./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22099843-5465-423f-82df-edb641192a31/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22099843-5465-423f-82df-edb641192a31/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22099843-5465-423f-82df-edb641192a31/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22099843-5465-423f-82df-edb641192a31/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22099843-5465-423f-82df-edb641192a31/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22099843-5465-423f-82df-edb641192a31/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a7cd784867b5981272ba60caba7961cbaf680a952b35b095dbec7935be0f5966 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:36:16,819 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:36:16,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:36:16,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:36:16,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:36:16,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:36:16,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:36:16,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:36:16,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:36:16,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:36:16,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:36:16,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:36:16,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:36:16,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:36:16,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:36:16,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:36:16,890 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:36:16,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:36:16,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:36:16,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:36:16,901 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:36:16,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:36:16,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:36:16,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:36:16,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:36:16,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:36:16,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:36:16,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:36:16,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:36:16,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:36:16,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:36:16,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:36:16,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:36:16,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:36:16,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:36:16,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:36:16,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:36:16,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:36:16,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:36:16,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:36:16,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:36:16,937 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22099843-5465-423f-82df-edb641192a31/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:36:16,984 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:36:16,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:36:16,986 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:36:16,986 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:36:16,987 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:36:16,988 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:36:16,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:36:16,988 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:36:16,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:36:16,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:36:16,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:36:16,990 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:36:16,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:36:16,991 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:36:16,991 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:36:16,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:36:16,991 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:36:16,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:36:16,992 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:36:16,992 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:36:16,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:36:16,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:36:16,993 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:36:16,993 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:36:16,993 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:36:16,993 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:36:16,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:36:16,994 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:36:16,994 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22099843-5465-423f-82df-edb641192a31/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22099843-5465-423f-82df-edb641192a31/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7cd784867b5981272ba60caba7961cbaf680a952b35b095dbec7935be0f5966 [2021-11-23 00:36:17,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:36:17,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:36:17,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:36:17,356 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:36:17,357 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:36:17,359 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22099843-5465-423f-82df-edb641192a31/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2021-11-23 00:36:17,440 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22099843-5465-423f-82df-edb641192a31/bin/ukojak-LBtLqBUTdQ/data/2a37df8ad/85066dd0f0e34b56afae7541c83e5666/FLAGf7dc60d0e [2021-11-23 00:36:17,987 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:36:17,988 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22099843-5465-423f-82df-edb641192a31/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2021-11-23 00:36:18,001 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22099843-5465-423f-82df-edb641192a31/bin/ukojak-LBtLqBUTdQ/data/2a37df8ad/85066dd0f0e34b56afae7541c83e5666/FLAGf7dc60d0e [2021-11-23 00:36:18,303 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22099843-5465-423f-82df-edb641192a31/bin/ukojak-LBtLqBUTdQ/data/2a37df8ad/85066dd0f0e34b56afae7541c83e5666 [2021-11-23 00:36:18,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:36:18,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:36:18,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:36:18,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:36:18,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:36:18,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:36:18" (1/1) ... [2021-11-23 00:36:18,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@712b07df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:18, skipping insertion in model container [2021-11-23 00:36:18,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:36:18" (1/1) ... [2021-11-23 00:36:18,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:36:18,378 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:36:18,542 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22099843-5465-423f-82df-edb641192a31/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c[1605,1618] [2021-11-23 00:36:18,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:36:18,680 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:36:18,704 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22099843-5465-423f-82df-edb641192a31/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c[1605,1618] [2021-11-23 00:36:18,757 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:36:18,775 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:36:18,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:18 WrapperNode [2021-11-23 00:36:18,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:36:18,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:36:18,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:36:18,777 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:36:18,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:18" (1/1) ... [2021-11-23 00:36:18,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:18" (1/1) ... [2021-11-23 00:36:18,853 INFO L137 Inliner]: procedures = 54, calls = 152, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 219 [2021-11-23 00:36:18,854 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:36:18,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:36:18,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:36:18,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:36:18,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:18" (1/1) ... [2021-11-23 00:36:18,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:18" (1/1) ... [2021-11-23 00:36:18,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:18" (1/1) ... [2021-11-23 00:36:18,877 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:18" (1/1) ... [2021-11-23 00:36:18,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:18" (1/1) ... [2021-11-23 00:36:18,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:18" (1/1) ... [2021-11-23 00:36:18,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:18" (1/1) ... [2021-11-23 00:36:18,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:36:18,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:36:18,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:36:18,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:36:18,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:18" (1/1) ... [2021-11-23 00:36:18,924 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:36:18,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22099843-5465-423f-82df-edb641192a31/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:36:18,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22099843-5465-423f-82df-edb641192a31/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:36:18,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22099843-5465-423f-82df-edb641192a31/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:36:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:36:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 00:36:18,986 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 00:36:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 00:36:18,987 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 00:36:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 00:36:18,987 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 00:36:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 00:36:18,988 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 00:36:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 00:36:18,989 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 00:36:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-23 00:36:18,990 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-23 00:36:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:36:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 00:36:18,990 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 00:36:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:36:18,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:36:19,058 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:36:19,060 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:36:19,424 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:36:19,532 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:36:19,534 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:36:19,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:36:19 BoogieIcfgContainer [2021-11-23 00:36:19,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:36:19,539 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:36:19,539 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:36:19,550 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:36:19,550 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:36:19" (1/1) ... [2021-11-23 00:36:19,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:36:19,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:19,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 56 states and 74 transitions. [2021-11-23 00:36:19,668 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 74 transitions. [2021-11-23 00:36:19,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:36:19,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:19,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:19,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:19,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:19,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 56 states and 72 transitions. [2021-11-23 00:36:19,991 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2021-11-23 00:36:19,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:36:19,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:19,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:20,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:20,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:20,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 58 states and 75 transitions. [2021-11-23 00:36:20,084 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2021-11-23 00:36:20,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:36:20,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:20,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:20,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:20,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:20,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 61 states and 81 transitions. [2021-11-23 00:36:20,354 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2021-11-23 00:36:20,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:36:20,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:20,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:20,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:20,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:20,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 69 states and 95 transitions. [2021-11-23 00:36:20,639 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 95 transitions. [2021-11-23 00:36:20,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:36:20,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:20,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:20,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:20,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:21,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:21,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 86 states and 129 transitions. [2021-11-23 00:36:21,289 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 129 transitions. [2021-11-23 00:36:21,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:36:21,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:21,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:21,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:21,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:21,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:21,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 87 states and 130 transitions. [2021-11-23 00:36:21,382 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 130 transitions. [2021-11-23 00:36:21,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:36:21,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:21,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:21,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:21,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:21,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 88 states and 131 transitions. [2021-11-23 00:36:21,479 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 131 transitions. [2021-11-23 00:36:21,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:36:21,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:21,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:21,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:21,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:21,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 89 states and 132 transitions. [2021-11-23 00:36:21,525 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 132 transitions. [2021-11-23 00:36:21,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:36:21,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:21,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:21,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:21,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:21,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 94 states and 144 transitions. [2021-11-23 00:36:21,676 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 144 transitions. [2021-11-23 00:36:21,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:36:21,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:21,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:21,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:21,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:21,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 95 states and 145 transitions. [2021-11-23 00:36:21,784 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 145 transitions. [2021-11-23 00:36:21,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:36:21,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:21,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:21,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:22,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:22,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 114 states and 180 transitions. [2021-11-23 00:36:22,964 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 180 transitions. [2021-11-23 00:36:22,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:36:22,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:22,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:22,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:23,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:23,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 120 states and 193 transitions. [2021-11-23 00:36:23,138 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 193 transitions. [2021-11-23 00:36:23,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:36:23,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:23,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:23,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:23,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:23,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 121 states and 194 transitions. [2021-11-23 00:36:23,173 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 194 transitions. [2021-11-23 00:36:23,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:36:23,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:23,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:23,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:23,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:23,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 122 states and 195 transitions. [2021-11-23 00:36:23,235 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 195 transitions. [2021-11-23 00:36:23,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:36:23,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:23,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:23,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:23,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:23,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:23,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 127 states and 205 transitions. [2021-11-23 00:36:23,325 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 205 transitions. [2021-11-23 00:36:23,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:36:23,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:23,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:23,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:23,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:23,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 128 states and 206 transitions. [2021-11-23 00:36:23,359 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 206 transitions. [2021-11-23 00:36:23,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:36:23,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:23,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:23,404 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:36:23,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:23,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 137 states and 224 transitions. [2021-11-23 00:36:23,835 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 224 transitions. [2021-11-23 00:36:23,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:36:23,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:23,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:23,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:23,864 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:36:23,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:23,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 138 states and 225 transitions. [2021-11-23 00:36:23,885 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 225 transitions. [2021-11-23 00:36:23,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:36:23,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:23,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:23,909 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:36:23,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:23,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 139 states and 227 transitions. [2021-11-23 00:36:23,931 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 227 transitions. [2021-11-23 00:36:23,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:36:23,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:23,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:24,170 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:36:24,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:24,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 142 states and 233 transitions. [2021-11-23 00:36:24,786 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 233 transitions. [2021-11-23 00:36:24,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:36:24,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:24,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:24,812 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:36:24,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:24,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 146 states and 243 transitions. [2021-11-23 00:36:24,999 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 243 transitions. [2021-11-23 00:36:25,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:36:25,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:25,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:25,026 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:36:25,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:25,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 150 states and 250 transitions. [2021-11-23 00:36:25,351 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 250 transitions. [2021-11-23 00:36:25,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:36:25,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:25,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:25,402 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:36:25,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:25,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 158 states and 262 transitions. [2021-11-23 00:36:25,522 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 262 transitions. [2021-11-23 00:36:25,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:36:25,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:25,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:25,559 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:36:25,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:25,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 159 states and 263 transitions. [2021-11-23 00:36:25,577 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 263 transitions. [2021-11-23 00:36:25,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:36:25,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:25,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:25,703 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:36:27,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:27,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 176 states and 297 transitions. [2021-11-23 00:36:27,054 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 297 transitions. [2021-11-23 00:36:27,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:36:27,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:27,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:27,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:27,123 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:36:27,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:27,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 178 states and 299 transitions. [2021-11-23 00:36:27,149 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 299 transitions. [2021-11-23 00:36:27,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:36:27,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:27,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:27,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:27,207 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:36:28,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:28,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 188 states and 318 transitions. [2021-11-23 00:36:28,492 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 318 transitions. [2021-11-23 00:36:28,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:36:28,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:28,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:28,539 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:36:28,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:28,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 189 states and 318 transitions. [2021-11-23 00:36:28,898 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 318 transitions. [2021-11-23 00:36:28,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:36:28,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:28,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:28,937 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:36:28,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:28,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 190 states and 319 transitions. [2021-11-23 00:36:28,956 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 319 transitions. [2021-11-23 00:36:28,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:36:28,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:28,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:28,980 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:36:28,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:28,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 191 states and 320 transitions. [2021-11-23 00:36:28,992 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 320 transitions. [2021-11-23 00:36:28,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:36:28,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:28,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:29,026 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:36:29,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:29,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 192 states and 321 transitions. [2021-11-23 00:36:29,044 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 321 transitions. [2021-11-23 00:36:29,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 00:36:29,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:29,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:29,074 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 00:36:29,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:29,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 198 states and 329 transitions. [2021-11-23 00:36:29,394 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 329 transitions. [2021-11-23 00:36:29,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 00:36:29,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:29,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:29,424 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:36:29,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:29,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 199 states and 330 transitions. [2021-11-23 00:36:29,443 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 330 transitions. [2021-11-23 00:36:29,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:36:29,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:29,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:29,470 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 00:36:29,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:29,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 205 states and 339 transitions. [2021-11-23 00:36:29,596 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 339 transitions. [2021-11-23 00:36:29,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:36:29,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:29,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:29,625 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 00:36:29,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:29,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 206 states and 340 transitions. [2021-11-23 00:36:29,643 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 340 transitions. [2021-11-23 00:36:29,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:36:29,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:29,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:29,667 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 00:36:29,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:29,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 207 states and 343 transitions. [2021-11-23 00:36:29,904 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 343 transitions. [2021-11-23 00:36:29,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:36:29,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:29,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:29,933 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 00:36:29,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:29,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 210 states and 346 transitions. [2021-11-23 00:36:29,957 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 346 transitions. [2021-11-23 00:36:29,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 00:36:29,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:29,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:29,990 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:36:30,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:30,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 213 states and 350 transitions. [2021-11-23 00:36:30,009 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 350 transitions. [2021-11-23 00:36:30,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 00:36:30,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:30,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:30,041 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:36:30,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:30,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 214 states and 351 transitions. [2021-11-23 00:36:30,060 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 351 transitions. [2021-11-23 00:36:30,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 00:36:30,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:30,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:30,097 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 00:36:30,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:30,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 217 states and 356 transitions. [2021-11-23 00:36:30,115 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 356 transitions. [2021-11-23 00:36:30,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:36:30,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:30,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:30,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:30,163 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-23 00:36:30,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:30,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 218 states and 357 transitions. [2021-11-23 00:36:30,187 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 357 transitions. [2021-11-23 00:36:30,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:36:30,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:30,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:30,224 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 00:36:30,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:30,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 84 states and 112 transitions. [2021-11-23 00:36:30,243 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 112 transitions. [2021-11-23 00:36:30,243 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:36:30,243 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 43 iterations. [2021-11-23 00:36:30,256 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 00:36:30,474 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:36:30,479 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:36:30,479 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2021-11-23 00:36:30,485 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:36:30,485 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:36:30,487 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:36:30,488 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:36:30,488 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:36:30,488 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:36:30,488 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2021-11-23 00:36:30,490 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:36:30,490 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:36:30,490 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:36:30,491 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:36:30,491 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2021-11-23 00:36:30,497 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2021-11-23 00:36:30,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:36:30 ImpRootNode [2021-11-23 00:36:30,498 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:36:30,499 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:36:30,499 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:36:30,499 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:36:30,500 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:36:19" (3/4) ... [2021-11-23 00:36:30,503 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:36:30,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-11-23 00:36:30,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-23 00:36:30,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 00:36:30,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-23 00:36:30,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 00:36:30,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 00:36:30,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 00:36:30,522 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2021-11-23 00:36:30,523 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-11-23 00:36:30,524 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-23 00:36:30,525 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 00:36:30,525 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 00:36:30,526 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:36:30,526 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:36:30,561 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || (!(pumpRunning == 0) && !(0 == systemActive)) [2021-11-23 00:36:30,563 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) || !(pumpRunning == 0) [2021-11-23 00:36:30,615 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22099843-5465-423f-82df-edb641192a31/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:36:30,615 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:36:30,616 INFO L158 Benchmark]: Toolchain (without parser) took 12307.44ms. Allocated memory was 123.7MB in the beginning and 195.0MB in the end (delta: 71.3MB). Free memory was 80.1MB in the beginning and 126.4MB in the end (delta: -46.4MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2021-11-23 00:36:30,616 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 123.7MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:36:30,617 INFO L158 Benchmark]: CACSL2BoogieTranslator took 466.40ms. Allocated memory is still 123.7MB. Free memory was 79.8MB in the beginning and 89.2MB in the end (delta: -9.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 00:36:30,617 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.00ms. Allocated memory is still 123.7MB. Free memory was 89.2MB in the beginning and 86.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:36:30,617 INFO L158 Benchmark]: Boogie Preprocessor took 55.44ms. Allocated memory is still 123.7MB. Free memory was 86.8MB in the beginning and 85.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:36:30,618 INFO L158 Benchmark]: RCFGBuilder took 626.29ms. Allocated memory is still 123.7MB. Free memory was 85.4MB in the beginning and 66.2MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 00:36:30,618 INFO L158 Benchmark]: CodeCheck took 10959.58ms. Allocated memory was 123.7MB in the beginning and 195.0MB in the end (delta: 71.3MB). Free memory was 66.2MB in the beginning and 131.6MB in the end (delta: -65.4MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-11-23 00:36:30,619 INFO L158 Benchmark]: Witness Printer took 116.12ms. Allocated memory is still 195.0MB. Free memory was 131.6MB in the beginning and 126.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 00:36:30,620 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.7s, OverallIterations: 43, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14399 SdHoareTripleChecker+Valid, 26.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7643 mSDsluCounter, 16184 SdHoareTripleChecker+Invalid, 21.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12484 mSDsCounter, 5006 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16330 IncrementalHoareTripleChecker+Invalid, 21336 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5006 mSolverCounterUnsat, 4250 mSDtfsCounter, 16330 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16063 GetRequests, 15849 SyntacticMatches, 6 SemanticMatches, 208 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17669 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1730 NumberOfCodeBlocks, 1730 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 1688 ConstructedInterpolants, 0 QuantifiedInterpolants, 3500 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 42 InterpolantComputations, 33 PerfectInterpolantSequences, 593/631 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: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || (!(pumpRunning == 0) && !(0 == systemActive)) - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: ((tmp == systemActive && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1 - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) || !(pumpRunning == 0) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 123.7MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 466.40ms. Allocated memory is still 123.7MB. Free memory was 79.8MB in the beginning and 89.2MB in the end (delta: -9.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.00ms. Allocated memory is still 123.7MB. Free memory was 89.2MB in the beginning and 86.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.44ms. Allocated memory is still 123.7MB. Free memory was 86.8MB in the beginning and 85.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 626.29ms. Allocated memory is still 123.7MB. Free memory was 85.4MB in the beginning and 66.2MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 10959.58ms. Allocated memory was 123.7MB in the beginning and 195.0MB in the end (delta: 71.3MB). Free memory was 66.2MB in the beginning and 131.6MB in the end (delta: -65.4MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Witness Printer took 116.12ms. Allocated memory is still 195.0MB. Free memory was 131.6MB in the beginning and 126.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 00:36:30,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22099843-5465-423f-82df-edb641192a31/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE