./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext-properties/960521-1_1-2.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_45e3baa7-fb44-426f-89f9-15e0dab81849/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e3baa7-fb44-426f-89f9-15e0dab81849/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_45e3baa7-fb44-426f-89f9-15e0dab81849/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e3baa7-fb44-426f-89f9-15e0dab81849/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/960521-1_1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e3baa7-fb44-426f-89f9-15e0dab81849/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_45e3baa7-fb44-426f-89f9-15e0dab81849/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 2b468f3c6542f32922018ecd35f248815c64c681a62a7333b987abbfb42d9345 --- 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 16:35:59,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:35:59,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:35:59,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:35:59,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:35:59,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:35:59,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:35:59,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:35:59,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:35:59,279 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:35:59,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:35:59,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:35:59,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:35:59,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:35:59,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:35:59,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:35:59,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:35:59,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:35:59,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:35:59,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:35:59,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:35:59,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:35:59,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:35:59,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:35:59,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:35:59,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:35:59,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:35:59,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:35:59,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:35:59,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:35:59,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:35:59,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:35:59,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:35:59,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:35:59,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:35:59,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:35:59,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:35:59,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:35:59,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:35:59,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:35:59,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:35:59,333 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e3baa7-fb44-426f-89f9-15e0dab81849/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:35:59,361 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:35:59,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:35:59,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:35:59,364 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:35:59,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:35:59,365 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:35:59,365 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:35:59,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:35:59,366 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:35:59,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:35:59,366 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:35:59,367 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:35:59,367 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:35:59,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:35:59,368 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:35:59,368 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:35:59,368 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:35:59,368 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:35:59,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:35:59,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:35:59,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:35:59,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:35:59,370 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:35:59,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:35:59,370 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_45e3baa7-fb44-426f-89f9-15e0dab81849/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e3baa7-fb44-426f-89f9-15e0dab81849/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b468f3c6542f32922018ecd35f248815c64c681a62a7333b987abbfb42d9345 [2022-10-17 16:35:59,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:35:59,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:35:59,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:35:59,699 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:35:59,700 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:35:59,702 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e3baa7-fb44-426f-89f9-15e0dab81849/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-ext-properties/960521-1_1-2.i [2022-10-17 16:35:59,768 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e3baa7-fb44-426f-89f9-15e0dab81849/bin/ukojak-92XMlrwhuB/data/82b2e616b/2686941a4bb9463b8da62e35c733f03e/FLAG0eb7b55e2 [2022-10-17 16:36:00,416 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:36:00,421 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e3baa7-fb44-426f-89f9-15e0dab81849/sv-benchmarks/c/list-ext-properties/960521-1_1-2.i [2022-10-17 16:36:00,440 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e3baa7-fb44-426f-89f9-15e0dab81849/bin/ukojak-92XMlrwhuB/data/82b2e616b/2686941a4bb9463b8da62e35c733f03e/FLAG0eb7b55e2 [2022-10-17 16:36:00,786 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e3baa7-fb44-426f-89f9-15e0dab81849/bin/ukojak-92XMlrwhuB/data/82b2e616b/2686941a4bb9463b8da62e35c733f03e [2022-10-17 16:36:00,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:36:00,790 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:36:00,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:36:00,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:36:00,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:36:00,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:36:00" (1/1) ... [2022-10-17 16:36:00,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@586334be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:00, skipping insertion in model container [2022-10-17 16:36:00,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:36:00" (1/1) ... [2022-10-17 16:36:00,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:36:00,845 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:36:01,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:36:01,223 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:36:01,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:36:01,326 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:36:01,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:01 WrapperNode [2022-10-17 16:36:01,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:36:01,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:36:01,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:36:01,329 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:36:01,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:01" (1/1) ... [2022-10-17 16:36:01,364 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:01" (1/1) ... [2022-10-17 16:36:01,399 INFO L138 Inliner]: procedures = 122, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2022-10-17 16:36:01,399 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:36:01,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:36:01,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:36:01,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:36:01,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:01" (1/1) ... [2022-10-17 16:36:01,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:01" (1/1) ... [2022-10-17 16:36:01,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:01" (1/1) ... [2022-10-17 16:36:01,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:01" (1/1) ... [2022-10-17 16:36:01,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:01" (1/1) ... [2022-10-17 16:36:01,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:01" (1/1) ... [2022-10-17 16:36:01,427 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:01" (1/1) ... [2022-10-17 16:36:01,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:01" (1/1) ... [2022-10-17 16:36:01,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:36:01,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:36:01,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:36:01,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:36:01,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:01" (1/1) ... [2022-10-17 16:36:01,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:36:01,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e3baa7-fb44-426f-89f9-15e0dab81849/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:36:01,470 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e3baa7-fb44-426f-89f9-15e0dab81849/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:36:01,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e3baa7-fb44-426f-89f9-15e0dab81849/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:36:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:36:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:36:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:36:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:36:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:36:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:36:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:36:01,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:36:01,661 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:36:01,663 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:36:02,012 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:36:02,066 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:36:02,067 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:36:02,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:02 BoogieIcfgContainer [2022-10-17 16:36:02,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:36:02,071 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:36:02,071 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:36:02,081 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:36:02,082 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:02" (1/1) ... [2022-10-17 16:36:02,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:36:02,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:02,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 50 states and 54 transitions. [2022-10-17 16:36:02,182 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2022-10-17 16:36:02,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:36:02,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:02,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:02,349 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 16:36:02,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:02,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 50 states and 53 transitions. [2022-10-17 16:36:02,389 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions. [2022-10-17 16:36:02,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:36:02,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:02,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:02,560 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 16:36:02,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:02,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 49 states and 52 transitions. [2022-10-17 16:36:02,581 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions. [2022-10-17 16:36:02,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:36:02,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:02,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:02,807 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 16:36:02,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:02,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 53 states and 59 transitions. [2022-10-17 16:36:02,968 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2022-10-17 16:36:02,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:36:02,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:02,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:03,137 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 16:36:03,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:03,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 55 states and 63 transitions. [2022-10-17 16:36:03,322 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2022-10-17 16:36:03,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:36:03,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:03,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:03,521 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 16:36:04,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:04,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 58 states and 68 transitions. [2022-10-17 16:36:04,099 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2022-10-17 16:36:04,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:36:04,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:04,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:04,290 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 16:36:04,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:04,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 53 states and 58 transitions. [2022-10-17 16:36:04,462 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2022-10-17 16:36:04,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:36:04,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:04,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:04,630 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 16:36:05,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:05,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 55 states and 62 transitions. [2022-10-17 16:36:05,130 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2022-10-17 16:36:05,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:36:05,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:05,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:05,392 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 16:36:06,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:06,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 56 states and 65 transitions. [2022-10-17 16:36:06,036 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 65 transitions. [2022-10-17 16:36:06,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:36:06,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:06,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:06,195 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 16:36:07,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:07,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 60 states and 75 transitions. [2022-10-17 16:36:07,147 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2022-10-17 16:36:07,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:36:07,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:07,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:07,463 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 16:36:09,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:09,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 64 states and 84 transitions. [2022-10-17 16:36:09,472 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2022-10-17 16:36:09,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:36:09,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:09,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:09,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:09,535 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 16:36:09,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:09,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 64 states and 83 transitions. [2022-10-17 16:36:09,865 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 83 transitions. [2022-10-17 16:36:09,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:36:09,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:09,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:09,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:36:10,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:10,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2022-10-17 16:36:10,472 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2022-10-17 16:36:10,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:36:10,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:10,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:10,585 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 16:36:11,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:11,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 64 states and 78 transitions. [2022-10-17 16:36:11,325 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 78 transitions. [2022-10-17 16:36:11,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:36:11,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:11,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:11,367 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 16:36:11,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:11,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 63 states and 77 transitions. [2022-10-17 16:36:11,385 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2022-10-17 16:36:11,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:36:11,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:11,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:11,588 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 16:36:12,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:12,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 65 states and 80 transitions. [2022-10-17 16:36:12,167 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 80 transitions. [2022-10-17 16:36:12,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:36:12,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:12,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:12,714 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:14,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:14,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 68 states and 88 transitions. [2022-10-17 16:36:14,985 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2022-10-17 16:36:14,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:36:14,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:14,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:15,084 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 16:36:16,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:16,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 74 states and 97 transitions. [2022-10-17 16:36:16,003 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2022-10-17 16:36:16,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:36:16,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:16,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:16,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:16,027 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 16:36:16,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:16,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 75 states and 97 transitions. [2022-10-17 16:36:16,037 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 97 transitions. [2022-10-17 16:36:16,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:36:16,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:16,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:16,355 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:18,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:18,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 84 states and 110 transitions. [2022-10-17 16:36:18,566 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 110 transitions. [2022-10-17 16:36:18,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:36:18,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:18,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:18,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:18,701 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 16:36:21,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:21,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 92 states and 123 transitions. [2022-10-17 16:36:21,233 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 123 transitions. [2022-10-17 16:36:21,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:36:21,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:21,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:21,274 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 16:36:21,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:21,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 94 states and 124 transitions. [2022-10-17 16:36:21,290 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 124 transitions. [2022-10-17 16:36:21,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:36:21,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:21,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:21,339 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:36:22,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:22,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 95 states and 123 transitions. [2022-10-17 16:36:22,045 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 123 transitions. [2022-10-17 16:36:22,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:36:22,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:22,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:22,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:22,105 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 16:36:23,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:23,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 98 states and 129 transitions. [2022-10-17 16:36:23,279 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 129 transitions. [2022-10-17 16:36:23,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:36:23,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:23,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:23,761 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:36:26,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:26,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 103 states and 142 transitions. [2022-10-17 16:36:26,543 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 142 transitions. [2022-10-17 16:36:26,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:36:26,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:26,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:26,585 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:36:27,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:27,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 104 states and 143 transitions. [2022-10-17 16:36:27,149 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 143 transitions. [2022-10-17 16:36:27,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:36:27,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:27,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:27,187 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 16:36:27,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:27,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 105 states and 143 transitions. [2022-10-17 16:36:27,519 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 143 transitions. [2022-10-17 16:36:27,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:36:27,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:27,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:27,545 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 16:36:28,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:28,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 112 states and 154 transitions. [2022-10-17 16:36:28,926 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 154 transitions. [2022-10-17 16:36:28,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:36:28,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:28,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:28,952 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 16:36:28,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:28,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 115 states and 157 transitions. [2022-10-17 16:36:28,972 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 157 transitions. [2022-10-17 16:36:28,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:36:28,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:28,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:29,773 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:31,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:31,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 117 states and 164 transitions. [2022-10-17 16:36:31,409 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 164 transitions. [2022-10-17 16:36:31,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:36:31,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:31,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:31,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.