./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.06.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c81c1d0-c1f7-4dc6-9f00-0b8953775877/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c81c1d0-c1f7-4dc6-9f00-0b8953775877/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_3c81c1d0-c1f7-4dc6-9f00-0b8953775877/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c81c1d0-c1f7-4dc6-9f00-0b8953775877/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.06.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c81c1d0-c1f7-4dc6-9f00-0b8953775877/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_3c81c1d0-c1f7-4dc6-9f00-0b8953775877/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 0becd5109c9f10d4cd495bd258560ff3ae7f6a1dd143c8dd06621d725fa7a35e --- 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 17:02:33,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:02:33,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:02:33,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:02:33,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:02:33,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:02:33,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:02:33,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:02:33,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:02:33,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:02:33,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:02:33,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:02:33,687 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:02:33,689 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:02:33,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:02:33,694 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:02:33,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:02:33,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:02:33,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:02:33,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:02:33,708 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:02:33,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:02:33,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:02:33,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:02:33,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:02:33,717 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:02:33,717 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:02:33,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:02:33,719 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:02:33,720 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:02:33,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:02:33,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:02:33,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:02:33,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:02:33,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:02:33,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:02:33,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:02:33,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:02:33,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:02:33,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:02:33,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:02:33,737 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c81c1d0-c1f7-4dc6-9f00-0b8953775877/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:02:33,793 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:02:33,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:02:33,795 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:02:33,795 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:02:33,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:02:33,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:02:33,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:02:33,797 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:02:33,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:02:33,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:02:33,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:02:33,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:02:33,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:02:33,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:02:33,800 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:02:33,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:02:33,800 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:02:33,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:02:33,800 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:02:33,801 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:02:33,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:02:33,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:33,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:02:33,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:02:33,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:02:33,802 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:02:33,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:02:33,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:02:33,803 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_3c81c1d0-c1f7-4dc6-9f00-0b8953775877/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c81c1d0-c1f7-4dc6-9f00-0b8953775877/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0becd5109c9f10d4cd495bd258560ff3ae7f6a1dd143c8dd06621d725fa7a35e [2022-10-17 17:02:34,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:02:34,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:02:34,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:02:34,110 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:02:34,111 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:02:34,113 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c81c1d0-c1f7-4dc6-9f00-0b8953775877/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.06.cil-2.c [2022-10-17 17:02:34,176 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c81c1d0-c1f7-4dc6-9f00-0b8953775877/bin/ukojak-92XMlrwhuB/data/3cc4ecdff/3fc99103a3dc4b0bb0aded305362034a/FLAGc6467e803 [2022-10-17 17:02:34,729 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:02:34,730 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c81c1d0-c1f7-4dc6-9f00-0b8953775877/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.06.cil-2.c [2022-10-17 17:02:34,748 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c81c1d0-c1f7-4dc6-9f00-0b8953775877/bin/ukojak-92XMlrwhuB/data/3cc4ecdff/3fc99103a3dc4b0bb0aded305362034a/FLAGc6467e803 [2022-10-17 17:02:35,024 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c81c1d0-c1f7-4dc6-9f00-0b8953775877/bin/ukojak-92XMlrwhuB/data/3cc4ecdff/3fc99103a3dc4b0bb0aded305362034a [2022-10-17 17:02:35,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:02:35,029 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:02:35,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:35,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:02:35,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:02:35,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:35" (1/1) ... [2022-10-17 17:02:35,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a9c1935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:35, skipping insertion in model container [2022-10-17 17:02:35,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:35" (1/1) ... [2022-10-17 17:02:35,053 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:02:35,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:02:35,286 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_3c81c1d0-c1f7-4dc6-9f00-0b8953775877/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.06.cil-2.c[914,927] [2022-10-17 17:02:35,343 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_3c81c1d0-c1f7-4dc6-9f00-0b8953775877/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.06.cil-2.c[7115,7128] [2022-10-17 17:02:35,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:35,423 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:02:35,434 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_3c81c1d0-c1f7-4dc6-9f00-0b8953775877/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.06.cil-2.c[914,927] [2022-10-17 17:02:35,454 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_3c81c1d0-c1f7-4dc6-9f00-0b8953775877/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.06.cil-2.c[7115,7128] [2022-10-17 17:02:35,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:35,555 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:02:35,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:35 WrapperNode [2022-10-17 17:02:35,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:35,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:35,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:02:35,557 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:02:35,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:35" (1/1) ... [2022-10-17 17:02:35,583 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:35" (1/1) ... [2022-10-17 17:02:35,672 INFO L138 Inliner]: procedures = 65, calls = 75, calls flagged for inlining = 34, calls inlined = 34, statements flattened = 692 [2022-10-17 17:02:35,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:35,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:02:35,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:02:35,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:02:35,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:35" (1/1) ... [2022-10-17 17:02:35,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:35" (1/1) ... [2022-10-17 17:02:35,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:35" (1/1) ... [2022-10-17 17:02:35,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:35" (1/1) ... [2022-10-17 17:02:35,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:35" (1/1) ... [2022-10-17 17:02:35,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:35" (1/1) ... [2022-10-17 17:02:35,753 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:35" (1/1) ... [2022-10-17 17:02:35,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:35" (1/1) ... [2022-10-17 17:02:35,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:02:35,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:02:35,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:02:35,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:02:35,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:35" (1/1) ... [2022-10-17 17:02:35,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:35,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c81c1d0-c1f7-4dc6-9f00-0b8953775877/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:02:35,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c81c1d0-c1f7-4dc6-9f00-0b8953775877/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:02:35,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c81c1d0-c1f7-4dc6-9f00-0b8953775877/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:02:35,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:02:35,885 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-10-17 17:02:35,886 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-10-17 17:02:35,886 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2022-10-17 17:02:35,886 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2022-10-17 17:02:35,886 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2022-10-17 17:02:35,886 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2022-10-17 17:02:35,886 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2022-10-17 17:02:35,887 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2022-10-17 17:02:35,887 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2022-10-17 17:02:35,887 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2022-10-17 17:02:35,887 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2022-10-17 17:02:35,888 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2022-10-17 17:02:35,888 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2022-10-17 17:02:35,888 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2022-10-17 17:02:35,888 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2022-10-17 17:02:35,889 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2022-10-17 17:02:35,889 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2022-10-17 17:02:35,889 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2022-10-17 17:02:35,889 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2022-10-17 17:02:35,889 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2022-10-17 17:02:35,889 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2022-10-17 17:02:35,890 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2022-10-17 17:02:35,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:02:35,890 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2022-10-17 17:02:35,890 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2022-10-17 17:02:35,890 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2022-10-17 17:02:35,890 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2022-10-17 17:02:35,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:02:35,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:02:35,891 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2022-10-17 17:02:35,891 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2022-10-17 17:02:36,067 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:02:36,070 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:02:36,935 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:02:37,408 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:02:37,408 INFO L300 CfgBuilder]: Removed 13 assume(true) statements. [2022-10-17 17:02:37,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:37 BoogieIcfgContainer [2022-10-17 17:02:37,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:02:37,413 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:02:37,413 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:02:37,423 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:02:37,423 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:37" (1/1) ... [2022-10-17 17:02:37,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:02:37,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:37,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 194 states and 285 transitions. [2022-10-17 17:02:37,498 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 285 transitions. [2022-10-17 17:02:37,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 17:02:37,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:37,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:37,975 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 17:02:38,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:38,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 202 states and 295 transitions. [2022-10-17 17:02:38,150 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 295 transitions. [2022-10-17 17:02:38,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 17:02:38,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:38,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:38,599 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 17:02:39,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:39,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 215 states and 320 transitions. [2022-10-17 17:02:39,502 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 320 transitions. [2022-10-17 17:02:39,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 17:02:39,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:39,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:39,588 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 17:02:40,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:40,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 210 states and 307 transitions. [2022-10-17 17:02:40,046 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 307 transitions. [2022-10-17 17:02:40,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 17:02:40,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:40,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:40,146 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 17:02:40,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:40,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 220 states and 327 transitions. [2022-10-17 17:02:40,366 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 327 transitions. [2022-10-17 17:02:40,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 17:02:40,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:40,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:40,464 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 17:02:41,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:41,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 232 states and 350 transitions. [2022-10-17 17:02:41,174 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 350 transitions. [2022-10-17 17:02:41,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 17:02:41,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:41,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:41,236 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 17:02:41,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:41,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 232 states and 349 transitions. [2022-10-17 17:02:41,263 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 349 transitions. [2022-10-17 17:02:41,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 17:02:41,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:41,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:41,411 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 17:02:41,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:41,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 237 states and 357 transitions. [2022-10-17 17:02:41,691 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 357 transitions. [2022-10-17 17:02:41,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 17:02:41,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:41,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:41,758 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 17:02:42,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:42,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 245 states and 373 transitions. [2022-10-17 17:02:42,313 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 373 transitions. [2022-10-17 17:02:42,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 17:02:42,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:42,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:42,526 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 17:02:42,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:42,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 266 states and 413 transitions. [2022-10-17 17:02:42,658 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 413 transitions. [2022-10-17 17:02:42,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 17:02:42,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:42,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:42,789 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 17:02:42,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:42,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 267 states and 413 transitions. [2022-10-17 17:02:42,805 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 413 transitions. [2022-10-17 17:02:42,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 17:02:42,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:42,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:42,894 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 17:02:42,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:42,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 268 states and 413 transitions. [2022-10-17 17:02:42,907 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 413 transitions. [2022-10-17 17:02:42,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 17:02:42,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:42,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:42,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:42,999 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 17:02:43,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:43,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 269 states and 413 transitions. [2022-10-17 17:02:43,014 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 413 transitions. [2022-10-17 17:02:43,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 17:02:43,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:43,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:43,115 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 17:02:43,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:43,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 270 states and 413 transitions. [2022-10-17 17:02:43,146 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 413 transitions. [2022-10-17 17:02:43,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 17:02:43,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:43,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:43,274 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 17:02:43,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:43,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 271 states and 413 transitions. [2022-10-17 17:02:43,287 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 413 transitions. [2022-10-17 17:02:43,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 17:02:43,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:43,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:43,472 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 17:02:43,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:43,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 289 states and 452 transitions. [2022-10-17 17:02:43,891 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 452 transitions. [2022-10-17 17:02:43,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 17:02:43,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:43,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:44,019 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 17:02:44,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:44,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 290 states and 452 transitions. [2022-10-17 17:02:44,036 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 452 transitions. [2022-10-17 17:02:44,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 17:02:44,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:44,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:44,125 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 17:02:44,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:44,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 291 states and 452 transitions. [2022-10-17 17:02:44,140 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 452 transitions. [2022-10-17 17:02:44,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 17:02:44,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:44,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:44,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:44,218 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 17:02:44,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:44,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 292 states and 452 transitions. [2022-10-17 17:02:44,233 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 452 transitions. [2022-10-17 17:02:44,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 17:02:44,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:44,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:44,409 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 17:02:44,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:44,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 304 states and 479 transitions. [2022-10-17 17:02:44,859 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 479 transitions. [2022-10-17 17:02:44,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 17:02:44,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:44,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:44,939 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 17:02:44,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:44,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 305 states and 479 transitions. [2022-10-17 17:02:44,953 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 479 transitions. [2022-10-17 17:02:44,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 17:02:44,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:44,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:45,031 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 17:02:45,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:45,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 306 states and 479 transitions. [2022-10-17 17:02:45,046 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 479 transitions. [2022-10-17 17:02:45,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 17:02:45,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:45,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:45,238 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 17:02:45,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:45,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 315 states and 500 transitions. [2022-10-17 17:02:45,780 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 500 transitions. [2022-10-17 17:02:45,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 17:02:45,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:45,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:45,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:45,910 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 17:02:46,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:46,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 323 states and 515 transitions. [2022-10-17 17:02:46,282 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 515 transitions. [2022-10-17 17:02:46,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 17:02:46,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:46,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:46,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:02:46,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:46,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 330 states and 525 transitions. [2022-10-17 17:02:46,967 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 525 transitions. [2022-10-17 17:02:46,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 17:02:46,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:46,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:46,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:47,086 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 17:02:47,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:47,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 331 states and 528 transitions. [2022-10-17 17:02:47,332 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 528 transitions. [2022-10-17 17:02:47,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 17:02:47,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:47,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:47,539 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:48,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:48,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 341 states and 550 transitions. [2022-10-17 17:02:48,640 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 550 transitions. [2022-10-17 17:02:48,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 17:02:48,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:48,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:48,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:48,782 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 17:02:48,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:48,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 342 states and 551 transitions. [2022-10-17 17:02:48,802 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 551 transitions. [2022-10-17 17:02:48,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 17:02:48,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:48,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:49,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:52,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:52,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 364 states and 595 transitions. [2022-10-17 17:02:52,586 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 595 transitions. [2022-10-17 17:02:52,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 17:02:52,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:52,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:52,730 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 17:02:53,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:53,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 368 states and 600 transitions. [2022-10-17 17:02:53,015 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 600 transitions. [2022-10-17 17:02:53,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 17:02:53,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:53,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:53,054 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:02:53,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:53,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 368 states and 598 transitions. [2022-10-17 17:02:53,696 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 598 transitions. [2022-10-17 17:02:53,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 17:02:53,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:53,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:53,830 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 17:02:54,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:54,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 375 states and 615 transitions. [2022-10-17 17:02:54,823 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 615 transitions. [2022-10-17 17:02:54,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 17:02:54,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:54,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:55,453 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:02:58,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:58,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 383 states and 632 transitions. [2022-10-17 17:02:58,980 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 632 transitions. [2022-10-17 17:02:58,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 17:02:58,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:58,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:59,095 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:03:00,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:00,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 391 states and 649 transitions. [2022-10-17 17:03:00,956 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 649 transitions. [2022-10-17 17:03:00,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 17:03:00,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:00,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:00,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:01,122 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:03:01,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:01,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 392 states and 651 transitions. [2022-10-17 17:03:01,577 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 651 transitions. [2022-10-17 17:03:01,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 17:03:01,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:01,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:01,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:01,619 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 17:03:02,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:02,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 399 states and 675 transitions. [2022-10-17 17:03:02,707 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 675 transitions. [2022-10-17 17:03:02,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 17:03:02,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:02,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:02,743 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 17:03:03,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:03,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 401 states and 680 transitions. [2022-10-17 17:03:03,118 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 680 transitions. [2022-10-17 17:03:03,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 17:03:03,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:03,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:03,154 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 17:03:03,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:03,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 406 states and 688 transitions. [2022-10-17 17:03:03,535 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 688 transitions. [2022-10-17 17:03:03,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 17:03:03,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:03,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:03,574 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 17:03:04,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:04,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 407 states and 691 transitions. [2022-10-17 17:03:04,074 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 691 transitions. [2022-10-17 17:03:04,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 17:03:04,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:04,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:04,149 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.