./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrncat-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78ae20c-21a1-4c0d-b569-d4d23a9c1a53/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78ae20c-21a1-4c0d-b569-d4d23a9c1a53/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_e78ae20c-21a1-4c0d-b569-d4d23a9c1a53/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78ae20c-21a1-4c0d-b569-d4d23a9c1a53/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrncat-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78ae20c-21a1-4c0d-b569-d4d23a9c1a53/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78ae20c-21a1-4c0d-b569-d4d23a9c1a53/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 34885b99d6eef31987b044fabc3622fa239d5dff7e774ca124915f70431dc2b3 --- 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 16:41:16,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:41:16,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:41:16,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:41:16,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:41:16,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:41:16,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:41:16,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:41:16,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:41:16,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:41:16,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:41:16,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:41:16,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:41:16,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:41:16,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:41:16,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:41:16,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:41:16,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:41:16,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:41:16,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:41:16,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:41:16,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:41:16,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:41:16,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:41:16,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:41:16,127 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:41:16,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:41:16,129 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:41:16,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:41:16,131 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:41:16,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:41:16,137 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:41:16,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:41:16,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:41:16,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:41:16,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:41:16,142 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:41:16,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:41:16,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:41:16,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:41:16,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:41:16,153 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78ae20c-21a1-4c0d-b569-d4d23a9c1a53/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:41:16,209 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:41:16,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:41:16,211 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:41:16,212 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:41:16,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:41:16,212 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:41:16,212 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:41:16,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:41:16,213 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:41:16,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:41:16,214 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:41:16,214 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:41:16,215 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:41:16,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:41:16,215 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:41:16,215 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:41:16,215 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:41:16,216 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:41:16,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:41:16,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:41:16,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:41:16,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:41:16,217 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:41:16,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:41:16,217 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_e78ae20c-21a1-4c0d-b569-d4d23a9c1a53/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78ae20c-21a1-4c0d-b569-d4d23a9c1a53/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34885b99d6eef31987b044fabc3622fa239d5dff7e774ca124915f70431dc2b3 [2022-10-17 16:41:16,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:41:16,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:41:16,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:41:16,493 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:41:16,493 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:41:16,495 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78ae20c-21a1-4c0d-b569-d4d23a9c1a53/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-memsafety/openbsd_cstrncat-alloca-2.i [2022-10-17 16:41:16,587 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78ae20c-21a1-4c0d-b569-d4d23a9c1a53/bin/ukojak-92XMlrwhuB/data/916935cde/2c85829705d74cd0a2d525f0afe733e2/FLAGf8041da2a [2022-10-17 16:41:17,125 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:41:17,126 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78ae20c-21a1-4c0d-b569-d4d23a9c1a53/sv-benchmarks/c/array-memsafety/openbsd_cstrncat-alloca-2.i [2022-10-17 16:41:17,147 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78ae20c-21a1-4c0d-b569-d4d23a9c1a53/bin/ukojak-92XMlrwhuB/data/916935cde/2c85829705d74cd0a2d525f0afe733e2/FLAGf8041da2a [2022-10-17 16:41:17,579 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78ae20c-21a1-4c0d-b569-d4d23a9c1a53/bin/ukojak-92XMlrwhuB/data/916935cde/2c85829705d74cd0a2d525f0afe733e2 [2022-10-17 16:41:17,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:41:17,583 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:41:17,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:17,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:41:17,588 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:41:17,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:17" (1/1) ... [2022-10-17 16:41:17,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@330ada4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:17, skipping insertion in model container [2022-10-17 16:41:17,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:17" (1/1) ... [2022-10-17 16:41:17,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:41:17,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:41:18,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:18,110 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:41:18,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:18,199 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:41:18,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:18 WrapperNode [2022-10-17 16:41:18,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:18,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:18,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:41:18,201 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:41:18,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:18" (1/1) ... [2022-10-17 16:41:18,222 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:18" (1/1) ... [2022-10-17 16:41:18,248 INFO L138 Inliner]: procedures = 117, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2022-10-17 16:41:18,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:18,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:41:18,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:41:18,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:41:18,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:18" (1/1) ... [2022-10-17 16:41:18,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:18" (1/1) ... [2022-10-17 16:41:18,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:18" (1/1) ... [2022-10-17 16:41:18,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:18" (1/1) ... [2022-10-17 16:41:18,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:18" (1/1) ... [2022-10-17 16:41:18,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:18" (1/1) ... [2022-10-17 16:41:18,298 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:18" (1/1) ... [2022-10-17 16:41:18,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:18" (1/1) ... [2022-10-17 16:41:18,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:41:18,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:41:18,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:41:18,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:41:18,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:18" (1/1) ... [2022-10-17 16:41:18,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:41:18,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78ae20c-21a1-4c0d-b569-d4d23a9c1a53/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:41:18,361 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78ae20c-21a1-4c0d-b569-d4d23a9c1a53/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:41:18,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78ae20c-21a1-4c0d-b569-d4d23a9c1a53/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:41:18,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:41:18,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:41:18,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:41:18,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:41:18,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:41:18,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:41:18,565 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:41:18,567 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:41:18,977 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:41:19,058 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:41:19,059 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 16:41:19,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:19 BoogieIcfgContainer [2022-10-17 16:41:19,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:41:19,062 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:41:19,063 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:41:19,082 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:41:19,082 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:19" (1/1) ... [2022-10-17 16:41:19,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:41:19,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:19,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 37 states and 45 transitions. [2022-10-17 16:41:19,191 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2022-10-17 16:41:19,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:41:19,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:19,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:19,358 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 16:41:19,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:19,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 46 transitions. [2022-10-17 16:41:19,397 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2022-10-17 16:41:19,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:41:19,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:19,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:19,688 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 16:41:19,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:19,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 37 states and 45 transitions. [2022-10-17 16:41:19,734 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2022-10-17 16:41:19,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:41:19,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:19,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:19,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:20,079 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 16:41:20,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:20,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2022-10-17 16:41:20,354 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2022-10-17 16:41:20,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:41:20,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:20,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:20,450 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 16:41:20,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:20,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 41 states and 53 transitions. [2022-10-17 16:41:20,625 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 53 transitions. [2022-10-17 16:41:20,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:41:20,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:20,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:20,839 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 16:41:21,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:21,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 43 states and 58 transitions. [2022-10-17 16:41:21,514 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2022-10-17 16:41:21,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:41:21,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:21,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:21,590 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 16:41:21,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:21,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 44 states and 61 transitions. [2022-10-17 16:41:21,787 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2022-10-17 16:41:21,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:41:21,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:21,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:22,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:23,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:23,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 46 states and 66 transitions. [2022-10-17 16:41:23,217 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2022-10-17 16:41:23,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:41:23,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:23,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:23,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:24,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:24,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 49 states and 76 transitions. [2022-10-17 16:41:24,598 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2022-10-17 16:41:24,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:41:24,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:24,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:24,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:41:25,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:25,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 51 states and 81 transitions. [2022-10-17 16:41:25,141 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 81 transitions. [2022-10-17 16:41:25,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:41:25,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:25,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:25,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:27,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:27,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 55 states and 97 transitions. [2022-10-17 16:41:27,770 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 97 transitions. [2022-10-17 16:41:27,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:41:27,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:27,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:27,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:41:29,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:29,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 57 states and 105 transitions. [2022-10-17 16:41:29,309 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 105 transitions. [2022-10-17 16:41:29,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:41:29,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:29,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:29,739 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:31,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:31,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 60 states and 117 transitions. [2022-10-17 16:41:31,105 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 117 transitions. [2022-10-17 16:41:31,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:41:31,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:31,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:31,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:41:31,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:31,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 62 states and 121 transitions. [2022-10-17 16:41:31,481 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 121 transitions. [2022-10-17 16:41:31,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:41:31,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:31,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:31,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:41:34,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:34,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 66 states and 139 transitions. [2022-10-17 16:41:34,101 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 139 transitions. [2022-10-17 16:41:34,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:41:34,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:34,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:34,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:41:35,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:35,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 69 states and 147 transitions. [2022-10-17 16:41:35,522 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 147 transitions. [2022-10-17 16:41:35,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:41:35,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:35,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:35,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:35,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:41:35,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:35,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 70 states and 147 transitions. [2022-10-17 16:41:35,992 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 147 transitions. [2022-10-17 16:41:35,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:41:35,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:35,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:36,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:41:36,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:36,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 71 states and 147 transitions. [2022-10-17 16:41:36,348 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 147 transitions. [2022-10-17 16:41:36,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:41:36,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:36,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:36,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:41:36,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:36,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 72 states and 149 transitions. [2022-10-17 16:41:36,809 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 149 transitions. [2022-10-17 16:41:36,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:41:36,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:36,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:36,899 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:41:37,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:37,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 73 states and 155 transitions. [2022-10-17 16:41:37,376 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 155 transitions. [2022-10-17 16:41:37,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:41:37,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:37,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:37,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:41:39,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:39,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 77 states and 174 transitions. [2022-10-17 16:41:39,892 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 174 transitions. [2022-10-17 16:41:39,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:41:39,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:39,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:40,211 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:41:42,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:42,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 81 states and 191 transitions. [2022-10-17 16:41:42,097 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 191 transitions. [2022-10-17 16:41:42,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:41:42,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:42,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:42,679 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:44,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:44,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 83 states and 196 transitions. [2022-10-17 16:41:44,194 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 196 transitions. [2022-10-17 16:41:44,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:41:44,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:44,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:44,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:44,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:41:45,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:45,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 86 states and 203 transitions. [2022-10-17 16:41:45,872 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 203 transitions. [2022-10-17 16:41:45,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:41:45,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:45,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:46,295 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:47,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:47,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 87 states and 210 transitions. [2022-10-17 16:41:47,277 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 210 transitions. [2022-10-17 16:41:47,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:41:47,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:47,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:47,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:48,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:48,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 89 states and 215 transitions. [2022-10-17 16:41:48,357 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 215 transitions. [2022-10-17 16:41:48,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:41:48,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:48,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:49,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.