./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-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_57eca14e-dc4c-4770-ace8-8cfd45cd480a/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57eca14e-dc4c-4770-ace8-8cfd45cd480a/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_57eca14e-dc4c-4770-ace8-8cfd45cd480a/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57eca14e-dc4c-4770-ace8-8cfd45cd480a/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57eca14e-dc4c-4770-ace8-8cfd45cd480a/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_57eca14e-dc4c-4770-ace8-8cfd45cd480a/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 2f737570030041640fd86c7d2770b30b4e6ee4ac0d1c521887700aab87fb1426 --- 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 16:48:35,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:48:35,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:48:35,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:48:35,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:48:35,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:48:35,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:48:35,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:48:35,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:48:35,157 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:48:35,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:48:35,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:48:35,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:48:35,163 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:48:35,165 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:48:35,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:48:35,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:48:35,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:48:35,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:48:35,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:48:35,177 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:48:35,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:48:35,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:48:35,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:48:35,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:48:35,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:48:35,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:48:35,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:48:35,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:48:35,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:48:35,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:48:35,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:48:35,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:48:35,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:48:35,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:48:35,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:48:35,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:48:35,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:48:35,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:48:35,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:48:35,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:48:35,206 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57eca14e-dc4c-4770-ace8-8cfd45cd480a/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:48:35,236 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:48:35,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:48:35,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:48:35,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:48:35,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:48:35,239 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:48:35,239 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:48:35,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:48:35,240 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:48:35,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:48:35,240 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:48:35,241 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:48:35,241 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:48:35,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:48:35,241 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:48:35,242 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:48:35,242 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:48:35,243 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:48:35,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:48:35,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:35,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:48:35,244 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:48:35,244 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:48:35,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:48:35,245 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_57eca14e-dc4c-4770-ace8-8cfd45cd480a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57eca14e-dc4c-4770-ace8-8cfd45cd480a/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f737570030041640fd86c7d2770b30b4e6ee4ac0d1c521887700aab87fb1426 [2022-10-17 16:48:35,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:48:35,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:48:35,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:48:35,570 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:48:35,571 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:48:35,572 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57eca14e-dc4c-4770-ace8-8cfd45cd480a/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i [2022-10-17 16:48:35,663 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57eca14e-dc4c-4770-ace8-8cfd45cd480a/bin/ukojak-92XMlrwhuB/data/9887c62f7/931d5b2288aa452a81850803dd708a1e/FLAG4affe4b00 [2022-10-17 16:48:36,282 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:48:36,282 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57eca14e-dc4c-4770-ace8-8cfd45cd480a/sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-2.i [2022-10-17 16:48:36,305 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57eca14e-dc4c-4770-ace8-8cfd45cd480a/bin/ukojak-92XMlrwhuB/data/9887c62f7/931d5b2288aa452a81850803dd708a1e/FLAG4affe4b00 [2022-10-17 16:48:36,521 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57eca14e-dc4c-4770-ace8-8cfd45cd480a/bin/ukojak-92XMlrwhuB/data/9887c62f7/931d5b2288aa452a81850803dd708a1e [2022-10-17 16:48:36,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:48:36,526 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:48:36,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:36,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:48:36,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:48:36,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:36" (1/1) ... [2022-10-17 16:48:36,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a708176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:36, skipping insertion in model container [2022-10-17 16:48:36,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:36" (1/1) ... [2022-10-17 16:48:36,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:48:36,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:48:37,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:37,106 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:48:37,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:37,221 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:48:37,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:37 WrapperNode [2022-10-17 16:48:37,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:37,226 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:37,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:48:37,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:48:37,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:37" (1/1) ... [2022-10-17 16:48:37,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:37" (1/1) ... [2022-10-17 16:48:37,288 INFO L138 Inliner]: procedures = 116, calls = 30, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 130 [2022-10-17 16:48:37,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:37,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:48:37,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:48:37,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:48:37,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:37" (1/1) ... [2022-10-17 16:48:37,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:37" (1/1) ... [2022-10-17 16:48:37,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:37" (1/1) ... [2022-10-17 16:48:37,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:37" (1/1) ... [2022-10-17 16:48:37,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:37" (1/1) ... [2022-10-17 16:48:37,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:37" (1/1) ... [2022-10-17 16:48:37,339 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:37" (1/1) ... [2022-10-17 16:48:37,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:37" (1/1) ... [2022-10-17 16:48:37,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:48:37,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:48:37,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:48:37,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:48:37,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:37" (1/1) ... [2022-10-17 16:48:37,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:37,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57eca14e-dc4c-4770-ace8-8cfd45cd480a/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:48:37,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57eca14e-dc4c-4770-ace8-8cfd45cd480a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:48:37,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57eca14e-dc4c-4770-ace8-8cfd45cd480a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:48:37,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:48:37,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:48:37,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:48:37,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:48:37,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:48:37,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:48:37,564 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:48:37,566 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:48:38,095 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:48:38,152 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:48:38,152 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:48:38,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:38 BoogieIcfgContainer [2022-10-17 16:48:38,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:48:38,157 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:48:38,157 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:48:38,169 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:48:38,169 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:38" (1/1) ... [2022-10-17 16:48:38,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:48:38,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:38,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 123 states and 130 transitions. [2022-10-17 16:48:38,292 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 130 transitions. [2022-10-17 16:48:38,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:48:38,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:38,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:38,582 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 16:48:38,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:38,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 122 states and 129 transitions. [2022-10-17 16:48:38,626 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 129 transitions. [2022-10-17 16:48:38,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:48:38,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:38,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:38,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:38,770 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 16:48:38,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:38,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 121 states and 128 transitions. [2022-10-17 16:48:38,886 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 128 transitions. [2022-10-17 16:48:38,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:48:38,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:38,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:38,924 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 16:48:38,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:38,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 120 states and 127 transitions. [2022-10-17 16:48:38,943 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 127 transitions. [2022-10-17 16:48:38,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:48:38,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:38,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:39,099 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 16:48:39,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:39,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 119 states and 126 transitions. [2022-10-17 16:48:39,244 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 126 transitions. [2022-10-17 16:48:39,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:48:39,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:39,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:39,326 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 16:48:39,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:39,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 121 states and 130 transitions. [2022-10-17 16:48:39,373 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 130 transitions. [2022-10-17 16:48:39,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:48:39,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:39,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:39,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:39,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:39,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 123 states and 133 transitions. [2022-10-17 16:48:39,706 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 133 transitions. [2022-10-17 16:48:39,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:48:39,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:39,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:39,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:39,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:39,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 122 states and 132 transitions. [2022-10-17 16:48:39,817 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 132 transitions. [2022-10-17 16:48:39,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:48:39,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:39,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:39,906 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 16:48:40,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:40,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 121 states and 131 transitions. [2022-10-17 16:48:40,063 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 131 transitions. [2022-10-17 16:48:40,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:48:40,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:40,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:40,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:40,152 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 16:48:40,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:40,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 122 states and 133 transitions. [2022-10-17 16:48:40,628 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 133 transitions. [2022-10-17 16:48:40,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:48:40,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:40,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:40,821 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 16:48:41,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:41,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 126 states and 143 transitions. [2022-10-17 16:48:41,278 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 143 transitions. [2022-10-17 16:48:41,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:48:41,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:41,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:41,497 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 16:48:42,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:42,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 130 states and 158 transitions. [2022-10-17 16:48:42,280 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 158 transitions. [2022-10-17 16:48:42,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:48:42,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:42,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:42,410 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 16:48:43,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:43,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 134 states and 165 transitions. [2022-10-17 16:48:43,228 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 165 transitions. [2022-10-17 16:48:43,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:48:43,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:43,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:43,325 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 16:48:44,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:44,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 138 states and 173 transitions. [2022-10-17 16:48:44,205 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 173 transitions. [2022-10-17 16:48:44,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:48:44,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:44,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:44,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:44,263 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 16:48:44,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:44,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 139 states and 174 transitions. [2022-10-17 16:48:44,535 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 174 transitions. [2022-10-17 16:48:44,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:48:44,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:44,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:44,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:44,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:44,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 139 states and 173 transitions. [2022-10-17 16:48:44,906 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 173 transitions. [2022-10-17 16:48:44,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:48:44,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:44,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:45,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:45,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:45,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 139 states and 172 transitions. [2022-10-17 16:48:45,864 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 172 transitions. [2022-10-17 16:48:45,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:48:45,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:45,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:45,942 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:46,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:46,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 140 states and 175 transitions. [2022-10-17 16:48:46,234 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 175 transitions. [2022-10-17 16:48:46,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:48:46,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:46,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:46,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:46,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:46,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 141 states and 176 transitions. [2022-10-17 16:48:46,965 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 176 transitions. [2022-10-17 16:48:46,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:48:46,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:46,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:47,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:47,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:47,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 142 states and 180 transitions. [2022-10-17 16:48:47,294 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 180 transitions. [2022-10-17 16:48:47,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:48:47,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:47,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:47,477 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:47,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:47,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 123 states and 134 transitions. [2022-10-17 16:48:47,872 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 134 transitions. [2022-10-17 16:48:47,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:48:47,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:47,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:48,224 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 16:48:49,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:49,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 130 states and 147 transitions. [2022-10-17 16:48:49,868 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 147 transitions. [2022-10-17 16:48:49,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:48:49,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:49,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:50,064 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 16:48:50,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:50,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 131 states and 148 transitions. [2022-10-17 16:48:50,439 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 148 transitions. [2022-10-17 16:48:50,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:48:50,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:50,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:50,586 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:48:51,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:51,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 134 states and 153 transitions. [2022-10-17 16:48:51,852 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 153 transitions. [2022-10-17 16:48:51,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:48:51,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:51,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:51,905 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:48:52,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:52,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 137 states and 156 transitions. [2022-10-17 16:48:52,650 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 156 transitions. [2022-10-17 16:48:52,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:48:52,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:52,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:52,798 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:48:52,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:52,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 136 states and 155 transitions. [2022-10-17 16:48:52,908 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 155 transitions. [2022-10-17 16:48:52,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:48:52,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:52,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:53,215 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:48:53,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:53,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 137 states and 156 transitions. [2022-10-17 16:48:53,684 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 156 transitions. [2022-10-17 16:48:53,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:48:53,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:53,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:53,716 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:48:53,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:53,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 136 states and 155 transitions. [2022-10-17 16:48:53,733 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 155 transitions. [2022-10-17 16:48:53,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:48:53,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:53,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:53,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:54,155 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:48:54,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:54,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 137 states and 157 transitions. [2022-10-17 16:48:54,793 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 157 transitions. [2022-10-17 16:48:54,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:48:54,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:54,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:55,035 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:56,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:56,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 112 states and 119 transitions. [2022-10-17 16:48:56,006 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 119 transitions. [2022-10-17 16:48:56,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:48:56,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:56,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:56,099 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:48:56,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:56,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 111 states and 118 transitions. [2022-10-17 16:48:56,117 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 118 transitions. [2022-10-17 16:48:56,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:48:56,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:56,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:57,568 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 16:49:01,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:01,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 110 states and 117 transitions. [2022-10-17 16:49:01,730 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 117 transitions. [2022-10-17 16:49:01,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:49:01,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:01,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:01,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:02,690 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:49:06,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:06,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 109 states and 116 transitions. [2022-10-17 16:49:06,330 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 116 transitions. [2022-10-17 16:49:06,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:49:06,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:06,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:06,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:06,843 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.