./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product48.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_4e0b1cab-7df9-4b06-96b1-dd6fa70cb9c4/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0b1cab-7df9-4b06-96b1-dd6fa70cb9c4/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_4e0b1cab-7df9-4b06-96b1-dd6fa70cb9c4/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0b1cab-7df9-4b06-96b1-dd6fa70cb9c4/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0b1cab-7df9-4b06-96b1-dd6fa70cb9c4/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_4e0b1cab-7df9-4b06-96b1-dd6fa70cb9c4/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 797436b26f0180d1dd4048b2036765c1f76ffc9f34d72e35837e9efcc5780486 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:42:32,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:42:32,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:42:32,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:42:32,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:42:32,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:42:32,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:42:32,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:42:32,408 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:42:32,410 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:42:32,411 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:42:32,414 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:42:32,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:42:32,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:42:32,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:42:32,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:42:32,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:42:32,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:42:32,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:42:32,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:42:32,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:42:32,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:42:32,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:42:32,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:42:32,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:42:32,465 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:42:32,465 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:42:32,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:42:32,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:42:32,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:42:32,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:42:32,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:42:32,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:42:32,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:42:32,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:42:32,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:42:32,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:42:32,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:42:32,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:42:32,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:42:32,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:42:32,482 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0b1cab-7df9-4b06-96b1-dd6fa70cb9c4/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:42:32,528 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:42:32,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:42:32,530 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:42:32,530 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:42:32,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:42:32,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:42:32,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:42:32,532 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:42:32,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:42:32,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:42:32,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:42:32,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:42:32,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:42:32,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:42:32,535 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:42:32,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:42:32,535 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:42:32,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:42:32,536 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:42:32,536 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:42:32,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:42:32,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:42:32,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:42:32,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:42:32,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:42:32,538 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:42:32,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:42:32,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:42:32,538 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_4e0b1cab-7df9-4b06-96b1-dd6fa70cb9c4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0b1cab-7df9-4b06-96b1-dd6fa70cb9c4/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 797436b26f0180d1dd4048b2036765c1f76ffc9f34d72e35837e9efcc5780486 [2021-11-23 00:42:32,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:42:32,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:42:32,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:42:32,832 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:42:32,833 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:42:32,835 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0b1cab-7df9-4b06-96b1-dd6fa70cb9c4/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2021-11-23 00:42:32,906 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0b1cab-7df9-4b06-96b1-dd6fa70cb9c4/bin/ukojak-LBtLqBUTdQ/data/68620682b/b7a4d79ea86249f59478edddec9a7574/FLAG945f0f410 [2021-11-23 00:42:33,528 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:42:33,529 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0b1cab-7df9-4b06-96b1-dd6fa70cb9c4/sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2021-11-23 00:42:33,543 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0b1cab-7df9-4b06-96b1-dd6fa70cb9c4/bin/ukojak-LBtLqBUTdQ/data/68620682b/b7a4d79ea86249f59478edddec9a7574/FLAG945f0f410 [2021-11-23 00:42:33,850 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0b1cab-7df9-4b06-96b1-dd6fa70cb9c4/bin/ukojak-LBtLqBUTdQ/data/68620682b/b7a4d79ea86249f59478edddec9a7574 [2021-11-23 00:42:33,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:42:33,858 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:42:33,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:42:33,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:42:33,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:42:33,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:42:33" (1/1) ... [2021-11-23 00:42:33,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c7ebf72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:33, skipping insertion in model container [2021-11-23 00:42:33,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:42:33" (1/1) ... [2021-11-23 00:42:33,875 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:42:33,941 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:42:34,292 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_4e0b1cab-7df9-4b06-96b1-dd6fa70cb9c4/sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c[17766,17779] [2021-11-23 00:42:34,311 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:42:34,330 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:42:34,452 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_4e0b1cab-7df9-4b06-96b1-dd6fa70cb9c4/sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c[17766,17779] [2021-11-23 00:42:34,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:42:34,487 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:42:34,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:34 WrapperNode [2021-11-23 00:42:34,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:42:34,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:42:34,489 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:42:34,489 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:42:34,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:34" (1/1) ... [2021-11-23 00:42:34,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:34" (1/1) ... [2021-11-23 00:42:34,582 INFO L137 Inliner]: procedures = 57, calls = 159, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 252 [2021-11-23 00:42:34,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:42:34,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:42:34,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:42:34,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:42:34,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:34" (1/1) ... [2021-11-23 00:42:34,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:34" (1/1) ... [2021-11-23 00:42:34,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:34" (1/1) ... [2021-11-23 00:42:34,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:34" (1/1) ... [2021-11-23 00:42:34,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:34" (1/1) ... [2021-11-23 00:42:34,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:34" (1/1) ... [2021-11-23 00:42:34,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:34" (1/1) ... [2021-11-23 00:42:34,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:42:34,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:42:34,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:42:34,643 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:42:34,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:34" (1/1) ... [2021-11-23 00:42:34,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:42:34,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0b1cab-7df9-4b06-96b1-dd6fa70cb9c4/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:42:34,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0b1cab-7df9-4b06-96b1-dd6fa70cb9c4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:42:34,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0b1cab-7df9-4b06-96b1-dd6fa70cb9c4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:42:34,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:42:34,731 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 00:42:34,731 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 00:42:34,731 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 00:42:34,731 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 00:42:34,731 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 00:42:34,732 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 00:42:34,732 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 00:42:34,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 00:42:34,732 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 00:42:34,732 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 00:42:34,732 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-11-23 00:42:34,733 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-11-23 00:42:34,733 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-11-23 00:42:34,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-11-23 00:42:34,733 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-23 00:42:34,733 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-23 00:42:34,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:42:34,734 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 00:42:34,734 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 00:42:34,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:42:34,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:42:34,808 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:42:34,810 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:42:35,188 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:42:35,334 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:42:35,334 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:42:35,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:42:35 BoogieIcfgContainer [2021-11-23 00:42:35,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:42:35,339 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:42:35,339 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:42:35,352 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:42:35,352 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:42:35" (1/1) ... [2021-11-23 00:42:35,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:42:35,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:35,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 72 states and 96 transitions. [2021-11-23 00:42:35,459 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 96 transitions. [2021-11-23 00:42:35,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:42:35,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:35,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:35,694 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 00:42:35,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:35,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 72 states and 94 transitions. [2021-11-23 00:42:35,746 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2021-11-23 00:42:35,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:42:35,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:35,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:35,868 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 00:42:35,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:35,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 74 states and 97 transitions. [2021-11-23 00:42:35,903 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2021-11-23 00:42:35,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:42:35,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:35,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:35,995 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 00:42:36,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:36,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 77 states and 105 transitions. [2021-11-23 00:42:36,026 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2021-11-23 00:42:36,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:42:36,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:36,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:36,068 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 00:42:36,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:36,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 85 states and 119 transitions. [2021-11-23 00:42:36,171 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 119 transitions. [2021-11-23 00:42:36,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:42:36,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:36,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:36,246 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 00:42:36,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:36,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 86 states and 120 transitions. [2021-11-23 00:42:36,270 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 120 transitions. [2021-11-23 00:42:36,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:42:36,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:36,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:36,419 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 00:42:36,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:36,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 103 states and 155 transitions. [2021-11-23 00:42:36,862 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 155 transitions. [2021-11-23 00:42:36,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:42:36,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:36,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:36,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:36,942 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 00:42:36,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:36,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 104 states and 156 transitions. [2021-11-23 00:42:36,962 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 156 transitions. [2021-11-23 00:42:36,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:42:36,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:36,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:37,054 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 00:42:37,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:37,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 124 states and 198 transitions. [2021-11-23 00:42:37,896 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 198 transitions. [2021-11-23 00:42:37,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:42:37,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:37,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:37,960 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 00:42:38,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:38,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 133 states and 217 transitions. [2021-11-23 00:42:38,460 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 217 transitions. [2021-11-23 00:42:38,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:42:38,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:38,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:38,496 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 00:42:38,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:38,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 134 states and 218 transitions. [2021-11-23 00:42:38,514 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 218 transitions. [2021-11-23 00:42:38,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:42:38,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:38,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:38,558 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 00:42:38,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:38,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 139 states and 228 transitions. [2021-11-23 00:42:38,940 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 228 transitions. [2021-11-23 00:42:38,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:42:38,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:38,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:38,977 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 00:42:38,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:39,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 140 states and 231 transitions. [2021-11-23 00:42:39,003 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 231 transitions. [2021-11-23 00:42:39,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:42:39,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:39,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:39,069 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 00:42:39,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:39,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 143 states and 238 transitions. [2021-11-23 00:42:39,240 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 238 transitions. [2021-11-23 00:42:39,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:42:39,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:39,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:39,357 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 00:42:39,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:39,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 149 states and 258 transitions. [2021-11-23 00:42:39,634 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 258 transitions. [2021-11-23 00:42:39,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:42:39,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:39,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:39,683 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 00:42:39,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:39,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 155 states and 271 transitions. [2021-11-23 00:42:39,863 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 271 transitions. [2021-11-23 00:42:39,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:42:39,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:39,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:39,893 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 00:42:40,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:40,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 161 states and 285 transitions. [2021-11-23 00:42:40,064 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 285 transitions. [2021-11-23 00:42:40,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:42:40,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:40,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:40,099 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 00:42:40,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:40,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 162 states and 286 transitions. [2021-11-23 00:42:40,165 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 286 transitions. [2021-11-23 00:42:40,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:42:40,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:40,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:40,196 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 00:42:40,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:40,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 171 states and 306 transitions. [2021-11-23 00:42:40,822 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 306 transitions. [2021-11-23 00:42:40,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:42:40,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:40,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:40,845 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 00:42:41,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:41,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 174 states and 313 transitions. [2021-11-23 00:42:41,002 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 313 transitions. [2021-11-23 00:42:41,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:42:41,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:41,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:41,295 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 00:42:42,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:42,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 177 states and 322 transitions. [2021-11-23 00:42:42,044 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 322 transitions. [2021-11-23 00:42:42,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:42:42,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:42,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:42,088 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 00:42:42,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:42,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 178 states and 323 transitions. [2021-11-23 00:42:42,109 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 323 transitions. [2021-11-23 00:42:42,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:42:42,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:42,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:42,149 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 00:42:42,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:42,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 185 states and 338 transitions. [2021-11-23 00:42:42,888 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 338 transitions. [2021-11-23 00:42:42,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:42:42,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:42,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:42,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:42,949 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 00:42:43,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:43,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 193 states and 351 transitions. [2021-11-23 00:42:43,163 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 351 transitions. [2021-11-23 00:42:43,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:42:43,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:43,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:43,186 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 00:42:43,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:43,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 194 states and 353 transitions. [2021-11-23 00:42:43,212 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 353 transitions. [2021-11-23 00:42:43,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:42:43,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:43,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:43,238 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 00:42:44,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:44,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 205 states and 375 transitions. [2021-11-23 00:42:44,024 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 375 transitions. [2021-11-23 00:42:44,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:42:44,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:44,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:44,063 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 00:42:44,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:44,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 206 states and 377 transitions. [2021-11-23 00:42:44,092 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 377 transitions. [2021-11-23 00:42:44,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:42:44,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:44,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:44,131 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 00:42:44,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:44,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 207 states and 378 transitions. [2021-11-23 00:42:44,151 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 378 transitions. [2021-11-23 00:42:44,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:42:44,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:44,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:44,204 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 00:42:44,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:44,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 214 states and 398 transitions. [2021-11-23 00:42:44,457 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 398 transitions. [2021-11-23 00:42:44,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:42:44,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:44,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:44,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:44,609 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:42:46,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:46,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 224 states and 420 transitions. [2021-11-23 00:42:46,407 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 420 transitions. [2021-11-23 00:42:46,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:42:46,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:46,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:46,437 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 00:42:48,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:48,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 240 states and 459 transitions. [2021-11-23 00:42:48,481 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 459 transitions. [2021-11-23 00:42:48,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:42:48,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:48,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:48,522 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 00:42:48,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:48,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 241 states and 460 transitions. [2021-11-23 00:42:48,545 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 460 transitions. [2021-11-23 00:42:48,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:42:48,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:48,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:48,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:48,575 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 00:42:48,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:48,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 242 states and 461 transitions. [2021-11-23 00:42:48,593 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 461 transitions. [2021-11-23 00:42:48,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:42:48,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:48,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:48,621 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 00:42:49,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:49,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 246 states and 469 transitions. [2021-11-23 00:42:49,095 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 469 transitions. [2021-11-23 00:42:49,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:42:49,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:49,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:49,122 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 00:42:49,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:49,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 247 states and 470 transitions. [2021-11-23 00:42:49,141 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 470 transitions. [2021-11-23 00:42:49,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 00:42:49,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:49,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:49,168 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 00:42:49,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:49,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 255 states and 497 transitions. [2021-11-23 00:42:49,733 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 497 transitions. [2021-11-23 00:42:49,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:42:49,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:49,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:49,783 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 00:42:50,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:50,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 260 states and 504 transitions. [2021-11-23 00:42:50,049 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 504 transitions. [2021-11-23 00:42:50,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:42:50,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:50,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:50,124 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 00:42:50,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:50,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 261 states and 505 transitions. [2021-11-23 00:42:50,147 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 505 transitions. [2021-11-23 00:42:50,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 00:42:50,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:50,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:50,183 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 00:42:50,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:50,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 267 states and 517 transitions. [2021-11-23 00:42:50,607 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 517 transitions. [2021-11-23 00:42:50,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:42:50,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:50,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:50,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:50,636 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 00:42:51,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:51,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 275 states and 532 transitions. [2021-11-23 00:42:51,186 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 532 transitions. [2021-11-23 00:42:51,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 00:42:51,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:51,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:51,238 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 00:42:52,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:52,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 280 states and 550 transitions. [2021-11-23 00:42:52,116 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 550 transitions. [2021-11-23 00:42:52,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:42:52,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:52,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:52,151 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 00:42:52,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:52,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 285 states and 558 transitions. [2021-11-23 00:42:52,317 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 558 transitions. [2021-11-23 00:42:52,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:42:52,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:52,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:52,352 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 00:42:52,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:52,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 286 states and 559 transitions. [2021-11-23 00:42:52,375 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 559 transitions. [2021-11-23 00:42:52,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 00:42:52,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:52,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:52,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:52,408 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 00:42:52,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:52,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 289 states and 569 transitions. [2021-11-23 00:42:52,898 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 569 transitions. [2021-11-23 00:42:52,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:42:52,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:52,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:52,924 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 00:42:53,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:53,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 290 states and 572 transitions. [2021-11-23 00:42:53,248 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 572 transitions. [2021-11-23 00:42:53,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:42:53,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:53,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:53,283 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 00:42:53,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:53,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 291 states and 573 transitions. [2021-11-23 00:42:53,306 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 573 transitions. [2021-11-23 00:42:53,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:42:53,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:53,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:53,334 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 00:42:53,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:53,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 292 states and 576 transitions. [2021-11-23 00:42:53,681 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 576 transitions. [2021-11-23 00:42:53,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:42:53,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:53,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:53,705 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 00:42:53,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:53,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 293 states and 577 transitions. [2021-11-23 00:42:53,724 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 577 transitions. [2021-11-23 00:42:53,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 00:42:53,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:53,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:53,753 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:42:54,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:54,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 302 states and 599 transitions. [2021-11-23 00:42:54,781 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 599 transitions. [2021-11-23 00:42:54,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:42:54,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:54,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:54,818 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:42:54,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:54,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 303 states and 600 transitions. [2021-11-23 00:42:54,840 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 600 transitions. [2021-11-23 00:42:54,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:42:54,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:54,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:54,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:54,879 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 00:42:54,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:54,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 304 states and 601 transitions. [2021-11-23 00:42:54,903 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 601 transitions. [2021-11-23 00:42:54,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 00:42:54,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:54,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:54,930 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 00:42:55,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:55,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 307 states and 606 transitions. [2021-11-23 00:42:55,109 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 606 transitions. [2021-11-23 00:42:55,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:42:55,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:55,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:55,139 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 00:42:55,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:55,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 310 states and 610 transitions. [2021-11-23 00:42:55,238 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 610 transitions. [2021-11-23 00:42:55,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:42:55,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:55,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:55,264 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:42:55,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:55,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 313 states and 614 transitions. [2021-11-23 00:42:55,641 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 614 transitions. [2021-11-23 00:42:55,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:42:55,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:55,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:55,670 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:42:55,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:55,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 316 states and 618 transitions. [2021-11-23 00:42:55,691 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 618 transitions. [2021-11-23 00:42:55,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:42:55,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:55,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:56,420 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:43:01,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:01,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 336 states and 668 transitions. [2021-11-23 00:43:01,788 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 668 transitions. [2021-11-23 00:43:01,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:43:01,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:01,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:01,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:01,820 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:43:01,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:01,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 337 states and 669 transitions. [2021-11-23 00:43:01,856 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 669 transitions. [2021-11-23 00:43:01,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 00:43:01,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:01,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:01,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:01,934 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:43:01,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:01,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 338 states and 670 transitions. [2021-11-23 00:43:01,966 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 670 transitions. [2021-11-23 00:43:01,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 00:43:01,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:01,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:03,315 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:43:08,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:08,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 350 states and 687 transitions. [2021-11-23 00:43:08,933 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 687 transitions. [2021-11-23 00:43:08,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 00:43:08,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:08,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:08,962 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:43:08,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:08,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 351 states and 688 transitions. [2021-11-23 00:43:08,991 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 688 transitions. [2021-11-23 00:43:08,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 00:43:08,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:08,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:09,017 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:43:09,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:09,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 352 states and 689 transitions. [2021-11-23 00:43:09,108 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 689 transitions. [2021-11-23 00:43:09,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 00:43:09,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:09,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:09,565 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:43:12,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:12,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 366 states and 719 transitions. [2021-11-23 00:43:12,938 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 719 transitions. [2021-11-23 00:43:12,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:43:12,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:12,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:12,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:12,967 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:43:12,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:12,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 367 states and 720 transitions. [2021-11-23 00:43:12,994 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 720 transitions. [2021-11-23 00:43:12,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:43:12,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:12,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:13,316 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-23 00:43:14,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:14,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 374 states and 729 transitions. [2021-11-23 00:43:14,133 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 729 transitions. [2021-11-23 00:43:14,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 00:43:14,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:14,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:14,169 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:43:15,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:15,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 382 states and 740 transitions. [2021-11-23 00:43:15,019 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 740 transitions. [2021-11-23 00:43:15,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 00:43:15,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:15,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:15,051 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 00:43:15,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:15,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 378 states and 722 transitions. [2021-11-23 00:43:15,883 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 722 transitions. [2021-11-23 00:43:15,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 00:43:15,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:15,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:15,911 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 00:43:15,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:15,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 381 states and 727 transitions. [2021-11-23 00:43:15,940 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 727 transitions. [2021-11-23 00:43:15,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 00:43:15,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:15,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:15,967 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 00:43:16,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:16,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 382 states and 728 transitions. [2021-11-23 00:43:16,070 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 728 transitions. [2021-11-23 00:43:16,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 00:43:16,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:16,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:16,099 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-23 00:43:16,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:16,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 383 states and 729 transitions. [2021-11-23 00:43:16,129 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 729 transitions. [2021-11-23 00:43:16,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-23 00:43:16,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:16,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:16,155 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 00:43:17,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:17,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 391 states and 746 transitions. [2021-11-23 00:43:17,066 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 746 transitions. [2021-11-23 00:43:17,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 00:43:17,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:17,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:17,112 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:43:17,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:17,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 392 states and 748 transitions. [2021-11-23 00:43:17,154 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 748 transitions. [2021-11-23 00:43:17,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 00:43:17,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:17,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:17,182 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 00:43:17,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:17,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 393 states and 749 transitions. [2021-11-23 00:43:17,211 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 749 transitions. [2021-11-23 00:43:17,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-23 00:43:17,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:17,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:17,238 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 00:43:17,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:17,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 399 states and 761 transitions. [2021-11-23 00:43:17,700 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 761 transitions. [2021-11-23 00:43:17,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-23 00:43:17,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:17,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:17,731 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-11-23 00:43:17,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:17,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 400 states and 763 transitions. [2021-11-23 00:43:17,781 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 763 transitions. [2021-11-23 00:43:17,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 00:43:17,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:17,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:17,810 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-23 00:43:17,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:17,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 401 states and 765 transitions. [2021-11-23 00:43:17,854 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 765 transitions. [2021-11-23 00:43:17,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 00:43:17,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:17,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:18,007 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 30 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 00:43:21,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:21,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 413 states and 801 transitions. [2021-11-23 00:43:21,310 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 801 transitions. [2021-11-23 00:43:21,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 00:43:21,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:21,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:21,381 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 32 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 00:43:21,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:21,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 414 states and 802 transitions. [2021-11-23 00:43:21,417 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 802 transitions. [2021-11-23 00:43:21,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 00:43:21,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:21,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:21,462 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-23 00:43:21,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:21,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 412 states and 794 transitions. [2021-11-23 00:43:21,544 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 794 transitions. [2021-11-23 00:43:21,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-23 00:43:21,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:21,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:21,804 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 00:43:23,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:23,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 417 states and 800 transitions. [2021-11-23 00:43:23,558 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 800 transitions. [2021-11-23 00:43:23,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-23 00:43:23,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:23,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:23,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:23,600 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 00:43:25,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:25,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 414 states and 793 transitions. [2021-11-23 00:43:25,534 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 793 transitions. [2021-11-23 00:43:25,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-23 00:43:25,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:25,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:25,576 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 00:43:27,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:27,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 410 states and 783 transitions. [2021-11-23 00:43:27,105 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 783 transitions. [2021-11-23 00:43:27,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-23 00:43:27,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:27,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:27,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:27,142 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 00:43:28,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:28,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 403 states and 766 transitions. [2021-11-23 00:43:28,674 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 766 transitions. [2021-11-23 00:43:28,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-23 00:43:28,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:28,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:28,706 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 49 proven. 8 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-23 00:43:29,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:29,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 405 states and 767 transitions. [2021-11-23 00:43:29,367 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 767 transitions. [2021-11-23 00:43:29,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-23 00:43:29,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:29,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:29,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:29,399 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 49 proven. 8 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-23 00:43:30,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:30,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 204 states and 300 transitions. [2021-11-23 00:43:30,275 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 300 transitions. [2021-11-23 00:43:30,276 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:43:30,276 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 84 iterations. [2021-11-23 00:43:30,285 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 00:43:30,966 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2021-11-23 00:43:30,974 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:43:30,975 INFO L560 CodeCheckObserver]: Invariant with dag size 27 [2021-11-23 00:43:30,977 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:43:30,977 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:43:30,977 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:43:30,978 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:43:30,978 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2021-11-23 00:43:30,978 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:43:30,979 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-23 00:43:30,979 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:43:30,979 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:43:30,979 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:43:30,979 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:43:30,980 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:43:30,980 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2021-11-23 00:43:30,980 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:43:30,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:43:30 ImpRootNode [2021-11-23 00:43:30,981 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:43:30,981 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:43:30,982 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:43:30,982 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:43:30,982 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:42:35" (3/4) ... [2021-11-23 00:43:30,986 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:43:30,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-11-23 00:43:30,992 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-23 00:43:30,992 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 00:43:30,992 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 00:43:30,992 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 00:43:30,992 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-23 00:43:30,993 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 00:43:30,993 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-11-23 00:43:30,993 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-11-23 00:43:31,002 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 73 nodes and edges [2021-11-23 00:43:31,003 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-11-23 00:43:31,004 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-23 00:43:31,004 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 00:43:31,005 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 00:43:31,006 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:43:31,006 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:43:31,034 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(methaneLevelCritical == 0) && !(methAndRunningLastTime == 0)) || (!(1 == systemActive) && !(0 == systemActive))) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || (!(pumpRunning == 0) && 1 == systemActive)) || (pumpRunning == \old(pumpRunning) && 0 == systemActive) [2021-11-23 00:43:31,036 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2021-11-23 00:43:31,083 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0b1cab-7df9-4b06-96b1-dd6fa70cb9c4/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:43:31,083 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:43:31,084 INFO L158 Benchmark]: Toolchain (without parser) took 57230.00ms. Allocated memory was 113.2MB in the beginning and 499.1MB in the end (delta: 385.9MB). Free memory was 80.4MB in the beginning and 215.1MB in the end (delta: -134.7MB). Peak memory consumption was 250.9MB. Max. memory is 16.1GB. [2021-11-23 00:43:31,084 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 113.2MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:43:31,085 INFO L158 Benchmark]: CACSL2BoogieTranslator took 627.37ms. Allocated memory is still 113.2MB. Free memory was 80.2MB in the beginning and 78.8MB in the end (delta: 1.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:43:31,085 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.58ms. Allocated memory is still 113.2MB. Free memory was 78.8MB in the beginning and 76.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 00:43:31,086 INFO L158 Benchmark]: Boogie Preprocessor took 55.02ms. Allocated memory is still 113.2MB. Free memory was 76.2MB in the beginning and 74.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:43:31,086 INFO L158 Benchmark]: RCFGBuilder took 695.57ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 74.6MB in the beginning and 110.1MB in the end (delta: -35.5MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2021-11-23 00:43:31,087 INFO L158 Benchmark]: CodeCheck took 55642.45ms. Allocated memory was 136.3MB in the beginning and 499.1MB in the end (delta: 362.8MB). Free memory was 110.1MB in the beginning and 222.4MB in the end (delta: -112.3MB). Peak memory consumption was 250.2MB. Max. memory is 16.1GB. [2021-11-23 00:43:31,087 INFO L158 Benchmark]: Witness Printer took 101.55ms. Allocated memory is still 499.1MB. Free memory was 221.4MB in the beginning and 215.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:43:31,090 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, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 54.9s, OverallIterations: 84, 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, 59348 SdHoareTripleChecker+Valid, 121.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33429 mSDsluCounter, 69197 SdHoareTripleChecker+Invalid, 100.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 57267 mSDsCounter, 26592 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 86494 IncrementalHoareTripleChecker+Invalid, 113086 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26592 mSolverCounterUnsat, 15030 mSDtfsCounter, 86494 mSolverCounterSat, 2.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 54746 GetRequests, 54013 SyntacticMatches, 75 SemanticMatches, 658 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217429 ImplicationChecksByTransitivity, 46.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 4777 NumberOfCodeBlocks, 4777 NumberOfCodeBlocksAsserted, 83 NumberOfCheckSat, 4694 ConstructedInterpolants, 0 QuantifiedInterpolants, 8961 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 83 InterpolantComputations, 74 PerfectInterpolantSequences, 2105/2160 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: 895]: 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: 983]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: ((((!(methaneLevelCritical == 0) && !(methAndRunningLastTime == 0)) || (!(1 == systemActive) && !(0 == systemActive))) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || (!(pumpRunning == 0) && 1 == systemActive)) || (pumpRunning == \old(pumpRunning) && 0 == systemActive) - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || !(tmp == 0) - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: (!(splverifierCounter == 0) || pumpRunning == 0) || (!(methaneLevelCritical == 0) && !(methAndRunningLastTime == 0)) - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 113.2MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 627.37ms. Allocated memory is still 113.2MB. Free memory was 80.2MB in the beginning and 78.8MB in the end (delta: 1.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.58ms. Allocated memory is still 113.2MB. Free memory was 78.8MB in the beginning and 76.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.02ms. Allocated memory is still 113.2MB. Free memory was 76.2MB in the beginning and 74.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 695.57ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 74.6MB in the beginning and 110.1MB in the end (delta: -35.5MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * CodeCheck took 55642.45ms. Allocated memory was 136.3MB in the beginning and 499.1MB in the end (delta: 362.8MB). Free memory was 110.1MB in the beginning and 222.4MB in the end (delta: -112.3MB). Peak memory consumption was 250.2MB. Max. memory is 16.1GB. * Witness Printer took 101.55ms. Allocated memory is still 499.1MB. Free memory was 221.4MB in the beginning and 215.1MB 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 00:43:31,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e0b1cab-7df9-4b06-96b1-dd6fa70cb9c4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE