./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef162d8e-82d7-45ed-8c45-761fc4f88674/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef162d8e-82d7-45ed-8c45-761fc4f88674/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_ef162d8e-82d7-45ed-8c45-761fc4f88674/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef162d8e-82d7-45ed-8c45-761fc4f88674/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef162d8e-82d7-45ed-8c45-761fc4f88674/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_ef162d8e-82d7-45ed-8c45-761fc4f88674/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 bda183060f847dd51d7e0728c1fd62bc6790c04aa5197b907e94467526762377 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:52:35,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:52:35,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:52:35,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:52:35,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:52:35,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:52:35,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:52:35,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:52:35,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:52:35,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:52:35,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:52:35,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:52:35,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:52:35,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:52:35,550 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:52:35,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:52:35,553 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:52:35,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:52:35,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:52:35,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:52:35,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:52:35,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:52:35,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:52:35,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:52:35,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:52:35,571 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:52:35,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:52:35,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:52:35,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:52:35,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:52:35,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:52:35,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:52:35,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:52:35,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:52:35,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:52:35,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:52:35,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:52:35,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:52:35,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:52:35,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:52:35,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:52:35,589 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef162d8e-82d7-45ed-8c45-761fc4f88674/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:52:35,614 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:52:35,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:52:35,615 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:52:35,616 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:52:35,616 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:52:35,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:52:35,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:52:35,617 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:52:35,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:52:35,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:52:35,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:52:35,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:52:35,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:52:35,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:52:35,618 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:52:35,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:52:35,619 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:52:35,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:52:35,619 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:52:35,619 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:52:35,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:52:35,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:52:35,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:52:35,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:52:35,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:52:35,620 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:52:35,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:52:35,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:52:35,621 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_ef162d8e-82d7-45ed-8c45-761fc4f88674/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef162d8e-82d7-45ed-8c45-761fc4f88674/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bda183060f847dd51d7e0728c1fd62bc6790c04aa5197b907e94467526762377 [2021-11-23 00:52:35,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:52:35,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:52:35,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:52:35,994 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:52:35,996 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:52:35,998 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef162d8e-82d7-45ed-8c45-761fc4f88674/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2021-11-23 00:52:36,099 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef162d8e-82d7-45ed-8c45-761fc4f88674/bin/ukojak-LBtLqBUTdQ/data/0e95544d0/aaa0909a0079417993f263eed1ef5fb2/FLAG75a5219d2 [2021-11-23 00:52:36,565 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:52:36,566 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef162d8e-82d7-45ed-8c45-761fc4f88674/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2021-11-23 00:52:36,588 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef162d8e-82d7-45ed-8c45-761fc4f88674/bin/ukojak-LBtLqBUTdQ/data/0e95544d0/aaa0909a0079417993f263eed1ef5fb2/FLAG75a5219d2 [2021-11-23 00:52:36,909 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef162d8e-82d7-45ed-8c45-761fc4f88674/bin/ukojak-LBtLqBUTdQ/data/0e95544d0/aaa0909a0079417993f263eed1ef5fb2 [2021-11-23 00:52:36,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:52:36,914 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:52:36,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:52:36,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:52:36,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:52:36,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:52:36" (1/1) ... [2021-11-23 00:52:36,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d7ef3a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:36, skipping insertion in model container [2021-11-23 00:52:36,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:52:36" (1/1) ... [2021-11-23 00:52:36,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:52:36,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:52:37,145 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_ef162d8e-82d7-45ed-8c45-761fc4f88674/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c[2627,2640] [2021-11-23 00:52:37,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:52:37,338 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:52:37,374 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_ef162d8e-82d7-45ed-8c45-761fc4f88674/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c[2627,2640] [2021-11-23 00:52:37,439 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:52:37,458 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:52:37,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:37 WrapperNode [2021-11-23 00:52:37,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:52:37,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:52:37,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:52:37,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:52:37,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:37" (1/1) ... [2021-11-23 00:52:37,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:37" (1/1) ... [2021-11-23 00:52:37,515 INFO L137 Inliner]: procedures = 56, calls = 158, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 235 [2021-11-23 00:52:37,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:52:37,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:52:37,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:52:37,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:52:37,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:37" (1/1) ... [2021-11-23 00:52:37,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:37" (1/1) ... [2021-11-23 00:52:37,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:37" (1/1) ... [2021-11-23 00:52:37,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:37" (1/1) ... [2021-11-23 00:52:37,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:37" (1/1) ... [2021-11-23 00:52:37,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:37" (1/1) ... [2021-11-23 00:52:37,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:37" (1/1) ... [2021-11-23 00:52:37,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:52:37,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:52:37,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:52:37,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:52:37,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:37" (1/1) ... [2021-11-23 00:52:37,576 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:52:37,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef162d8e-82d7-45ed-8c45-761fc4f88674/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:52:37,611 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef162d8e-82d7-45ed-8c45-761fc4f88674/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:52:37,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef162d8e-82d7-45ed-8c45-761fc4f88674/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:52:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:52:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 00:52:37,649 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 00:52:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 00:52:37,649 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 00:52:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 00:52:37,650 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 00:52:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 00:52:37,650 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 00:52:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 00:52:37,651 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 00:52:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-11-23 00:52:37,651 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-11-23 00:52:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-11-23 00:52:37,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-11-23 00:52:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-23 00:52:37,652 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-23 00:52:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:52:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 00:52:37,653 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 00:52:37,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:52:37,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:52:37,732 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:52:37,734 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:52:38,061 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:52:38,203 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:52:38,205 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:52:38,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:52:38 BoogieIcfgContainer [2021-11-23 00:52:38,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:52:38,209 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:52:38,209 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:52:38,219 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:52:38,219 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:52:38" (1/1) ... [2021-11-23 00:52:38,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:52:38,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:38,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 71 states and 95 transitions. [2021-11-23 00:52:38,308 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 95 transitions. [2021-11-23 00:52:38,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:52:38,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:38,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:38,577 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 00:52:38,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:38,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 71 states and 93 transitions. [2021-11-23 00:52:38,631 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2021-11-23 00:52:38,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:52:38,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:38,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:38,763 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 00:52:38,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:38,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 73 states and 96 transitions. [2021-11-23 00:52:38,794 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2021-11-23 00:52:38,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:52:38,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:38,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:38,859 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 00:52:38,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:38,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 83 states and 117 transitions. [2021-11-23 00:52:38,969 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2021-11-23 00:52:38,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:52:38,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:38,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:39,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:39,052 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 00:52:39,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:39,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 84 states and 118 transitions. [2021-11-23 00:52:39,061 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2021-11-23 00:52:39,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:52:39,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:39,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:39,102 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 00:52:39,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:39,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 85 states and 119 transitions. [2021-11-23 00:52:39,115 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 119 transitions. [2021-11-23 00:52:39,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:52:39,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:39,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:39,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:39,154 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 00:52:39,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:39,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 86 states and 120 transitions. [2021-11-23 00:52:39,167 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 120 transitions. [2021-11-23 00:52:39,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:52:39,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:39,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:39,264 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 00:52:39,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:39,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 103 states and 156 transitions. [2021-11-23 00:52:39,659 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 156 transitions. [2021-11-23 00:52:39,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:52:39,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:39,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:39,771 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 00:52:40,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:40,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 123 states and 199 transitions. [2021-11-23 00:52:40,578 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 199 transitions. [2021-11-23 00:52:40,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:52:40,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:40,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:40,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:40,659 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 00:52:41,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:41,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 132 states and 218 transitions. [2021-11-23 00:52:41,193 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 218 transitions. [2021-11-23 00:52:41,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:52:41,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:41,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:41,231 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 00:52:41,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:41,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 133 states and 219 transitions. [2021-11-23 00:52:41,249 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 219 transitions. [2021-11-23 00:52:41,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:52:41,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:41,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:41,277 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 00:52:41,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:41,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 138 states and 229 transitions. [2021-11-23 00:52:41,647 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 229 transitions. [2021-11-23 00:52:41,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:52:41,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:41,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:41,678 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 00:52:41,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:41,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 139 states and 232 transitions. [2021-11-23 00:52:41,696 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 232 transitions. [2021-11-23 00:52:41,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:52:41,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:41,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:41,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:41,731 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 00:52:41,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:41,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 140 states and 233 transitions. [2021-11-23 00:52:41,797 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 233 transitions. [2021-11-23 00:52:41,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:52:41,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:41,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:41,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:41,856 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 00:52:42,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:42,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 143 states and 241 transitions. [2021-11-23 00:52:42,057 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 241 transitions. [2021-11-23 00:52:42,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:52:42,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:42,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:42,108 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 00:52:42,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:42,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 146 states and 249 transitions. [2021-11-23 00:52:42,241 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 249 transitions. [2021-11-23 00:52:42,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:52:42,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:42,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:42,276 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 00:52:42,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:42,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 152 states and 261 transitions. [2021-11-23 00:52:42,312 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 261 transitions. [2021-11-23 00:52:42,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:52:42,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:42,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:42,354 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 00:52:42,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:42,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 158 states and 274 transitions. [2021-11-23 00:52:42,393 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 274 transitions. [2021-11-23 00:52:42,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:52:42,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:42,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:42,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:42,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:52:42,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:42,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 162 states and 284 transitions. [2021-11-23 00:52:42,475 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 284 transitions. [2021-11-23 00:52:42,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:52:42,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:42,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:42,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:42,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:52:42,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:42,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 166 states and 292 transitions. [2021-11-23 00:52:42,559 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 292 transitions. [2021-11-23 00:52:42,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:52:42,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:42,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:42,607 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 00:52:43,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:43,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 175 states and 313 transitions. [2021-11-23 00:52:43,190 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 313 transitions. [2021-11-23 00:52:43,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:52:43,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:43,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:43,461 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 00:52:44,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:44,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 178 states and 321 transitions. [2021-11-23 00:52:44,146 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 321 transitions. [2021-11-23 00:52:44,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:52:44,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:44,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:44,177 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 00:52:44,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:44,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 179 states and 322 transitions. [2021-11-23 00:52:44,194 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 322 transitions. [2021-11-23 00:52:44,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:52:44,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:44,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:44,230 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 00:52:44,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:44,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 186 states and 338 transitions. [2021-11-23 00:52:44,912 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 338 transitions. [2021-11-23 00:52:44,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:52:44,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:44,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:44,938 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 00:52:44,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:44,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 187 states and 339 transitions. [2021-11-23 00:52:44,960 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 339 transitions. [2021-11-23 00:52:44,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:52:44,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:44,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:44,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:45,002 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:52:45,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:45,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 194 states and 351 transitions. [2021-11-23 00:52:45,194 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 351 transitions. [2021-11-23 00:52:45,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:52:45,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:45,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:45,241 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 00:52:45,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:45,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 195 states and 351 transitions. [2021-11-23 00:52:45,256 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 351 transitions. [2021-11-23 00:52:45,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:52:45,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:45,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:45,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:45,291 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:52:46,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:46,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 205 states and 372 transitions. [2021-11-23 00:52:46,009 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 372 transitions. [2021-11-23 00:52:46,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:52:46,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:46,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:46,039 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:52:46,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:46,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 206 states and 373 transitions. [2021-11-23 00:52:46,058 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 373 transitions. [2021-11-23 00:52:46,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:52:46,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:46,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:46,088 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:52:46,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:46,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 213 states and 395 transitions. [2021-11-23 00:52:46,329 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 395 transitions. [2021-11-23 00:52:46,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:52:46,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:46,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:46,358 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 00:52:46,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:46,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 214 states and 396 transitions. [2021-11-23 00:52:46,382 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 396 transitions. [2021-11-23 00:52:46,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:52:46,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:46,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:46,419 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:52:46,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:46,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 215 states and 396 transitions. [2021-11-23 00:52:46,432 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 396 transitions. [2021-11-23 00:52:46,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:52:46,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:46,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:46,679 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:52:48,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:48,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 225 states and 421 transitions. [2021-11-23 00:52:48,479 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 421 transitions. [2021-11-23 00:52:48,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:52:48,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:48,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:48,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:48,507 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:52:48,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:48,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 226 states and 422 transitions. [2021-11-23 00:52:48,525 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 422 transitions. [2021-11-23 00:52:48,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:52:48,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:48,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:48,552 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:52:48,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:48,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 227 states and 423 transitions. [2021-11-23 00:52:48,570 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 423 transitions. [2021-11-23 00:52:48,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:52:48,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:48,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:48,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:48,598 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 00:52:50,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:50,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 243 states and 465 transitions. [2021-11-23 00:52:50,555 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 465 transitions. [2021-11-23 00:52:50,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:52:50,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:50,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:50,583 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 00:52:50,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:50,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 244 states and 468 transitions. [2021-11-23 00:52:50,830 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 468 transitions. [2021-11-23 00:52:50,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:52:50,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:50,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:50,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:50,860 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 00:52:51,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:51,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 247 states and 475 transitions. [2021-11-23 00:52:51,108 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 475 transitions. [2021-11-23 00:52:51,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:52:51,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:51,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:51,147 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 00:52:51,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:51,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 248 states and 476 transitions. [2021-11-23 00:52:51,166 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 476 transitions. [2021-11-23 00:52:51,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 00:52:51,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:51,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:51,195 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:52:51,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:51,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 256 states and 503 transitions. [2021-11-23 00:52:51,890 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 503 transitions. [2021-11-23 00:52:51,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 00:52:51,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:51,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:51,916 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:52:52,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:52,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 261 states and 510 transitions. [2021-11-23 00:52:52,166 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 510 transitions. [2021-11-23 00:52:52,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 00:52:52,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:52,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:52,192 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:52:53,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:53,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 268 states and 524 transitions. [2021-11-23 00:52:53,010 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 524 transitions. [2021-11-23 00:52:53,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:52:53,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:53,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:53,037 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:52:53,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:53,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 269 states and 525 transitions. [2021-11-23 00:52:53,059 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 525 transitions. [2021-11-23 00:52:53,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:52:53,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:53,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:53,087 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:52:53,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:53,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 274 states and 543 transitions. [2021-11-23 00:52:53,526 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 543 transitions. [2021-11-23 00:52:53,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:52:53,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:53,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:53,552 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:52:53,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:53,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 275 states and 545 transitions. [2021-11-23 00:52:53,565 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 545 transitions. [2021-11-23 00:52:53,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:52:53,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:53,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:53,605 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:52:54,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:54,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 278 states and 554 transitions. [2021-11-23 00:52:54,171 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 554 transitions. [2021-11-23 00:52:54,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 00:52:54,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:54,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:54,227 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:52:54,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:54,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 283 states and 564 transitions. [2021-11-23 00:52:54,404 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 564 transitions. [2021-11-23 00:52:54,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 00:52:54,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:54,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:54,441 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:52:54,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:54,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 284 states and 565 transitions. [2021-11-23 00:52:54,463 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 565 transitions. [2021-11-23 00:52:54,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 00:52:54,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:54,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:54,486 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:52:54,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:54,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 285 states and 568 transitions. [2021-11-23 00:52:54,769 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 568 transitions. [2021-11-23 00:52:54,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 00:52:54,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:54,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:54,804 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:52:55,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:55,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 287 states and 571 transitions. [2021-11-23 00:52:55,086 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 571 transitions. [2021-11-23 00:52:55,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 00:52:55,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:55,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:55,120 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:52:56,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:56,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 294 states and 596 transitions. [2021-11-23 00:52:56,286 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 596 transitions. [2021-11-23 00:52:56,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 00:52:56,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:56,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:56,316 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:52:57,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:57,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 301 states and 615 transitions. [2021-11-23 00:52:57,434 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 615 transitions. [2021-11-23 00:52:57,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 00:52:57,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:57,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:57,469 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:52:57,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:57,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 299 states and 595 transitions. [2021-11-23 00:52:57,492 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 595 transitions. [2021-11-23 00:52:57,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:52:57,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:57,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:57,537 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:52:57,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:57,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 301 states and 602 transitions. [2021-11-23 00:52:57,930 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 602 transitions. [2021-11-23 00:52:57,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 00:52:57,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:57,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:57,959 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:52:57,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:57,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 302 states and 603 transitions. [2021-11-23 00:52:57,984 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 603 transitions. [2021-11-23 00:52:57,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:52:57,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:57,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:58,008 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 00:52:58,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:58,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 307 states and 614 transitions. [2021-11-23 00:52:58,331 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 614 transitions. [2021-11-23 00:52:58,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 00:52:58,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:58,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:58,406 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 00:52:58,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:58,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 308 states and 614 transitions. [2021-11-23 00:52:58,421 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 614 transitions. [2021-11-23 00:52:58,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:52:58,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:58,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:58,447 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 00:52:58,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:58,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 309 states and 617 transitions. [2021-11-23 00:52:58,771 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 617 transitions. [2021-11-23 00:52:58,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:52:58,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:58,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:58,797 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:52:59,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:59,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 314 states and 626 transitions. [2021-11-23 00:52:59,044 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 626 transitions. [2021-11-23 00:52:59,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:52:59,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:59,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:59,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:59,082 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:52:59,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:59,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 315 states and 628 transitions. [2021-11-23 00:52:59,099 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 628 transitions. [2021-11-23 00:52:59,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 00:52:59,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:59,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:59,122 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:52:59,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:59,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 316 states and 629 transitions. [2021-11-23 00:52:59,144 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 629 transitions. [2021-11-23 00:52:59,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:52:59,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:59,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:59,168 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 00:52:59,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:59,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 317 states and 630 transitions. [2021-11-23 00:52:59,189 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 630 transitions. [2021-11-23 00:52:59,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:52:59,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:59,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:59,211 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:52:59,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:59,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 318 states and 631 transitions. [2021-11-23 00:52:59,233 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 631 transitions. [2021-11-23 00:52:59,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:52:59,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:59,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:59,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:59,267 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 00:52:59,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:59,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 320 states and 634 transitions. [2021-11-23 00:52:59,479 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 634 transitions. [2021-11-23 00:52:59,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 00:52:59,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:59,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:59,511 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 00:52:59,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:59,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 323 states and 638 transitions. [2021-11-23 00:52:59,537 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 638 transitions. [2021-11-23 00:52:59,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 00:52:59,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:59,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:59,564 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 00:52:59,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:59,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 324 states and 638 transitions. [2021-11-23 00:52:59,585 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 638 transitions. [2021-11-23 00:52:59,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 00:52:59,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:59,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:59,616 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 00:52:59,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:59,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 325 states and 639 transitions. [2021-11-23 00:52:59,642 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 639 transitions. [2021-11-23 00:52:59,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 00:52:59,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:59,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:59,670 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 00:52:59,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:59,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 328 states and 644 transitions. [2021-11-23 00:52:59,694 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 644 transitions. [2021-11-23 00:52:59,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 00:52:59,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:59,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:59,718 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 00:52:59,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:59,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 329 states and 645 transitions. [2021-11-23 00:52:59,747 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 645 transitions. [2021-11-23 00:52:59,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 00:52:59,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:59,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:59,773 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 00:52:59,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:59,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 118 states and 154 transitions. [2021-11-23 00:52:59,797 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 154 transitions. [2021-11-23 00:52:59,798 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:52:59,798 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 70 iterations. [2021-11-23 00:52:59,807 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 00:53:00,121 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:53:00,125 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2021-11-23 00:53:00,133 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:53:00,133 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:53:00,133 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:53:00,134 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2021-11-23 00:53:00,134 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:53:00,134 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:53:00,134 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-23 00:53:00,135 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:53:00,135 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2021-11-23 00:53:00,136 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:53:00,136 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:53:00,136 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:53:00,137 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:53:00,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:53:00 ImpRootNode [2021-11-23 00:53:00,137 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:53:00,138 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:53:00,138 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:53:00,138 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:53:00,139 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:52:38" (3/4) ... [2021-11-23 00:53:00,142 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:53:00,147 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-11-23 00:53:00,147 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-23 00:53:00,147 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 00:53:00,148 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-23 00:53:00,148 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 00:53:00,148 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 00:53:00,148 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 00:53:00,148 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-11-23 00:53:00,149 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-11-23 00:53:00,162 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 71 nodes and edges [2021-11-23 00:53:00,164 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-11-23 00:53:00,164 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-23 00:53:00,165 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 00:53:00,166 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 00:53:00,166 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:53:00,167 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:53:00,196 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) || (!(methaneLevelCritical == 0) && !(methAndRunningLastTime == 0))) || (!(1 == systemActive) && !(0 == systemActive))) || (!(pumpRunning == 0) && 1 == systemActive) [2021-11-23 00:53:00,198 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2021-11-23 00:53:00,262 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef162d8e-82d7-45ed-8c45-761fc4f88674/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:53:00,262 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:53:00,263 INFO L158 Benchmark]: Toolchain (without parser) took 23348.85ms. Allocated memory was 100.7MB in the beginning and 283.1MB in the end (delta: 182.5MB). Free memory was 62.5MB in the beginning and 134.1MB in the end (delta: -71.6MB). Peak memory consumption was 112.0MB. Max. memory is 16.1GB. [2021-11-23 00:53:00,263 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 100.7MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:53:00,264 INFO L158 Benchmark]: CACSL2BoogieTranslator took 537.62ms. Allocated memory was 100.7MB in the beginning and 123.7MB in the end (delta: 23.1MB). Free memory was 62.3MB in the beginning and 94.4MB in the end (delta: -32.1MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2021-11-23 00:53:00,264 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.69ms. Allocated memory is still 123.7MB. Free memory was 94.4MB in the beginning and 91.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:53:00,264 INFO L158 Benchmark]: Boogie Preprocessor took 33.30ms. Allocated memory is still 123.7MB. Free memory was 91.8MB in the beginning and 90.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:53:00,265 INFO L158 Benchmark]: RCFGBuilder took 657.95ms. Allocated memory is still 123.7MB. Free memory was 90.0MB in the beginning and 69.7MB in the end (delta: 20.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 00:53:00,265 INFO L158 Benchmark]: CodeCheck took 21928.80ms. Allocated memory was 123.7MB in the beginning and 283.1MB in the end (delta: 159.4MB). Free memory was 69.7MB in the beginning and 140.4MB in the end (delta: -70.7MB). Peak memory consumption was 87.7MB. Max. memory is 16.1GB. [2021-11-23 00:53:00,266 INFO L158 Benchmark]: Witness Printer took 124.02ms. Allocated memory is still 283.1MB. Free memory was 140.4MB in the beginning and 134.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:53:00,268 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 10 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.5s, OverallIterations: 70, 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, 38903 SdHoareTripleChecker+Valid, 66.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22565 mSDsluCounter, 48028 SdHoareTripleChecker+Invalid, 56.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40127 mSDsCounter, 13657 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46843 IncrementalHoareTripleChecker+Invalid, 60500 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13657 mSolverCounterUnsat, 10401 mSDtfsCounter, 46843 mSolverCounterSat, 1.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35303 GetRequests, 34929 SyntacticMatches, 10 SemanticMatches, 364 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61789 ImplicationChecksByTransitivity, 15.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 3273 NumberOfCodeBlocks, 3273 NumberOfCodeBlocksAsserted, 69 NumberOfCheckSat, 3204 ConstructedInterpolants, 0 QuantifiedInterpolants, 5942 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 69 InterpolantComputations, 68 PerfectInterpolantSequences, 1108/1109 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: 126]: 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: 65]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) || (!(methaneLevelCritical == 0) && !(methAndRunningLastTime == 0))) || (!(1 == systemActive) && !(0 == systemActive))) || (!(pumpRunning == 0) && 1 == systemActive) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || !(tmp == 0) - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 100.7MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 537.62ms. Allocated memory was 100.7MB in the beginning and 123.7MB in the end (delta: 23.1MB). Free memory was 62.3MB in the beginning and 94.4MB in the end (delta: -32.1MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.69ms. Allocated memory is still 123.7MB. Free memory was 94.4MB in the beginning and 91.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.30ms. Allocated memory is still 123.7MB. Free memory was 91.8MB in the beginning and 90.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 657.95ms. Allocated memory is still 123.7MB. Free memory was 90.0MB in the beginning and 69.7MB in the end (delta: 20.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 21928.80ms. Allocated memory was 123.7MB in the beginning and 283.1MB in the end (delta: 159.4MB). Free memory was 69.7MB in the beginning and 140.4MB in the end (delta: -70.7MB). Peak memory consumption was 87.7MB. Max. memory is 16.1GB. * Witness Printer took 124.02ms. Allocated memory is still 283.1MB. Free memory was 140.4MB in the beginning and 134.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 00:53:00,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef162d8e-82d7-45ed-8c45-761fc4f88674/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