./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label22.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_5ddfd682-3c99-4c1a-b227-417256c0171e/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ddfd682-3c99-4c1a-b227-417256c0171e/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_5ddfd682-3c99-4c1a-b227-417256c0171e/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ddfd682-3c99-4c1a-b227-417256c0171e/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label22.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ddfd682-3c99-4c1a-b227-417256c0171e/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_5ddfd682-3c99-4c1a-b227-417256c0171e/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 f365a0f129fa90e96f59a2a67efc46f6bd75f705664f3dab23b0f5e5824e9e07 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:51:23,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:51:23,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:51:23,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:51:23,929 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:51:23,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:51:23,936 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:51:23,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:51:23,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:51:23,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:51:23,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:51:23,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:51:23,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:51:23,967 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:51:23,970 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:51:23,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:51:23,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:51:23,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:51:23,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:51:23,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:51:23,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:51:23,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:51:23,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:51:23,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:51:24,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:51:24,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:51:24,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:51:24,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:51:24,014 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:51:24,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:51:24,016 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:51:24,017 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:51:24,020 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:51:24,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:51:24,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:51:24,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:51:24,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:51:24,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:51:24,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:51:24,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:51:24,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:51:24,029 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ddfd682-3c99-4c1a-b227-417256c0171e/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:51:24,083 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:51:24,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:51:24,084 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:51:24,085 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:51:24,086 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:51:24,086 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:51:24,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:51:24,086 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:51:24,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:51:24,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:51:24,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:51:24,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:51:24,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:51:24,089 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:51:24,089 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:51:24,089 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:51:24,089 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:51:24,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:51:24,090 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:51:24,090 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:51:24,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:51:24,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:24,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:51:24,091 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:51:24,091 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:51:24,092 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:51:24,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:51:24,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:51:24,094 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_5ddfd682-3c99-4c1a-b227-417256c0171e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ddfd682-3c99-4c1a-b227-417256c0171e/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f365a0f129fa90e96f59a2a67efc46f6bd75f705664f3dab23b0f5e5824e9e07 [2022-10-17 16:51:24,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:51:24,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:51:24,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:51:24,430 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:51:24,432 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:51:24,434 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ddfd682-3c99-4c1a-b227-417256c0171e/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/eca-rers2012/Problem03_label22.c [2022-10-17 16:51:24,503 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ddfd682-3c99-4c1a-b227-417256c0171e/bin/ukojak-92XMlrwhuB/data/f2528e7c0/0a19aa552b864042b18c356dc06e4db0/FLAGfc92e70e4 [2022-10-17 16:51:25,222 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:51:25,223 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ddfd682-3c99-4c1a-b227-417256c0171e/sv-benchmarks/c/eca-rers2012/Problem03_label22.c [2022-10-17 16:51:25,245 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ddfd682-3c99-4c1a-b227-417256c0171e/bin/ukojak-92XMlrwhuB/data/f2528e7c0/0a19aa552b864042b18c356dc06e4db0/FLAGfc92e70e4 [2022-10-17 16:51:25,336 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ddfd682-3c99-4c1a-b227-417256c0171e/bin/ukojak-92XMlrwhuB/data/f2528e7c0/0a19aa552b864042b18c356dc06e4db0 [2022-10-17 16:51:25,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:51:25,341 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:51:25,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:25,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:51:25,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:51:25,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:25" (1/1) ... [2022-10-17 16:51:25,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d1bddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:25, skipping insertion in model container [2022-10-17 16:51:25,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:25" (1/1) ... [2022-10-17 16:51:25,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:51:25,465 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:51:26,186 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_5ddfd682-3c99-4c1a-b227-417256c0171e/sv-benchmarks/c/eca-rers2012/Problem03_label22.c[56764,56777] [2022-10-17 16:51:26,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:26,287 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:51:26,506 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_5ddfd682-3c99-4c1a-b227-417256c0171e/sv-benchmarks/c/eca-rers2012/Problem03_label22.c[56764,56777] [2022-10-17 16:51:26,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:26,542 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:51:26,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:26 WrapperNode [2022-10-17 16:51:26,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:26,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:26,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:51:26,546 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:51:26,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:26" (1/1) ... [2022-10-17 16:51:26,597 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:26" (1/1) ... [2022-10-17 16:51:26,754 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2022-10-17 16:51:26,755 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:26,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:51:26,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:51:26,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:51:26,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:26" (1/1) ... [2022-10-17 16:51:26,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:26" (1/1) ... [2022-10-17 16:51:26,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:26" (1/1) ... [2022-10-17 16:51:26,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:26" (1/1) ... [2022-10-17 16:51:26,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:26" (1/1) ... [2022-10-17 16:51:26,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:26" (1/1) ... [2022-10-17 16:51:26,853 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:26" (1/1) ... [2022-10-17 16:51:26,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:26" (1/1) ... [2022-10-17 16:51:26,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:51:26,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:51:26,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:51:26,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:51:26,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:26" (1/1) ... [2022-10-17 16:51:26,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:26,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ddfd682-3c99-4c1a-b227-417256c0171e/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:51:26,932 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ddfd682-3c99-4c1a-b227-417256c0171e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:51:26,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ddfd682-3c99-4c1a-b227-417256c0171e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:51:27,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:51:27,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:51:27,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:51:27,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:51:27,123 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:51:27,125 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:51:29,195 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:51:29,583 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:51:29,583 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:51:29,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:29 BoogieIcfgContainer [2022-10-17 16:51:29,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:51:29,589 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:51:29,590 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:51:29,601 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:51:29,601 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:29" (1/1) ... [2022-10-17 16:51:29,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:51:29,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:29,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 148 states and 288 transitions. [2022-10-17 16:51:29,680 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 288 transitions. [2022-10-17 16:51:29,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-10-17 16:51:29,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:29,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:30,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:30,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:31,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:31,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 289 states and 515 transitions. [2022-10-17 16:51:32,001 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 515 transitions. [2022-10-17 16:51:32,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-10-17 16:51:32,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:32,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:32,432 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:32,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:32,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 292 states and 520 transitions. [2022-10-17 16:51:32,506 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 520 transitions. [2022-10-17 16:51:32,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-10-17 16:51:32,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:32,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:32,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:32,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:32,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 296 states and 527 transitions. [2022-10-17 16:51:32,948 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 527 transitions. [2022-10-17 16:51:32,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-10-17 16:51:32,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:32,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:33,430 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:35,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:35,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 444 states and 720 transitions. [2022-10-17 16:51:35,298 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 720 transitions. [2022-10-17 16:51:35,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-10-17 16:51:35,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:35,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:35,486 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:35,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:35,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 451 states and 732 transitions. [2022-10-17 16:51:35,930 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 732 transitions. [2022-10-17 16:51:35,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-10-17 16:51:35,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:35,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:36,565 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:37,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:37,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 461 states and 761 transitions. [2022-10-17 16:51:37,687 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 761 transitions. [2022-10-17 16:51:37,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-10-17 16:51:37,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:37,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:37,968 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:38,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:38,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 471 states and 778 transitions. [2022-10-17 16:51:38,725 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 778 transitions. [2022-10-17 16:51:38,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-10-17 16:51:38,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:38,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:39,086 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:39,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:39,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 475 states and 788 transitions. [2022-10-17 16:51:39,369 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 788 transitions. [2022-10-17 16:51:39,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-10-17 16:51:39,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:39,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:39,639 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:51:41,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:41,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 617 states and 959 transitions. [2022-10-17 16:51:41,210 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 959 transitions. [2022-10-17 16:51:41,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-10-17 16:51:41,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:41,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:41,477 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:51:42,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:42,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 628 states and 980 transitions. [2022-10-17 16:51:42,508 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 980 transitions. [2022-10-17 16:51:42,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-10-17 16:51:42,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:42,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:42,755 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:51:43,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:43,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 636 states and 994 transitions. [2022-10-17 16:51:43,405 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 994 transitions. [2022-10-17 16:51:43,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-10-17 16:51:43,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:43,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:43,710 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:51:44,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:44,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 643 states and 1007 transitions. [2022-10-17 16:51:44,182 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1007 transitions. [2022-10-17 16:51:44,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-10-17 16:51:44,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:44,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:44,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:44,397 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:51:44,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:44,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 644 states and 1008 transitions. [2022-10-17 16:51:44,450 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 1008 transitions. [2022-10-17 16:51:44,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-10-17 16:51:44,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:44,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:44,819 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:51:45,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:45,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 645 states and 1018 transitions. [2022-10-17 16:51:45,325 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1018 transitions. [2022-10-17 16:51:45,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-10-17 16:51:45,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:45,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:45,665 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:51:45,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:45,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 648 states and 1023 transitions. [2022-10-17 16:51:45,892 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 1023 transitions. [2022-10-17 16:51:45,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-10-17 16:51:45,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:45,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:46,216 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:51:46,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:46,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 649 states and 1027 transitions. [2022-10-17 16:51:46,619 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 1027 transitions. [2022-10-17 16:51:46,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-10-17 16:51:46,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:46,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:46,869 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:51:47,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:47,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 655 states and 1035 transitions. [2022-10-17 16:51:47,026 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 1035 transitions. [2022-10-17 16:51:47,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-10-17 16:51:47,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:47,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:47,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:47,238 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:51:47,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:47,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 663 states and 1045 transitions. [2022-10-17 16:51:47,491 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 1045 transitions. [2022-10-17 16:51:47,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-10-17 16:51:47,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:47,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:47,816 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:51:48,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:48,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 671 states and 1061 transitions. [2022-10-17 16:51:48,576 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 1061 transitions. [2022-10-17 16:51:48,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-10-17 16:51:48,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:48,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:48,843 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:51:49,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:49,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 676 states and 1069 transitions. [2022-10-17 16:51:49,422 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1069 transitions. [2022-10-17 16:51:49,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-10-17 16:51:49,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:49,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:49,697 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:51:50,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:50,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 682 states and 1077 transitions. [2022-10-17 16:51:50,287 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1077 transitions. [2022-10-17 16:51:50,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-10-17 16:51:50,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:50,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:50,526 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:51:50,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:50,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 685 states and 1079 transitions. [2022-10-17 16:51:50,930 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 1079 transitions. [2022-10-17 16:51:50,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-10-17 16:51:50,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:50,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:51,185 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:51:51,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:51,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 687 states and 1080 transitions. [2022-10-17 16:51:51,462 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1080 transitions. [2022-10-17 16:51:51,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-10-17 16:51:51,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:51,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:51,706 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:51:51,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:51,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 689 states and 1081 transitions. [2022-10-17 16:51:51,960 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1081 transitions. [2022-10-17 16:51:51,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-10-17 16:51:51,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:51,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:52,210 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:51:52,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:52,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 691 states and 1082 transitions. [2022-10-17 16:51:52,435 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 1082 transitions. [2022-10-17 16:51:52,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-10-17 16:51:52,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:52,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:52,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:52,600 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:52,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:52,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 696 states and 1088 transitions. [2022-10-17 16:51:52,669 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 1088 transitions. [2022-10-17 16:51:52,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-10-17 16:51:52,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:52,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat