./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.12.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_a32be36a-39e1-42ad-a8e5-c6ea80ebbe9c/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32be36a-39e1-42ad-a8e5-c6ea80ebbe9c/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_a32be36a-39e1-42ad-a8e5-c6ea80ebbe9c/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32be36a-39e1-42ad-a8e5-c6ea80ebbe9c/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.12.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32be36a-39e1-42ad-a8e5-c6ea80ebbe9c/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_a32be36a-39e1-42ad-a8e5-c6ea80ebbe9c/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 67128d109acca52d0fda3c2f0434d60ee9cc5cc865496b6446183c0a601e748c --- 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 17:01:31,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:01:31,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:01:31,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:01:31,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:01:31,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:01:31,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:01:31,813 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:01:31,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:01:31,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:01:31,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:01:31,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:01:31,826 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:01:31,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:01:31,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:01:31,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:01:31,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:01:31,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:01:31,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:01:31,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:01:31,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:01:31,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:01:31,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:01:31,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:01:31,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:01:31,869 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:01:31,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:01:31,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:01:31,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:01:31,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:01:31,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:01:31,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:01:31,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:01:31,879 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:01:31,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:01:31,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:01:31,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:01:31,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:01:31,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:01:31,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:01:31,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:01:31,886 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32be36a-39e1-42ad-a8e5-c6ea80ebbe9c/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:01:31,929 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:01:31,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:01:31,931 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:01:31,931 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:01:31,932 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:01:31,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:01:31,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:01:31,933 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:01:31,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:01:31,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:01:31,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:01:31,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:01:31,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:01:31,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:01:31,935 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:01:31,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:01:31,936 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:01:31,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:01:31,936 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:01:31,936 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:01:31,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:01:31,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:31,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:01:31,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:01:31,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:01:31,938 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:01:31,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:01:31,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:01:31,941 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_a32be36a-39e1-42ad-a8e5-c6ea80ebbe9c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32be36a-39e1-42ad-a8e5-c6ea80ebbe9c/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67128d109acca52d0fda3c2f0434d60ee9cc5cc865496b6446183c0a601e748c [2022-10-17 17:01:32,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:01:32,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:01:32,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:01:32,311 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:01:32,312 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:01:32,313 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32be36a-39e1-42ad-a8e5-c6ea80ebbe9c/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.12.cil-1.c [2022-10-17 17:01:32,377 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32be36a-39e1-42ad-a8e5-c6ea80ebbe9c/bin/ukojak-92XMlrwhuB/data/59e7eb3f1/5e8804ab699143e0897f2175ca81d41e/FLAG255203bcc [2022-10-17 17:01:32,859 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:01:32,860 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32be36a-39e1-42ad-a8e5-c6ea80ebbe9c/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.12.cil-1.c [2022-10-17 17:01:32,887 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32be36a-39e1-42ad-a8e5-c6ea80ebbe9c/bin/ukojak-92XMlrwhuB/data/59e7eb3f1/5e8804ab699143e0897f2175ca81d41e/FLAG255203bcc [2022-10-17 17:01:33,191 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32be36a-39e1-42ad-a8e5-c6ea80ebbe9c/bin/ukojak-92XMlrwhuB/data/59e7eb3f1/5e8804ab699143e0897f2175ca81d41e [2022-10-17 17:01:33,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:01:33,195 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:01:33,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:33,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:01:33,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:01:33,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:33,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ef74341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33, skipping insertion in model container [2022-10-17 17:01:33,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:33,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:01:33,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:01:33,463 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_a32be36a-39e1-42ad-a8e5-c6ea80ebbe9c/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.12.cil-1.c[913,926] [2022-10-17 17:01:33,531 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_a32be36a-39e1-42ad-a8e5-c6ea80ebbe9c/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.12.cil-1.c[5977,5990] [2022-10-17 17:01:33,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:33,737 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:01:33,756 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_a32be36a-39e1-42ad-a8e5-c6ea80ebbe9c/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.12.cil-1.c[913,926] [2022-10-17 17:01:33,768 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_a32be36a-39e1-42ad-a8e5-c6ea80ebbe9c/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.12.cil-1.c[5977,5990] [2022-10-17 17:01:33,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:33,864 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:01:33,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33 WrapperNode [2022-10-17 17:01:33,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:33,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:33,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:01:33,867 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:01:33,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:33,896 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:33,971 INFO L138 Inliner]: procedures = 72, calls = 85, calls flagged for inlining = 46, calls inlined = 46, statements flattened = 1060 [2022-10-17 17:01:33,971 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:33,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:01:33,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:01:33,973 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:01:33,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:33,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:33,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:33,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:34,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:34,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:34,048 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:34,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:34,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:01:34,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:01:34,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:01:34,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:01:34,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:34,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:34,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32be36a-39e1-42ad-a8e5-c6ea80ebbe9c/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:01:34,107 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32be36a-39e1-42ad-a8e5-c6ea80ebbe9c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:01:34,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32be36a-39e1-42ad-a8e5-c6ea80ebbe9c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:01:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:01:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-10-17 17:01:34,150 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-10-17 17:01:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2022-10-17 17:01:34,150 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2022-10-17 17:01:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2022-10-17 17:01:34,150 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2022-10-17 17:01:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2022-10-17 17:01:34,150 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2022-10-17 17:01:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2022-10-17 17:01:34,151 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2022-10-17 17:01:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2022-10-17 17:01:34,151 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2022-10-17 17:01:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2022-10-17 17:01:34,151 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2022-10-17 17:01:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:01:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2022-10-17 17:01:34,151 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2022-10-17 17:01:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:01:34,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:01:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2022-10-17 17:01:34,152 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2022-10-17 17:01:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2022-10-17 17:01:34,152 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2022-10-17 17:01:34,363 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:01:34,376 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:01:35,448 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:01:36,020 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:01:36,020 INFO L300 CfgBuilder]: Removed 19 assume(true) statements. [2022-10-17 17:01:36,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:36 BoogieIcfgContainer [2022-10-17 17:01:36,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:01:36,026 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:01:36,026 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:01:36,036 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:01:36,037 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:36" (1/1) ... [2022-10-17 17:01:36,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:01:36,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:36,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 245 states and 379 transitions. [2022-10-17 17:01:36,164 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 379 transitions. [2022-10-17 17:01:36,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 17:01:36,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:36,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:36,508 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 17:01:36,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:36,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 250 states and 385 transitions. [2022-10-17 17:01:36,612 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 385 transitions. [2022-10-17 17:01:36,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 17:01:36,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:36,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:36,772 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 17:01:36,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:36,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 260 states and 405 transitions. [2022-10-17 17:01:36,872 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 405 transitions. [2022-10-17 17:01:36,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 17:01:36,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:36,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:36,994 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 17:01:37,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:37,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 272 states and 428 transitions. [2022-10-17 17:01:37,210 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 428 transitions. [2022-10-17 17:01:37,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 17:01:37,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:37,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:37,264 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 17:01:37,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:37,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 272 states and 427 transitions. [2022-10-17 17:01:37,278 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 427 transitions. [2022-10-17 17:01:37,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 17:01:37,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:37,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:37,595 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 17:01:37,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:37,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 275 states and 433 transitions. [2022-10-17 17:01:37,896 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 433 transitions. [2022-10-17 17:01:37,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 17:01:37,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:37,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:37,973 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 17:01:38,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:38,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 283 states and 448 transitions. [2022-10-17 17:01:38,529 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 448 transitions. [2022-10-17 17:01:38,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 17:01:38,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:38,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:38,626 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 17:01:39,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:39,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 291 states and 463 transitions. [2022-10-17 17:01:39,376 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 463 transitions. [2022-10-17 17:01:39,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 17:01:39,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:39,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:39,438 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 17:01:39,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:39,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 293 states and 467 transitions. [2022-10-17 17:01:39,699 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 467 transitions. [2022-10-17 17:01:39,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 17:01:39,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:39,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:39,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:39,819 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 17:01:39,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:39,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 297 states and 472 transitions. [2022-10-17 17:01:39,903 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 472 transitions. [2022-10-17 17:01:39,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:01:39,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:39,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:40,028 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 17:01:40,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:40,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 304 states and 488 transitions. [2022-10-17 17:01:40,463 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 488 transitions. [2022-10-17 17:01:40,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 17:01:40,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:40,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:40,536 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 17:01:40,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:40,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 311 states and 505 transitions. [2022-10-17 17:01:40,817 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 505 transitions. [2022-10-17 17:01:40,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 17:01:40,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:40,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:40,862 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 17:01:40,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:40,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 313 states and 508 transitions. [2022-10-17 17:01:40,957 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 508 transitions. [2022-10-17 17:01:40,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 17:01:40,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:40,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:41,295 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 17:01:41,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:41,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 322 states and 523 transitions. [2022-10-17 17:01:41,616 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 523 transitions. [2022-10-17 17:01:41,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 17:01:41,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:41,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:41,771 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 17:01:41,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:41,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 323 states and 523 transitions. [2022-10-17 17:01:41,795 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 523 transitions. [2022-10-17 17:01:41,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 17:01:41,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:41,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:41,840 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 17:01:42,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:42,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 332 states and 538 transitions. [2022-10-17 17:01:42,360 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 538 transitions. [2022-10-17 17:01:42,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 17:01:42,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:42,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:42,434 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 17:01:42,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:42,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 332 states and 537 transitions. [2022-10-17 17:01:42,453 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 537 transitions. [2022-10-17 17:01:42,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 17:01:42,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:42,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:42,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:42,613 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 17:01:43,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:43,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 345 states and 571 transitions. [2022-10-17 17:01:43,711 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 571 transitions. [2022-10-17 17:01:43,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 17:01:43,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:43,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:43,844 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 17:01:44,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:44,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 351 states and 583 transitions. [2022-10-17 17:01:44,322 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 583 transitions. [2022-10-17 17:01:44,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 17:01:44,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:44,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:44,432 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 17:01:44,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:44,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 357 states and 594 transitions. [2022-10-17 17:01:44,787 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 594 transitions. [2022-10-17 17:01:44,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 17:01:44,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:44,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:45,127 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 17:01:48,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:48,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 383 states and 653 transitions. [2022-10-17 17:01:48,498 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 653 transitions. [2022-10-17 17:01:48,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 17:01:48,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:48,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:48,554 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 17:01:49,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:49,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 393 states and 673 transitions. [2022-10-17 17:01:49,502 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 673 transitions. [2022-10-17 17:01:49,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 17:01:49,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:49,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:49,538 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 17:01:49,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:49,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 399 states and 684 transitions. [2022-10-17 17:01:49,997 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 684 transitions. [2022-10-17 17:01:49,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 17:01:49,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:49,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:50,060 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 17:01:50,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:50,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 400 states and 688 transitions. [2022-10-17 17:01:50,436 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 688 transitions. [2022-10-17 17:01:50,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 17:01:50,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:50,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:50,493 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 17:01:50,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:50,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 401 states and 693 transitions. [2022-10-17 17:01:50,742 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 693 transitions. [2022-10-17 17:01:50,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 17:01:50,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:50,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:50,799 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 17:01:51,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:51,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 402 states and 696 transitions. [2022-10-17 17:01:51,034 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 696 transitions. [2022-10-17 17:01:51,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 17:01:51,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:51,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:51,357 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 17:01:54,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:54,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 418 states and 735 transitions. [2022-10-17 17:01:54,109 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 735 transitions. [2022-10-17 17:01:54,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 17:01:54,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:54,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:54,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:54,568 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 17:01:55,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:55,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 420 states and 742 transitions. [2022-10-17 17:01:55,778 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 742 transitions. [2022-10-17 17:01:55,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 17:01:55,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:55,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:56,338 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 17:01:57,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:57,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 420 states and 741 transitions. [2022-10-17 17:01:57,261 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 741 transitions. [2022-10-17 17:01:57,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 17:01:57,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:57,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:57,407 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 17:01:58,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:58,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 420 states and 740 transitions. [2022-10-17 17:01:58,097 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 740 transitions. [2022-10-17 17:01:58,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 17:01:58,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:58,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:58,262 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:01:58,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:58,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 418 states and 736 transitions. [2022-10-17 17:01:58,451 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 736 transitions. [2022-10-17 17:01:58,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 17:01:58,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:58,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:58,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:58,496 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-17 17:01:58,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:58,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 423 states and 744 transitions. [2022-10-17 17:01:58,821 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 744 transitions. [2022-10-17 17:01:58,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 17:01:58,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:58,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:58,887 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 17:01:59,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:59,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 428 states and 758 transitions. [2022-10-17 17:01:59,198 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 758 transitions. [2022-10-17 17:01:59,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 17:01:59,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:59,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:59,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:59,278 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 17:01:59,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:59,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 430 states and 761 transitions. [2022-10-17 17:01:59,865 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 761 transitions. [2022-10-17 17:01:59,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 17:01:59,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:59,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:59,982 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 17:02:00,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:00,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 428 states and 750 transitions. [2022-10-17 17:02:00,020 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 750 transitions. [2022-10-17 17:02:00,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 17:02:00,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:00,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:00,128 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 17:02:00,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:00,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 429 states and 753 transitions. [2022-10-17 17:02:00,164 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 753 transitions. [2022-10-17 17:02:00,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 17:02:00,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:00,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:00,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:00,275 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 17:02:00,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:00,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 430 states and 754 transitions. [2022-10-17 17:02:00,344 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 754 transitions. [2022-10-17 17:02:00,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 17:02:00,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:00,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:00,467 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 17:02:00,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:00,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 435 states and 768 transitions. [2022-10-17 17:02:00,910 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 768 transitions. [2022-10-17 17:02:00,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 17:02:00,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:00,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:00,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:01,025 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 17:02:01,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:01,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 437 states and 771 transitions. [2022-10-17 17:02:01,643 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 771 transitions. [2022-10-17 17:02:01,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 17:02:01,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:01,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:01,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:01,790 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.