./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.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_728c70a9-89f6-4294-97bb-ebe8c1b740e2/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728c70a9-89f6-4294-97bb-ebe8c1b740e2/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_728c70a9-89f6-4294-97bb-ebe8c1b740e2/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728c70a9-89f6-4294-97bb-ebe8c1b740e2/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728c70a9-89f6-4294-97bb-ebe8c1b740e2/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_728c70a9-89f6-4294-97bb-ebe8c1b740e2/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 65b8d16e4fb153ef37dd57c64863e1dd20ac9a55503c1fdc63aa83fadd0f6c16 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:44:52,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:44:52,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:44:52,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:44:52,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:44:52,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:44:52,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:44:52,607 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:44:52,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:44:52,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:44:52,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:44:52,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:44:52,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:44:52,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:44:52,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:44:52,633 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:44:52,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:44:52,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:44:52,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:44:52,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:44:52,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:44:52,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:44:52,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:44:52,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:44:52,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:44:52,662 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:44:52,662 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:44:52,665 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:44:52,665 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:44:52,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:44:52,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:44:52,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:44:52,671 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:44:52,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:44:52,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:44:52,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:44:52,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:44:52,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:44:52,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:44:52,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:44:52,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:44:52,679 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728c70a9-89f6-4294-97bb-ebe8c1b740e2/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:44:52,731 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:44:52,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:44:52,733 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:44:52,733 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:44:52,734 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:44:52,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:44:52,735 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:44:52,735 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:44:52,735 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:44:52,735 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:44:52,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:44:52,737 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:44:52,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:44:52,737 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:44:52,738 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:44:52,738 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:44:52,738 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:44:52,738 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:44:52,739 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:44:52,739 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:44:52,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:44:52,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:44:52,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:44:52,740 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:44:52,740 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:44:52,740 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:44:52,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:44:52,741 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:44:52,741 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_728c70a9-89f6-4294-97bb-ebe8c1b740e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728c70a9-89f6-4294-97bb-ebe8c1b740e2/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65b8d16e4fb153ef37dd57c64863e1dd20ac9a55503c1fdc63aa83fadd0f6c16 [2021-11-23 00:44:53,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:44:53,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:44:53,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:44:53,075 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:44:53,076 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:44:53,078 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728c70a9-89f6-4294-97bb-ebe8c1b740e2/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2021-11-23 00:44:53,156 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728c70a9-89f6-4294-97bb-ebe8c1b740e2/bin/ukojak-LBtLqBUTdQ/data/72854fab2/7f56b73ca4cc4b68b149305f089f6c9f/FLAGb7f8fa851 [2021-11-23 00:44:53,738 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:44:53,742 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728c70a9-89f6-4294-97bb-ebe8c1b740e2/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2021-11-23 00:44:53,761 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728c70a9-89f6-4294-97bb-ebe8c1b740e2/bin/ukojak-LBtLqBUTdQ/data/72854fab2/7f56b73ca4cc4b68b149305f089f6c9f/FLAGb7f8fa851 [2021-11-23 00:44:54,020 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728c70a9-89f6-4294-97bb-ebe8c1b740e2/bin/ukojak-LBtLqBUTdQ/data/72854fab2/7f56b73ca4cc4b68b149305f089f6c9f [2021-11-23 00:44:54,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:44:54,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:44:54,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:44:54,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:44:54,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:44:54,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:44:54" (1/1) ... [2021-11-23 00:44:54,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@792f35de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:54, skipping insertion in model container [2021-11-23 00:44:54,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:44:54" (1/1) ... [2021-11-23 00:44:54,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:44:54,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:44:54,337 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_728c70a9-89f6-4294-97bb-ebe8c1b740e2/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c[7182,7195] [2021-11-23 00:44:54,353 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_728c70a9-89f6-4294-97bb-ebe8c1b740e2/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c[9513,9526] [2021-11-23 00:44:54,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:44:54,377 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:44:54,425 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_728c70a9-89f6-4294-97bb-ebe8c1b740e2/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c[7182,7195] [2021-11-23 00:44:54,436 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_728c70a9-89f6-4294-97bb-ebe8c1b740e2/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c[9513,9526] [2021-11-23 00:44:54,445 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:44:54,462 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:44:54,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:54 WrapperNode [2021-11-23 00:44:54,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:44:54,464 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:44:54,465 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:44:54,465 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:44:54,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:54" (1/1) ... [2021-11-23 00:44:54,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:54" (1/1) ... [2021-11-23 00:44:54,547 INFO L137 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 466 [2021-11-23 00:44:54,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:44:54,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:44:54,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:44:54,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:44:54,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:54" (1/1) ... [2021-11-23 00:44:54,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:54" (1/1) ... [2021-11-23 00:44:54,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:54" (1/1) ... [2021-11-23 00:44:54,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:54" (1/1) ... [2021-11-23 00:44:54,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:54" (1/1) ... [2021-11-23 00:44:54,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:54" (1/1) ... [2021-11-23 00:44:54,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:54" (1/1) ... [2021-11-23 00:44:54,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:44:54,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:44:54,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:44:54,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:44:54,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:54" (1/1) ... [2021-11-23 00:44:54,616 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:44:54,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728c70a9-89f6-4294-97bb-ebe8c1b740e2/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:44:54,651 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728c70a9-89f6-4294-97bb-ebe8c1b740e2/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:44:54,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728c70a9-89f6-4294-97bb-ebe8c1b740e2/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:44:54,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:44:54,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:44:54,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:44:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:44:54,834 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:44:54,836 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:44:55,437 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:44:55,562 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:44:55,563 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 00:44:55,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:44:55 BoogieIcfgContainer [2021-11-23 00:44:55,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:44:55,567 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:44:55,567 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:44:55,579 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:44:55,579 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:44:55" (1/1) ... [2021-11-23 00:44:55,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:44:55,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:55,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 79 states and 134 transitions. [2021-11-23 00:44:55,690 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 134 transitions. [2021-11-23 00:44:55,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:44:55,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:55,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:55,985 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 00:44:56,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:56,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 85 states and 144 transitions. [2021-11-23 00:44:56,160 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 144 transitions. [2021-11-23 00:44:56,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:44:56,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:56,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:56,364 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 00:44:56,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:56,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 82 states and 138 transitions. [2021-11-23 00:44:56,443 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 138 transitions. [2021-11-23 00:44:56,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:44:56,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:56,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:56,582 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 00:44:57,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:57,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 85 states and 143 transitions. [2021-11-23 00:44:57,020 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 143 transitions. [2021-11-23 00:44:57,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:44:57,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:57,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:57,133 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 00:44:57,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:57,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 82 states and 137 transitions. [2021-11-23 00:44:57,192 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 137 transitions. [2021-11-23 00:44:57,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:44:57,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:57,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:57,282 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 00:44:57,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:57,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 79 states and 131 transitions. [2021-11-23 00:44:57,333 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 131 transitions. [2021-11-23 00:44:57,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:44:57,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:57,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:57,488 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 00:44:58,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:58,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 79 states and 130 transitions. [2021-11-23 00:44:58,285 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 130 transitions. [2021-11-23 00:44:58,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:44:58,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:58,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:58,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:02,127 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 00:45:10,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:10,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 79 states and 128 transitions. [2021-11-23 00:45:10,003 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 128 transitions. [2021-11-23 00:45:10,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:45:10,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:10,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:10,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:15,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:43,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:43,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 76 states and 122 transitions. [2021-11-23 00:45:43,961 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 122 transitions. [2021-11-23 00:45:43,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 00:45:43,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:43,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:44,213 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 00:45:46,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:46,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 79 states and 127 transitions. [2021-11-23 00:45:46,615 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 127 transitions. [2021-11-23 00:45:46,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:45:46,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:46,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:46,840 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 00:45:48,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:48,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 87 states and 142 transitions. [2021-11-23 00:45:48,892 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 142 transitions. [2021-11-23 00:45:48,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:45:48,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:48,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:48,934 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 00:45:48,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:48,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 88 states and 142 transitions. [2021-11-23 00:45:48,950 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 142 transitions. [2021-11-23 00:45:48,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 00:45:48,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:48,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:48,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:49,244 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 00:45:51,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:51,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 101 states and 167 transitions. [2021-11-23 00:45:51,483 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 167 transitions. [2021-11-23 00:45:51,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 00:45:51,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:51,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:51,524 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 00:45:51,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:51,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 102 states and 167 transitions. [2021-11-23 00:45:51,542 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 167 transitions. [2021-11-23 00:45:51,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 00:45:51,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:51,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:51,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:51,579 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 00:45:51,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:51,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 103 states and 167 transitions. [2021-11-23 00:45:51,596 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 167 transitions. [2021-11-23 00:45:51,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:45:51,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:51,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:51,631 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 00:45:53,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:53,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 121 states and 201 transitions. [2021-11-23 00:45:53,447 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 201 transitions. [2021-11-23 00:45:53,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:45:53,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:53,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:53,482 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 00:45:53,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:53,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 122 states and 201 transitions. [2021-11-23 00:45:53,515 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 201 transitions. [2021-11-23 00:45:53,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:45:53,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:53,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:53,550 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 00:45:53,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:53,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 123 states and 201 transitions. [2021-11-23 00:45:53,578 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 201 transitions. [2021-11-23 00:45:53,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:45:53,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:53,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:53,613 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 00:45:53,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:53,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 124 states and 201 transitions. [2021-11-23 00:45:53,642 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 201 transitions. [2021-11-23 00:45:53,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:45:53,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:53,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:53,847 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 00:45:56,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:56,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 144 states and 238 transitions. [2021-11-23 00:45:56,359 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 238 transitions. [2021-11-23 00:45:56,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:45:56,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:56,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:56,638 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 00:45:59,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:59,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 163 states and 272 transitions. [2021-11-23 00:45:59,620 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 272 transitions. [2021-11-23 00:45:59,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:45:59,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:59,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:59,798 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 00:45:59,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:59,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 164 states and 272 transitions. [2021-11-23 00:45:59,826 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 272 transitions. [2021-11-23 00:45:59,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:45:59,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:59,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:59,905 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 00:45:59,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:59,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 165 states and 272 transitions. [2021-11-23 00:45:59,936 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 272 transitions. [2021-11-23 00:45:59,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:45:59,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:59,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:00,112 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 00:46:00,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:00,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 166 states and 272 transitions. [2021-11-23 00:46:00,144 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 272 transitions. [2021-11-23 00:46:00,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:46:00,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:00,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:00,177 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 00:46:00,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:00,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 167 states and 272 transitions. [2021-11-23 00:46:00,206 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 272 transitions. [2021-11-23 00:46:00,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:46:00,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:00,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:00,244 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 00:46:01,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:01,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 168 states and 275 transitions. [2021-11-23 00:46:01,047 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 275 transitions. [2021-11-23 00:46:01,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:46:01,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:01,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:01,215 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 00:46:01,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:01,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 169 states and 275 transitions. [2021-11-23 00:46:01,826 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 275 transitions. [2021-11-23 00:46:01,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 00:46:01,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:01,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:02,834 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 00:46:05,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:05,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 173 states and 285 transitions. [2021-11-23 00:46:05,024 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 285 transitions. [2021-11-23 00:46:05,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 00:46:05,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:05,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:05,382 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:46:13,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:13,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 187 states and 313 transitions. [2021-11-23 00:46:13,867 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 313 transitions. [2021-11-23 00:46:13,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 00:46:13,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:13,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:15,846 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:46:46,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:46,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 191 states and 321 transitions. [2021-11-23 00:46:46,599 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 321 transitions. [2021-11-23 00:46:46,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 00:46:46,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:46,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:46,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:46,657 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:46:46,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:46,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 192 states and 321 transitions. [2021-11-23 00:46:46,765 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 321 transitions. [2021-11-23 00:46:46,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 00:46:46,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:46,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:06,499 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:13,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:13,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 223 states and 422 transitions. [2021-11-23 00:49:13,456 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 422 transitions. [2021-11-23 00:49:13,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 00:49:13,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:13,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:13,509 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:49:13,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:13,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 224 states and 422 transitions. [2021-11-23 00:49:13,661 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 422 transitions. [2021-11-23 00:49:13,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 00:49:13,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:13,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:14,330 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:49:52,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:52,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 233 states and 445 transitions. [2021-11-23 00:49:52,073 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 445 transitions. [2021-11-23 00:49:52,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-23 00:49:52,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:52,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:52,604 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:50:04,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:04,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 238 states and 456 transitions. [2021-11-23 00:50:04,913 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 456 transitions. [2021-11-23 00:50:04,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-23 00:50:04,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:04,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:05,485 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:50:39,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:39,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 253 states and 493 transitions. [2021-11-23 00:50:39,177 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 493 transitions. [2021-11-23 00:50:39,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-23 00:50:39,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:39,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:39,974 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:51:05,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:05,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 263 states and 517 transitions. [2021-11-23 00:51:05,643 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 517 transitions. [2021-11-23 00:51:05,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 00:51:05,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:05,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:05,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:59,614 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:36,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:36,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 294 states and 645 transitions. [2021-11-23 00:56:36,755 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 645 transitions. [2021-11-23 00:56:36,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 00:56:36,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:36,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:38,819 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.