./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.5.4.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1b96f-8a4a-4005-a943-b6bf776e3bb0/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1b96f-8a4a-4005-a943-b6bf776e3bb0/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1b96f-8a4a-4005-a943-b6bf776e3bb0/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1b96f-8a4a-4005-a943-b6bf776e3bb0/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.5.4.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1b96f-8a4a-4005-a943-b6bf776e3bb0/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1b96f-8a4a-4005-a943-b6bf776e3bb0/bin/ukojak-rkRKPMF4O4 --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 06a3cb5dc06e83ae44b59088a65983410109ccc62fdf540c55c383c9af585403 --- 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-2329fc7 [2022-12-14 20:04:43,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:04:43,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:04:43,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:04:43,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:04:43,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:04:43,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:04:43,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:04:43,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:04:43,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:04:43,983 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:04:43,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:04:43,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:04:43,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:04:43,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:04:43,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:04:43,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:04:43,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:04:43,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:04:43,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:04:43,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:04:43,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:04:43,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:04:43,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:04:43,997 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:04:43,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:04:43,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:04:43,998 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:04:43,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:04:43,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:04:43,999 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:04:44,000 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:04:44,000 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:04:44,001 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:04:44,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:04:44,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:04:44,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:04:44,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:04:44,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:04:44,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:04:44,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:04:44,004 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1b96f-8a4a-4005-a943-b6bf776e3bb0/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 20:04:44,019 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:04:44,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:04:44,019 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:04:44,019 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:04:44,020 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:04:44,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:04:44,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:04:44,020 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:04:44,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:04:44,021 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:04:44,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:04:44,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:04:44,021 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:04:44,021 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:04:44,021 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:04:44,021 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:04:44,021 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:04:44,021 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:04:44,022 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:04:44,022 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:04:44,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:04:44,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:04:44,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:04:44,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:04:44,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:04:44,022 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:04:44,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:04:44,023 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:04:44,023 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_60b1b96f-8a4a-4005-a943-b6bf776e3bb0/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1b96f-8a4a-4005-a943-b6bf776e3bb0/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06a3cb5dc06e83ae44b59088a65983410109ccc62fdf540c55c383c9af585403 [2022-12-14 20:04:44,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:04:44,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:04:44,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:04:44,206 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:04:44,206 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:04:44,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1b96f-8a4a-4005-a943-b6bf776e3bb0/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.5.4.ufo.UNBOUNDED.pals.c [2022-12-14 20:04:46,798 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:04:47,005 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:04:47,006 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1b96f-8a4a-4005-a943-b6bf776e3bb0/sv-benchmarks/c/seq-mthreaded/pals_floodmax.5.4.ufo.UNBOUNDED.pals.c [2022-12-14 20:04:47,019 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1b96f-8a4a-4005-a943-b6bf776e3bb0/bin/ukojak-rkRKPMF4O4/data/e90c7ebf9/ecb35498715948f694545be405b2d060/FLAG0547a8563 [2022-12-14 20:04:47,029 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1b96f-8a4a-4005-a943-b6bf776e3bb0/bin/ukojak-rkRKPMF4O4/data/e90c7ebf9/ecb35498715948f694545be405b2d060 [2022-12-14 20:04:47,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:04:47,032 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:04:47,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:04:47,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:04:47,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:04:47,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:04:47" (1/1) ... [2022-12-14 20:04:47,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c3debd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:47, skipping insertion in model container [2022-12-14 20:04:47,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:04:47" (1/1) ... [2022-12-14 20:04:47,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:04:47,082 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:04:47,323 WARN L237 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_60b1b96f-8a4a-4005-a943-b6bf776e3bb0/sv-benchmarks/c/seq-mthreaded/pals_floodmax.5.4.ufo.UNBOUNDED.pals.c[61125,61138] [2022-12-14 20:04:47,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:04:47,336 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:04:47,416 WARN L237 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_60b1b96f-8a4a-4005-a943-b6bf776e3bb0/sv-benchmarks/c/seq-mthreaded/pals_floodmax.5.4.ufo.UNBOUNDED.pals.c[61125,61138] [2022-12-14 20:04:47,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:04:47,429 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:04:47,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:47 WrapperNode [2022-12-14 20:04:47,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:04:47,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:04:47,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:04:47,430 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:04:47,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:47" (1/1) ... [2022-12-14 20:04:47,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:47" (1/1) ... [2022-12-14 20:04:47,518 INFO L138 Inliner]: procedures = 25, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 1973 [2022-12-14 20:04:47,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:04:47,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:04:47,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:04:47,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:04:47,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:47" (1/1) ... [2022-12-14 20:04:47,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:47" (1/1) ... [2022-12-14 20:04:47,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:47" (1/1) ... [2022-12-14 20:04:47,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:47" (1/1) ... [2022-12-14 20:04:47,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:47" (1/1) ... [2022-12-14 20:04:47,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:47" (1/1) ... [2022-12-14 20:04:47,585 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:47" (1/1) ... [2022-12-14 20:04:47,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:47" (1/1) ... [2022-12-14 20:04:47,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:04:47,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:04:47,602 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:04:47,603 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:04:47,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:47" (1/1) ... [2022-12-14 20:04:47,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:04:47,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1b96f-8a4a-4005-a943-b6bf776e3bb0/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:04:47,627 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1b96f-8a4a-4005-a943-b6bf776e3bb0/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:04:47,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1b96f-8a4a-4005-a943-b6bf776e3bb0/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:04:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:04:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 20:04:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:04:47,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:04:47,779 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:04:47,781 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:04:48,911 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:04:49,901 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:04:49,901 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 20:04:49,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:04:49 BoogieIcfgContainer [2022-12-14 20:04:49,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:04:49,904 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:04:49,904 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:04:49,911 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:04:49,911 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:04:49" (1/1) ... [2022-12-14 20:04:49,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 20:04:49,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:04:49,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 441 states and 754 transitions. [2022-12-14 20:04:49,961 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 754 transitions. [2022-12-14 20:04:49,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-12-14 20:04:49,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:04:49,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:04:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:04:54,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:04:54,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:04:54,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 442 states and 756 transitions. [2022-12-14 20:04:54,718 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 756 transitions. [2022-12-14 20:04:54,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-12-14 20:04:54,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:04:54,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:04:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:04:57,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:04:57,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:04:57,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 445 states and 762 transitions. [2022-12-14 20:04:57,372 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 762 transitions. [2022-12-14 20:04:57,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-14 20:04:57,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:04:57,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:04:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:04:59,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:04:59,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:04:59,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 449 states and 770 transitions. [2022-12-14 20:04:59,985 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 770 transitions. [2022-12-14 20:04:59,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-12-14 20:04:59,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:04:59,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:05:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:05:02,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:05:02,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:05:02,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 454 states and 780 transitions. [2022-12-14 20:05:02,933 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 780 transitions. [2022-12-14 20:05:02,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-14 20:05:02,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:05:02,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:05:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:05:05,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:05:05,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:05:05,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 460 states and 792 transitions. [2022-12-14 20:05:05,811 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 792 transitions. [2022-12-14 20:05:05,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-12-14 20:05:05,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:05:05,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:05:05,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:05:08,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:05:08,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:05:08,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 467 states and 806 transitions. [2022-12-14 20:05:08,949 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 806 transitions. [2022-12-14 20:05:08,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-12-14 20:05:08,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:05:08,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:05:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:05:11,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:05:13,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:05:13,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 476 states and 822 transitions. [2022-12-14 20:05:13,393 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 822 transitions. [2022-12-14 20:05:13,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-12-14 20:05:13,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:05:13,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:05:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:05:16,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:05:17,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:05:17,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 484 states and 837 transitions. [2022-12-14 20:05:17,889 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 837 transitions. [2022-12-14 20:05:17,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-12-14 20:05:17,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:05:17,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:05:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:05:18,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:05:18,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:05:18,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 485 states and 837 transitions. [2022-12-14 20:05:18,259 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 837 transitions. [2022-12-14 20:05:18,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-12-14 20:05:18,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:05:18,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:05:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:05:18,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:05:18,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:05:18,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 486 states and 838 transitions. [2022-12-14 20:05:18,374 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 838 transitions. [2022-12-14 20:05:18,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-12-14 20:05:18,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:05:18,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:05:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:05:21,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:05:24,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:05:24,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 498 states and 858 transitions. [2022-12-14 20:05:24,623 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 858 transitions. [2022-12-14 20:05:24,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-12-14 20:05:24,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:05:24,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:05:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:05:25,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:05:25,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:05:25,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 501 states and 863 transitions. [2022-12-14 20:05:25,379 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 863 transitions. [2022-12-14 20:05:25,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-12-14 20:05:25,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:05:25,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:05:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:06:18,154 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:07:02,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:02,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 638 states and 1268 transitions. [2022-12-14 20:07:02,451 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 1268 transitions. [2022-12-14 20:07:02,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-12-14 20:07:02,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:02,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:06,451 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:07:45,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:45,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 657 states and 1304 transitions. [2022-12-14 20:07:45,659 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 1304 transitions. [2022-12-14 20:07:45,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-12-14 20:07:45,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:45,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:54,363 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:08:43,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:08:43,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 674 states and 1339 transitions. [2022-12-14 20:08:43,112 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 1339 transitions. [2022-12-14 20:08:43,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-12-14 20:08:43,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:08:43,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:08:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:08:47,314 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:09:31,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:09:31,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 694 states and 1379 transitions. [2022-12-14 20:09:31,461 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 1379 transitions. [2022-12-14 20:09:31,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-12-14 20:09:31,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:09:31,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:09:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:09:34,976 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:09:36,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:09:36,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 695 states and 1380 transitions. [2022-12-14 20:09:36,209 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 1380 transitions. [2022-12-14 20:09:36,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-12-14 20:09:36,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:09:36,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:09:36,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:09:39,572 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:09:41,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:09:41,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 696 states and 1385 transitions. [2022-12-14 20:09:41,203 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 1385 transitions. [2022-12-14 20:09:41,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-12-14 20:09:41,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:09:41,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:09:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:09:44,705 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:09:49,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:09:49,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 697 states and 1387 transitions. [2022-12-14 20:09:49,649 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 1387 transitions. [2022-12-14 20:09:49,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-12-14 20:09:49,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:09:49,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:09:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:09:53,055 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:10:27,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:10:27,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 713 states and 1417 transitions. [2022-12-14 20:10:27,497 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 1417 transitions. [2022-12-14 20:10:27,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-12-14 20:10:27,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:10:27,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:10:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:10:31,997 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:11:18,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:11:18,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 734 states and 1460 transitions. [2022-12-14 20:11:18,356 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1460 transitions. [2022-12-14 20:11:18,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-12-14 20:11:18,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:11:18,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:11:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:11:21,779 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:11:24,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:11:24,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 736 states and 1470 transitions. [2022-12-14 20:11:24,380 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 1470 transitions. [2022-12-14 20:11:24,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-12-14 20:11:24,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:11:24,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:11:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:11:28,299 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:11:33,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:11:33,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 739 states and 1479 transitions. [2022-12-14 20:11:33,126 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1479 transitions. [2022-12-14 20:11:33,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-12-14 20:11:33,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:11:33,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:11:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:11:36,399 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:12:12,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:12:12,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 756 states and 1509 transitions. [2022-12-14 20:12:12,096 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 1509 transitions. [2022-12-14 20:12:12,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-12-14 20:12:12,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:12:12,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:12:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:12:17,072 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:13:03,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:13:03,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 778 states and 1555 transitions. [2022-12-14 20:13:03,691 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 1555 transitions. [2022-12-14 20:13:03,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-12-14 20:13:03,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:13:03,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:13:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:13:07,118 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:13:14,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:13:14,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 782 states and 1570 transitions. [2022-12-14 20:13:14,638 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1570 transitions. [2022-12-14 20:13:14,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-12-14 20:13:14,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:13:14,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:13:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:13:18,033 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:13:19,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:13:19,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 783 states and 1580 transitions. [2022-12-14 20:13:19,870 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1580 transitions. [2022-12-14 20:13:19,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-12-14 20:13:19,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:13:19,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:13:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:13:24,070 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:13:27,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:13:27,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 785 states and 1583 transitions. [2022-12-14 20:13:27,734 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1583 transitions. [2022-12-14 20:13:27,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-12-14 20:13:27,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:13:27,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:13:27,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:13:31,252 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:13:32,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:13:32,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 786 states and 1584 transitions. [2022-12-14 20:13:32,927 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1584 transitions. [2022-12-14 20:13:32,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-12-14 20:13:32,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:13:32,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:13:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:13:36,394 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:13:38,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:13:38,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 787 states and 1592 transitions. [2022-12-14 20:13:38,575 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1592 transitions. [2022-12-14 20:13:38,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-12-14 20:13:38,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:13:38,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:13:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:13:41,997 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:14:18,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:14:18,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1620 states to 804 states and 1620 transitions. [2022-12-14 20:14:18,484 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1620 transitions. [2022-12-14 20:14:18,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-12-14 20:14:18,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:14:18,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:14:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:14:23,711 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:15:01,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:15:01,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 820 states and 1659 transitions. [2022-12-14 20:15:01,915 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1659 transitions. [2022-12-14 20:15:01,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-12-14 20:15:01,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:15:01,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:15:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:15:05,453 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:15:13,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:15:13,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 824 states and 1675 transitions. [2022-12-14 20:15:13,009 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1675 transitions. [2022-12-14 20:15:13,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-12-14 20:15:13,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:15:13,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:15:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:15:16,438 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:15:24,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:15:24,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1692 states to 828 states and 1692 transitions. [2022-12-14 20:15:24,390 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1692 transitions. [2022-12-14 20:15:24,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-12-14 20:15:24,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:15:24,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:15:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:15:28,033 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:15:29,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:15:29,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 829 states and 1694 transitions. [2022-12-14 20:15:29,827 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1694 transitions. [2022-12-14 20:15:29,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-12-14 20:15:29,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:15:29,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:15:29,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:15:33,293 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:15:39,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:15:39,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 832 states and 1697 transitions. [2022-12-14 20:15:39,289 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1697 transitions. [2022-12-14 20:15:39,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-12-14 20:15:39,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:15:39,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:15:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:15:42,816 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:15:45,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:15:45,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 833 states and 1708 transitions. [2022-12-14 20:15:45,645 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1708 transitions. [2022-12-14 20:15:45,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-12-14 20:15:45,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:15:45,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:15:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:15:49,279 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:16:23,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:23,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 850 states and 1733 transitions. [2022-12-14 20:16:23,836 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1733 transitions. [2022-12-14 20:16:23,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-12-14 20:16:23,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:23,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:24,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:16:27,296 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:16:53,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:16:53,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 861 states and 1759 transitions. [2022-12-14 20:16:53,423 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1759 transitions. [2022-12-14 20:16:53,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-12-14 20:16:53,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:16:53,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:16:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:17:05,643 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:17:57,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:17:57,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 884 states and 1803 transitions. [2022-12-14 20:17:57,014 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1803 transitions. [2022-12-14 20:17:57,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-12-14 20:17:57,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:17:57,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:17:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:18:02,024 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:18:14,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:18:14,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 891 states and 1816 transitions. [2022-12-14 20:18:14,206 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1816 transitions. [2022-12-14 20:18:14,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-12-14 20:18:14,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:18:14,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:18:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:18:23,635 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:19:09,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:19:09,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1858 states to 914 states and 1858 transitions. [2022-12-14 20:19:09,906 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1858 transitions. [2022-12-14 20:19:09,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-12-14 20:19:09,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:19:09,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:19:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:19:21,652 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.