2019-11-20 06:48:11,704 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 249 transitions. [2019-11-20 06:48:11,704 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 06:48:11,704 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 61 iterations. [2019-11-20 06:48:11,711 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 06:48:12,573 INFO L569 CodeCheckObserver]: Invariant with dag size 24 [2019-11-20 06:48:12,587 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 06:48:12,587 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 06:48:12,587 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-20 06:48:12,588 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 06:48:12,588 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 06:48:12,588 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 06:48:12,588 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2019-11-20 06:48:12,589 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2019-11-20 06:48:12,590 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-20 06:48:12,590 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 06:48:12,590 INFO L569 CodeCheckObserver]: Invariant with dag size 13 [2019-11-20 06:48:12,591 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 06:48:12,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:48:12 ImpRootNode [2019-11-20 06:48:12,592 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 06:48:12,592 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 06:48:12,592 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 06:48:12,592 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 06:48:12,593 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:47:05" (3/4) ... [2019-11-20 06:48:12,596 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 06:48:12,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-20 06:48:12,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-20 06:48:12,602 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-11-20 06:48:12,602 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-20 06:48:12,602 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-20 06:48:12,602 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-20 06:48:12,602 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2019-11-20 06:48:12,603 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2019-11-20 06:48:12,619 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2019-11-20 06:48:12,620 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2019-11-20 06:48:12,620 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-11-20 06:48:12,621 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 06:48:12,621 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 06:48:12,622 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 06:48:12,645 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || !(pumpRunning == 0)) || ((!(0 == methAndRunningLastTime) && !(1 == waterLevel)) && !(0 == methaneLevelCritical))) || ((pumpRunning == \old(pumpRunning) && !(1 == waterLevel)) && !(0 == methaneLevelCritical))) || 0 == systemActive [2019-11-20 06:48:12,646 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2019-11-20 06:48:12,694 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_df944ab5-3e81-4cd7-93a0-2160ef89d658/bin/ukojak/witness.graphml [2019-11-20 06:48:12,694 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 06:48:12,696 INFO L168 Benchmark]: Toolchain (without parser) took 68744.00 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 995.6 MB). Free memory was 951.4 MB in the beginning and 1.7 GB in the end (delta: -712.3 MB). Peak memory consumption was 283.3 MB. Max. memory is 11.5 GB. [2019-11-20 06:48:12,696 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:48:12,697 INFO L168 Benchmark]: CACSL2BoogieTranslator took 523.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.7 MB). Free memory was 946.1 MB in the beginning and 1.2 GB in the end (delta: -221.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-20 06:48:12,697 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.55 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 06:48:12,697 INFO L168 Benchmark]: Boogie Preprocessor took 64.21 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: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2019-11-20 06:48:12,698 INFO L168 Benchmark]: RCFGBuilder took 1068.14 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: 83.4 MB). Peak memory consumption was 83.4 MB. Max. memory is 11.5 GB. [2019-11-20 06:48:12,698 INFO L168 Benchmark]: CodeCheck took 66921.52 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 807.9 MB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -609.8 MB). Peak memory consumption was 198.1 MB. Max. memory is 11.5 GB. [2019-11-20 06:48:12,699 INFO L168 Benchmark]: Witness Printer took 102.57 ms. Allocated memory is still 2.0 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. [2019-11-20 06:48:12,700 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 9 procedures, 62 locations, 1 error locations. Result: SAFE, OverallTime: 66.0s, OverallIterations: 61, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -2044504968 SDtfs, -740613210 SDslu, 1628358324 SDs, 0 SdLazy, 1956098854 SolverSat, 1225653428 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 97.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45089 GetRequests, 44214 SyntacticMatches, 254 SemanticMatches, 621 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183010 ImplicationChecksByTransitivity, 58.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 3793 NumberOfCodeBlocks, 3793 NumberOfCodeBlocksAsserted, 60 NumberOfCheckSat, 3733 ConstructedInterpolants, 0 QuantifiedInterpolants, 489848 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 60 InterpolantComputations, 43 PerfectInterpolantSequences, 1677/1814 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: 410]: 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: 535]: Loop Invariant Derived loop invariant: ((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || !(pumpRunning == 0)) || ((!(0 == methAndRunningLastTime) && !(1 == waterLevel)) && !(0 == methaneLevelCritical))) || ((pumpRunning == \old(pumpRunning) && !(1 == waterLevel)) && !(0 == methaneLevelCritical))) || 0 == systemActive - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 || 0 == systemActive) || 0 == methaneLevelCritical) || !(0 == methAndRunningLastTime)) || 3 < splverifierCounter - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: methaneLevelCritical == tmp || !(0 == tmp) - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical || !(0 == methAndRunningLastTime)) || pumpRunning == 0 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && tmp == systemActive) && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 523.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.7 MB). Free memory was 946.1 MB in the beginning and 1.2 GB in the end (delta: -221.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.55 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. * Boogie Preprocessor took 64.21 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: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1068.14 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: 83.4 MB). Peak memory consumption was 83.4 MB. Max. memory is 11.5 GB. * CodeCheck took 66921.52 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 807.9 MB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -609.8 MB). Peak memory consumption was 198.1 MB. Max. memory is 11.5 GB. * Witness Printer took 102.57 ms. Allocated memory is still 2.0 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...