./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.06.cil-1.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_0c69670b-386f-475c-8a06-721cabae8d75/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c69670b-386f-475c-8a06-721cabae8d75/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_0c69670b-386f-475c-8a06-721cabae8d75/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c69670b-386f-475c-8a06-721cabae8d75/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.06.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c69670b-386f-475c-8a06-721cabae8d75/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_0c69670b-386f-475c-8a06-721cabae8d75/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 0a12aada2256a7483e8803a0f1fb8477c858b141679e1395c89cdfba20292c4b --- 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 16:51:46,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:51:46,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:51:46,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:51:46,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:51:46,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:51:46,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:51:46,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:51:46,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:51:46,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:51:46,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:51:46,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:51:46,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:51:46,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:51:46,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:51:46,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:51:46,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:51:46,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:51:46,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:51:46,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:51:46,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:51:46,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:51:46,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:51:46,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:51:46,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:51:46,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:51:46,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:51:46,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:51:46,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:51:46,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:51:46,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:51:46,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:51:46,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:51:46,739 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:51:46,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:51:46,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:51:46,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:51:46,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:51:46,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:51:46,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:51:46,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:51:46,751 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c69670b-386f-475c-8a06-721cabae8d75/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:51:46,800 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:51:46,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:51:46,805 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:51:46,805 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:51:46,806 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:51:46,806 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:51:46,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:51:46,807 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:51:46,807 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:51:46,807 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:51:46,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:51:46,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:51:46,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:51:46,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:51:46,810 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:51:46,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:51:46,810 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:51:46,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:51:46,810 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:51:46,811 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:51:46,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:51:46,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:46,811 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:51:46,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:51:46,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:51:46,812 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:51:46,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:51:46,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:51:46,815 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_0c69670b-386f-475c-8a06-721cabae8d75/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c69670b-386f-475c-8a06-721cabae8d75/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a12aada2256a7483e8803a0f1fb8477c858b141679e1395c89cdfba20292c4b [2022-10-17 16:51:47,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:51:47,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:51:47,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:51:47,160 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:51:47,162 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:51:47,163 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c69670b-386f-475c-8a06-721cabae8d75/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.06.cil-1.c [2022-10-17 16:51:47,235 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c69670b-386f-475c-8a06-721cabae8d75/bin/ukojak-92XMlrwhuB/data/9d702cc06/4134e14937de4dd6a439505136479768/FLAGe9595c4f5 [2022-10-17 16:51:47,806 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:51:47,806 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c69670b-386f-475c-8a06-721cabae8d75/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.06.cil-1.c [2022-10-17 16:51:47,838 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c69670b-386f-475c-8a06-721cabae8d75/bin/ukojak-92XMlrwhuB/data/9d702cc06/4134e14937de4dd6a439505136479768/FLAGe9595c4f5 [2022-10-17 16:51:48,092 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c69670b-386f-475c-8a06-721cabae8d75/bin/ukojak-92XMlrwhuB/data/9d702cc06/4134e14937de4dd6a439505136479768 [2022-10-17 16:51:48,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:51:48,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:51:48,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:48,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:51:48,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:51:48,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:48" (1/1) ... [2022-10-17 16:51:48,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@515b025a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:48, skipping insertion in model container [2022-10-17 16:51:48,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:48" (1/1) ... [2022-10-17 16:51:48,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:51:48,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:51:48,420 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_0c69670b-386f-475c-8a06-721cabae8d75/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.06.cil-1.c[911,924] [2022-10-17 16:51:48,526 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_0c69670b-386f-475c-8a06-721cabae8d75/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.06.cil-1.c[8416,8429] [2022-10-17 16:51:48,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:48,612 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:51:48,626 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_0c69670b-386f-475c-8a06-721cabae8d75/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.06.cil-1.c[911,924] [2022-10-17 16:51:48,681 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_0c69670b-386f-475c-8a06-721cabae8d75/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.06.cil-1.c[8416,8429] [2022-10-17 16:51:48,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:48,788 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:51:48,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:48 WrapperNode [2022-10-17 16:51:48,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:48,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:48,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:51:48,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:51:48,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:48" (1/1) ... [2022-10-17 16:51:48,832 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:48" (1/1) ... [2022-10-17 16:51:48,893 INFO L138 Inliner]: procedures = 67, calls = 80, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 735 [2022-10-17 16:51:48,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:48,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:51:48,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:51:48,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:51:48,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:48" (1/1) ... [2022-10-17 16:51:48,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:48" (1/1) ... [2022-10-17 16:51:48,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:48" (1/1) ... [2022-10-17 16:51:48,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:48" (1/1) ... [2022-10-17 16:51:48,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:48" (1/1) ... [2022-10-17 16:51:48,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:48" (1/1) ... [2022-10-17 16:51:48,952 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:48" (1/1) ... [2022-10-17 16:51:48,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:48" (1/1) ... [2022-10-17 16:51:48,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:51:48,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:51:48,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:51:48,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:51:48,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:48" (1/1) ... [2022-10-17 16:51:48,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:48,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c69670b-386f-475c-8a06-721cabae8d75/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:51:49,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c69670b-386f-475c-8a06-721cabae8d75/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:51:49,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c69670b-386f-475c-8a06-721cabae8d75/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:51:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:51:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-10-17 16:51:49,060 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-10-17 16:51:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2022-10-17 16:51:49,061 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2022-10-17 16:51:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2022-10-17 16:51:49,061 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2022-10-17 16:51:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2022-10-17 16:51:49,061 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2022-10-17 16:51:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2022-10-17 16:51:49,061 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2022-10-17 16:51:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2022-10-17 16:51:49,062 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2022-10-17 16:51:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2022-10-17 16:51:49,062 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2022-10-17 16:51:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2022-10-17 16:51:49,062 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2022-10-17 16:51:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2022-10-17 16:51:49,063 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2022-10-17 16:51:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2022-10-17 16:51:49,063 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2022-10-17 16:51:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2022-10-17 16:51:49,063 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2022-10-17 16:51:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:51:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2022-10-17 16:51:49,064 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2022-10-17 16:51:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2022-10-17 16:51:49,064 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2022-10-17 16:51:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:51:49,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:51:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2022-10-17 16:51:49,064 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2022-10-17 16:51:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2022-10-17 16:51:49,065 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2022-10-17 16:51:49,187 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:51:49,190 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:51:50,189 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !(1 == ~q_free~0); [2022-10-17 16:51:50,189 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 2;~a_t~0 := do_read_c_~a~0#1; [2022-10-17 16:51:50,259 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:51:50,674 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:51:50,674 INFO L300 CfgBuilder]: Removed 13 assume(true) statements. [2022-10-17 16:51:50,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:50 BoogieIcfgContainer [2022-10-17 16:51:50,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:51:50,681 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:51:50,681 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:51:50,693 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:51:50,694 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:50" (1/1) ... [2022-10-17 16:51:50,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:51:50,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:50,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 207 states and 307 transitions. [2022-10-17 16:51:50,830 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 307 transitions. [2022-10-17 16:51:50,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:51:50,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:50,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:51,259 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 16:51:51,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:51,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 212 states and 312 transitions. [2022-10-17 16:51:51,381 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 312 transitions. [2022-10-17 16:51:51,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:51:51,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:51,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:51,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:51,520 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 16:51:51,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:51,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 218 states and 320 transitions. [2022-10-17 16:51:51,610 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 320 transitions. [2022-10-17 16:51:51,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:51:51,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:51,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:51,772 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 16:51:52,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:52,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 224 states and 331 transitions. [2022-10-17 16:51:52,049 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 331 transitions. [2022-10-17 16:51:52,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:51:52,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:52,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:52,561 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 16:51:53,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:53,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 230 states and 342 transitions. [2022-10-17 16:51:53,667 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 342 transitions. [2022-10-17 16:51:53,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:51:53,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:53,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:53,782 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 16:51:54,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:54,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 240 states and 361 transitions. [2022-10-17 16:51:54,012 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 361 transitions. [2022-10-17 16:51:54,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:51:54,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:54,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:54,084 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 16:51:54,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:54,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 243 states and 367 transitions. [2022-10-17 16:51:54,122 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 367 transitions. [2022-10-17 16:51:54,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:51:54,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:54,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:54,182 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 16:51:54,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:54,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 251 states and 380 transitions. [2022-10-17 16:51:54,452 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 380 transitions. [2022-10-17 16:51:54,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:51:54,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:54,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:54,711 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 16:51:54,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:54,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 271 states and 418 transitions. [2022-10-17 16:51:54,830 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 418 transitions. [2022-10-17 16:51:54,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:51:54,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:54,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:54,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:54,937 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 16:51:54,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:54,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 272 states and 418 transitions. [2022-10-17 16:51:54,952 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 418 transitions. [2022-10-17 16:51:54,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:51:54,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:54,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:55,084 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 16:51:55,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:55,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 273 states and 418 transitions. [2022-10-17 16:51:55,119 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 418 transitions. [2022-10-17 16:51:55,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:51:55,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:55,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:55,215 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 16:51:55,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:55,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 274 states and 418 transitions. [2022-10-17 16:51:55,238 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 418 transitions. [2022-10-17 16:51:55,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:51:55,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:55,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:55,327 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 16:51:55,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:55,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 275 states and 418 transitions. [2022-10-17 16:51:55,341 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 418 transitions. [2022-10-17 16:51:55,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:51:55,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:55,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:55,453 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 16:51:55,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:55,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 276 states and 418 transitions. [2022-10-17 16:51:55,466 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 418 transitions. [2022-10-17 16:51:55,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:51:55,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:55,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:55,656 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 16:51:56,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:56,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 294 states and 457 transitions. [2022-10-17 16:51:56,030 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 457 transitions. [2022-10-17 16:51:56,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:51:56,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:56,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:56,113 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 16:51:56,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:56,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 295 states and 457 transitions. [2022-10-17 16:51:56,130 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 457 transitions. [2022-10-17 16:51:56,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:51:56,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:56,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:56,211 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 16:51:56,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:56,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 296 states and 457 transitions. [2022-10-17 16:51:56,247 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 457 transitions. [2022-10-17 16:51:56,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:51:56,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:56,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:56,329 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 16:51:56,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:56,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 297 states and 457 transitions. [2022-10-17 16:51:56,345 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 457 transitions. [2022-10-17 16:51:56,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:51:56,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:56,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:56,509 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 16:51:56,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:56,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 309 states and 484 transitions. [2022-10-17 16:51:56,908 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 484 transitions. [2022-10-17 16:51:56,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:51:56,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:56,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:57,014 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 16:51:57,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:57,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 310 states and 484 transitions. [2022-10-17 16:51:57,032 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 484 transitions. [2022-10-17 16:51:57,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:51:57,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:57,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:57,120 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 16:51:57,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:57,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 311 states and 484 transitions. [2022-10-17 16:51:57,138 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 484 transitions. [2022-10-17 16:51:57,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:51:57,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:57,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:57,309 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 16:51:57,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:57,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 320 states and 505 transitions. [2022-10-17 16:51:57,768 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 505 transitions. [2022-10-17 16:51:57,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:51:57,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:57,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:57,884 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 16:51:58,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:58,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 328 states and 520 transitions. [2022-10-17 16:51:58,227 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 520 transitions. [2022-10-17 16:51:58,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:51:58,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:58,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:58,852 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 16:52:02,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:02,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 341 states and 547 transitions. [2022-10-17 16:52:02,986 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 547 transitions. [2022-10-17 16:52:02,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:52:02,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:02,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:03,147 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:52:03,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:03,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 339 states and 538 transitions. [2022-10-17 16:52:03,941 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 538 transitions. [2022-10-17 16:52:03,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:52:03,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:03,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:04,129 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 16:52:04,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:04,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 341 states and 542 transitions. [2022-10-17 16:52:04,824 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 542 transitions. [2022-10-17 16:52:04,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:52:04,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:04,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:04,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:04,987 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 16:52:05,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:05,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 343 states and 545 transitions. [2022-10-17 16:52:05,034 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 545 transitions. [2022-10-17 16:52:05,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:52:05,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:05,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:05,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:05,211 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 16:52:05,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:05,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 346 states and 550 transitions. [2022-10-17 16:52:05,257 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 550 transitions. [2022-10-17 16:52:05,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:52:05,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:05,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:05,346 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 16:52:06,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:06,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 353 states and 563 transitions. [2022-10-17 16:52:06,089 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 563 transitions. [2022-10-17 16:52:06,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:52:06,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:06,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:06,138 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 16:52:06,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:06,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 358 states and 570 transitions. [2022-10-17 16:52:06,342 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 570 transitions. [2022-10-17 16:52:06,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 16:52:06,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:06,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:06,387 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 16:52:06,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:06,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 360 states and 573 transitions. [2022-10-17 16:52:06,636 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 573 transitions. [2022-10-17 16:52:06,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 16:52:06,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:06,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:06,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:06,702 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:52:07,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:07,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 365 states and 581 transitions. [2022-10-17 16:52:07,087 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 581 transitions. [2022-10-17 16:52:07,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:52:07,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:07,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:07,147 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 16:52:07,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:07,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 368 states and 587 transitions. [2022-10-17 16:52:07,187 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 587 transitions. [2022-10-17 16:52:07,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:52:07,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:07,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:07,232 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 16:52:08,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:08,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 377 states and 603 transitions. [2022-10-17 16:52:08,313 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 603 transitions. [2022-10-17 16:52:08,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 16:52:08,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:08,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:08,374 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:52:08,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:08,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 377 states and 601 transitions. [2022-10-17 16:52:08,409 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 601 transitions. [2022-10-17 16:52:08,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:52:08,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:08,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:09,007 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:52:13,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:13,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 405 states and 667 transitions. [2022-10-17 16:52:13,015 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 667 transitions. [2022-10-17 16:52:13,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:52:13,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:13,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:13,292 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.