./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.13.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87efbfb-1c6c-48c1-b9a8-f1f2c962b777/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87efbfb-1c6c-48c1-b9a8-f1f2c962b777/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87efbfb-1c6c-48c1-b9a8-f1f2c962b777/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87efbfb-1c6c-48c1-b9a8-f1f2c962b777/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.13.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87efbfb-1c6c-48c1-b9a8-f1f2c962b777/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87efbfb-1c6c-48c1-b9a8-f1f2c962b777/bin/ukojak-92XMlrwhuB --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 b77809112787d30d81c7c3c0f8f2a230e1ec99494e3dfc2397bd48db4468ad64 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:38:44,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:38:44,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:38:44,613 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:38:44,614 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:38:44,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:38:44,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:38:44,626 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:38:44,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:38:44,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:38:44,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:38:44,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:38:44,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:38:44,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:38:44,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:38:44,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:38:44,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:38:44,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:38:44,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:38:44,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:38:44,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:38:44,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:38:44,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:38:44,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:38:44,669 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:38:44,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:38:44,670 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:38:44,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:38:44,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:38:44,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:38:44,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:38:44,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:38:44,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:38:44,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:38:44,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:38:44,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:38:44,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:38:44,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:38:44,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:38:44,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:38:44,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:38:44,681 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87efbfb-1c6c-48c1-b9a8-f1f2c962b777/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:38:44,703 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:38:44,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:38:44,704 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:38:44,704 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:38:44,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:38:44,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:38:44,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:38:44,706 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:38:44,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:38:44,706 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:38:44,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:38:44,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:38:44,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:38:44,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:38:44,707 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:38:44,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:38:44,708 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:38:44,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:38:44,708 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:38:44,708 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:38:44,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:38:44,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:38:44,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:38:44,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:38:44,709 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:38:44,709 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:38:44,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:38:44,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:38:44,710 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_b87efbfb-1c6c-48c1-b9a8-f1f2c962b777/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87efbfb-1c6c-48c1-b9a8-f1f2c962b777/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b77809112787d30d81c7c3c0f8f2a230e1ec99494e3dfc2397bd48db4468ad64 [2022-10-17 16:38:44,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:38:44,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:38:44,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:38:44,995 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:38:44,996 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:38:44,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87efbfb-1c6c-48c1-b9a8-f1f2c962b777/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.13.cil-2.c [2022-10-17 16:38:45,070 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87efbfb-1c6c-48c1-b9a8-f1f2c962b777/bin/ukojak-92XMlrwhuB/data/0d1e46c16/d77a888814a74612a186f56523d91590/FLAG7ea28cb5d [2022-10-17 16:38:45,591 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:38:45,592 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87efbfb-1c6c-48c1-b9a8-f1f2c962b777/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.13.cil-2.c [2022-10-17 16:38:45,610 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87efbfb-1c6c-48c1-b9a8-f1f2c962b777/bin/ukojak-92XMlrwhuB/data/0d1e46c16/d77a888814a74612a186f56523d91590/FLAG7ea28cb5d [2022-10-17 16:38:45,913 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87efbfb-1c6c-48c1-b9a8-f1f2c962b777/bin/ukojak-92XMlrwhuB/data/0d1e46c16/d77a888814a74612a186f56523d91590 [2022-10-17 16:38:45,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:38:45,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:38:45,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:38:45,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:38:45,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:38:45,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:38:45" (1/1) ... [2022-10-17 16:38:45,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c6ce1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:45, skipping insertion in model container [2022-10-17 16:38:45,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:38:45" (1/1) ... [2022-10-17 16:38:45,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:38:46,008 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:38:46,251 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_b87efbfb-1c6c-48c1-b9a8-f1f2c962b777/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.13.cil-2.c[913,926] [2022-10-17 16:38:46,327 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_b87efbfb-1c6c-48c1-b9a8-f1f2c962b777/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.13.cil-2.c[5977,5990] [2022-10-17 16:38:46,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:38:46,560 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:38:46,574 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_b87efbfb-1c6c-48c1-b9a8-f1f2c962b777/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.13.cil-2.c[913,926] [2022-10-17 16:38:46,588 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_b87efbfb-1c6c-48c1-b9a8-f1f2c962b777/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.13.cil-2.c[5977,5990] [2022-10-17 16:38:46,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:38:46,712 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:38:46,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:46 WrapperNode [2022-10-17 16:38:46,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:38:46,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:38:46,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:38:46,714 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:38:46,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:46" (1/1) ... [2022-10-17 16:38:46,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:46" (1/1) ... [2022-10-17 16:38:46,819 INFO L138 Inliner]: procedures = 74, calls = 87, calls flagged for inlining = 49, calls inlined = 49, statements flattened = 1113 [2022-10-17 16:38:46,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:38:46,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:38:46,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:38:46,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:38:46,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:46" (1/1) ... [2022-10-17 16:38:46,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:46" (1/1) ... [2022-10-17 16:38:46,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:46" (1/1) ... [2022-10-17 16:38:46,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:46" (1/1) ... [2022-10-17 16:38:46,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:46" (1/1) ... [2022-10-17 16:38:46,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:46" (1/1) ... [2022-10-17 16:38:46,883 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:46" (1/1) ... [2022-10-17 16:38:46,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:46" (1/1) ... [2022-10-17 16:38:46,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:38:46,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:38:46,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:38:46,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:38:46,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:46" (1/1) ... [2022-10-17 16:38:46,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:38:46,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87efbfb-1c6c-48c1-b9a8-f1f2c962b777/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:38:46,963 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87efbfb-1c6c-48c1-b9a8-f1f2c962b777/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:38:46,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87efbfb-1c6c-48c1-b9a8-f1f2c962b777/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:38:47,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:38:47,018 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-10-17 16:38:47,018 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-10-17 16:38:47,018 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2022-10-17 16:38:47,019 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2022-10-17 16:38:47,019 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2022-10-17 16:38:47,019 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2022-10-17 16:38:47,019 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2022-10-17 16:38:47,019 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2022-10-17 16:38:47,020 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2022-10-17 16:38:47,020 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2022-10-17 16:38:47,020 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2022-10-17 16:38:47,021 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2022-10-17 16:38:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2022-10-17 16:38:47,021 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2022-10-17 16:38:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:38:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2022-10-17 16:38:47,022 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2022-10-17 16:38:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:38:47,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:38:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2022-10-17 16:38:47,023 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2022-10-17 16:38:47,185 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:38:47,190 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:38:48,364 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:38:49,091 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:38:49,092 INFO L300 CfgBuilder]: Removed 20 assume(true) statements. [2022-10-17 16:38:49,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:38:49 BoogieIcfgContainer [2022-10-17 16:38:49,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:38:49,097 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:38:49,097 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:38:49,109 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:38:49,109 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:38:49" (1/1) ... [2022-10-17 16:38:49,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:38:49,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:49,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 250 states and 387 transitions. [2022-10-17 16:38:49,242 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 387 transitions. [2022-10-17 16:38:49,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:38:49,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:49,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:49,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:49,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:49,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 255 states and 393 transitions. [2022-10-17 16:38:49,847 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 393 transitions. [2022-10-17 16:38:49,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:38:49,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:49,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:49,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:50,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:50,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 265 states and 413 transitions. [2022-10-17 16:38:50,089 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 413 transitions. [2022-10-17 16:38:50,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:38:50,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:50,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:50,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:50,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:50,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 277 states and 436 transitions. [2022-10-17 16:38:50,401 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 436 transitions. [2022-10-17 16:38:50,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:38:50,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:50,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:50,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:50,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:50,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 277 states and 435 transitions. [2022-10-17 16:38:50,454 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 435 transitions. [2022-10-17 16:38:50,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:38:50,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:50,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:50,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:51,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:51,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 280 states and 441 transitions. [2022-10-17 16:38:51,096 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 441 transitions. [2022-10-17 16:38:51,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:38:51,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:51,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:51,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:51,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:51,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 288 states and 456 transitions. [2022-10-17 16:38:51,936 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 456 transitions. [2022-10-17 16:38:51,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:38:51,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:51,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:51,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:52,038 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:38:52,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:52,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 296 states and 471 transitions. [2022-10-17 16:38:52,945 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 471 transitions. [2022-10-17 16:38:52,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:38:52,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:52,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:52,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:53,058 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:38:53,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:53,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 298 states and 475 transitions. [2022-10-17 16:38:53,362 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 475 transitions. [2022-10-17 16:38:53,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:38:53,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:53,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:53,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:53,509 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:38:53,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:53,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 302 states and 480 transitions. [2022-10-17 16:38:53,602 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 480 transitions. [2022-10-17 16:38:53,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:38:53,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:53,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:53,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:53,734 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:38:54,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:54,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 309 states and 496 transitions. [2022-10-17 16:38:54,236 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 496 transitions. [2022-10-17 16:38:54,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:38:54,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:54,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:54,288 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:38:54,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:54,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 316 states and 513 transitions. [2022-10-17 16:38:54,631 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 513 transitions. [2022-10-17 16:38:54,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:38:54,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:54,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:54,720 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:38:54,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:54,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 318 states and 516 transitions. [2022-10-17 16:38:54,856 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 516 transitions. [2022-10-17 16:38:54,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:38:54,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:54,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:55,278 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:38:55,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:55,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 327 states and 531 transitions. [2022-10-17 16:38:55,647 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 531 transitions. [2022-10-17 16:38:55,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:38:55,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:55,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:55,791 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:38:55,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:55,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 328 states and 531 transitions. [2022-10-17 16:38:55,850 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 531 transitions. [2022-10-17 16:38:55,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:38:55,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:55,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:55,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:55,909 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:38:56,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:56,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 337 states and 546 transitions. [2022-10-17 16:38:56,561 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 546 transitions. [2022-10-17 16:38:56,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:38:56,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:56,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:56,635 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 16:38:56,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:56,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 337 states and 545 transitions. [2022-10-17 16:38:56,663 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 545 transitions. [2022-10-17 16:38:56,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:38:56,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:56,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:56,848 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:38:58,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:58,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 350 states and 579 transitions. [2022-10-17 16:38:58,184 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 579 transitions. [2022-10-17 16:38:58,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:38:58,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:58,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:58,318 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:38:58,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:58,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 356 states and 591 transitions. [2022-10-17 16:38:58,989 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 591 transitions. [2022-10-17 16:38:58,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:38:58,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:58,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:59,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:59,123 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:38:59,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:59,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 362 states and 602 transitions. [2022-10-17 16:38:59,590 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 602 transitions. [2022-10-17 16:38:59,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:38:59,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:59,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:59,974 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:39:04,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:04,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 388 states and 661 transitions. [2022-10-17 16:39:04,287 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 661 transitions. [2022-10-17 16:39:04,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:39:04,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:04,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:04,342 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:39:05,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:05,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 398 states and 679 transitions. [2022-10-17 16:39:05,443 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 679 transitions. [2022-10-17 16:39:05,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:39:05,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:05,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:05,494 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:39:06,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:06,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 404 states and 692 transitions. [2022-10-17 16:39:06,154 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 692 transitions. [2022-10-17 16:39:06,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:39:06,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:06,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:06,238 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-17 16:39:06,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:06,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 405 states and 696 transitions. [2022-10-17 16:39:06,703 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 696 transitions. [2022-10-17 16:39:06,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:39:06,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:06,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:06,765 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-17 16:39:07,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:07,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 406 states and 699 transitions. [2022-10-17 16:39:07,034 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 699 transitions. [2022-10-17 16:39:07,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:39:07,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:07,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:07,117 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-17 16:39:07,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:07,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 407 states and 704 transitions. [2022-10-17 16:39:07,435 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 704 transitions. [2022-10-17 16:39:07,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:39:07,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:07,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:07,818 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:39:10,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:10,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 422 states and 741 transitions. [2022-10-17 16:39:10,313 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 741 transitions. [2022-10-17 16:39:10,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:39:10,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:10,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:10,485 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:39:10,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:10,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 423 states and 743 transitions. [2022-10-17 16:39:10,794 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 743 transitions. [2022-10-17 16:39:10,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:39:10,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:10,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:10,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:11,270 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:39:12,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:12,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 425 states and 750 transitions. [2022-10-17 16:39:12,552 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 750 transitions. [2022-10-17 16:39:12,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:39:12,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:12,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:13,227 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:39:14,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:14,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 425 states and 749 transitions. [2022-10-17 16:39:14,231 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 749 transitions. [2022-10-17 16:39:14,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:39:14,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:14,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:14,447 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:39:15,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:15,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 425 states and 748 transitions. [2022-10-17 16:39:15,254 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 748 transitions. [2022-10-17 16:39:15,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:39:15,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:15,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms