./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext/skiplist_3lvl.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_91bf72d7-8fec-4ec7-8370-98064f3a9ddd/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bf72d7-8fec-4ec7-8370-98064f3a9ddd/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_91bf72d7-8fec-4ec7-8370-98064f3a9ddd/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bf72d7-8fec-4ec7-8370-98064f3a9ddd/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext/skiplist_3lvl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bf72d7-8fec-4ec7-8370-98064f3a9ddd/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_91bf72d7-8fec-4ec7-8370-98064f3a9ddd/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 a92c386f0a3e93e7f4997075243ca49a5a9660dc1b84c645c53a036868e1508d --- 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 17:01:41,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:01:41,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:01:41,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:01:41,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:01:41,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:01:41,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:01:41,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:01:41,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:01:41,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:01:41,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:01:41,314 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:01:41,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:01:41,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:01:41,317 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:01:41,319 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:01:41,320 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:01:41,321 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:01:41,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:01:41,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:01:41,333 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:01:41,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:01:41,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:01:41,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:01:41,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:01:41,355 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:01:41,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:01:41,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:01:41,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:01:41,361 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:01:41,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:01:41,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:01:41,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:01:41,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:01:41,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:01:41,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:01:41,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:01:41,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:01:41,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:01:41,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:01:41,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:01:41,374 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bf72d7-8fec-4ec7-8370-98064f3a9ddd/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 17:01:41,423 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:01:41,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:01:41,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:01:41,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:01:41,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:01:41,426 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:01:41,426 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 17:01:41,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:01:41,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:01:41,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:01:41,428 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 17:01:41,428 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 17:01:41,428 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 17:01:41,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:01:41,429 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:01:41,429 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:01:41,429 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:01:41,429 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:01:41,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:01:41,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:41,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:01:41,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:01:41,431 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:01:41,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:01:41,431 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_91bf72d7-8fec-4ec7-8370-98064f3a9ddd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bf72d7-8fec-4ec7-8370-98064f3a9ddd/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a92c386f0a3e93e7f4997075243ca49a5a9660dc1b84c645c53a036868e1508d [2022-10-17 17:01:41,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:01:41,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:01:41,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:01:41,815 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:01:41,816 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:01:41,817 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bf72d7-8fec-4ec7-8370-98064f3a9ddd/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/memsafety-ext/skiplist_3lvl.i [2022-10-17 17:01:41,897 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bf72d7-8fec-4ec7-8370-98064f3a9ddd/bin/ukojak-92XMlrwhuB/data/0c4553070/1ecb5ed819eb492ca050c16c29b3774d/FLAG6633be08a [2022-10-17 17:01:42,443 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:01:42,444 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bf72d7-8fec-4ec7-8370-98064f3a9ddd/sv-benchmarks/c/memsafety-ext/skiplist_3lvl.i [2022-10-17 17:01:42,460 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bf72d7-8fec-4ec7-8370-98064f3a9ddd/bin/ukojak-92XMlrwhuB/data/0c4553070/1ecb5ed819eb492ca050c16c29b3774d/FLAG6633be08a [2022-10-17 17:01:42,722 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bf72d7-8fec-4ec7-8370-98064f3a9ddd/bin/ukojak-92XMlrwhuB/data/0c4553070/1ecb5ed819eb492ca050c16c29b3774d [2022-10-17 17:01:42,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:01:42,728 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:01:42,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:42,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:01:42,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:01:42,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:42" (1/1) ... [2022-10-17 17:01:42,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f668a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:42, skipping insertion in model container [2022-10-17 17:01:42,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:42" (1/1) ... [2022-10-17 17:01:42,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:01:42,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:01:43,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:43,239 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:01:43,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:43,314 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:01:43,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:43 WrapperNode [2022-10-17 17:01:43,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:43,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:43,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:01:43,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:01:43,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:43" (1/1) ... [2022-10-17 17:01:43,341 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:43" (1/1) ... [2022-10-17 17:01:43,376 INFO L138 Inliner]: procedures = 127, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 175 [2022-10-17 17:01:43,376 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:43,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:01:43,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:01:43,377 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:01:43,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:43" (1/1) ... [2022-10-17 17:01:43,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:43" (1/1) ... [2022-10-17 17:01:43,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:43" (1/1) ... [2022-10-17 17:01:43,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:43" (1/1) ... [2022-10-17 17:01:43,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:43" (1/1) ... [2022-10-17 17:01:43,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:43" (1/1) ... [2022-10-17 17:01:43,431 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:43" (1/1) ... [2022-10-17 17:01:43,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:43" (1/1) ... [2022-10-17 17:01:43,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:01:43,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:01:43,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:01:43,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:01:43,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:43" (1/1) ... [2022-10-17 17:01:43,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:43,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bf72d7-8fec-4ec7-8370-98064f3a9ddd/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:01:43,489 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bf72d7-8fec-4ec7-8370-98064f3a9ddd/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:01:43,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bf72d7-8fec-4ec7-8370-98064f3a9ddd/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:01:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:01:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:01:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:01:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:01:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:01:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:01:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:01:43,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:01:43,687 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:01:43,689 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:01:44,386 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:01:44,476 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:01:44,476 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-17 17:01:44,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:44 BoogieIcfgContainer [2022-10-17 17:01:44,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:01:44,481 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:01:44,481 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:01:44,494 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:01:44,494 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:44" (1/1) ... [2022-10-17 17:01:44,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:01:44,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:44,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 146 states and 157 transitions. [2022-10-17 17:01:44,566 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 157 transitions. [2022-10-17 17:01:44,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 17:01:44,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:44,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:44,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:44,843 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 17:01:44,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:44,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 145 states and 156 transitions. [2022-10-17 17:01:44,888 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 156 transitions. [2022-10-17 17:01:44,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 17:01:44,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:44,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:44,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:45,078 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 17:01:45,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:45,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 144 states and 155 transitions. [2022-10-17 17:01:45,221 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 155 transitions. [2022-10-17 17:01:45,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 17:01:45,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:45,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:45,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:45,355 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 17:01:45,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:45,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 143 states and 154 transitions. [2022-10-17 17:01:45,381 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 154 transitions. [2022-10-17 17:01:45,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 17:01:45,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:45,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:45,575 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 17:01:45,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:45,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 142 states and 153 transitions. [2022-10-17 17:01:45,601 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 153 transitions. [2022-10-17 17:01:45,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 17:01:45,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:45,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:45,656 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 17:01:45,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:45,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 141 states and 152 transitions. [2022-10-17 17:01:45,672 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 152 transitions. [2022-10-17 17:01:45,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 17:01:45,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:45,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:45,752 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 17:01:45,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:45,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 140 states and 151 transitions. [2022-10-17 17:01:45,860 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 151 transitions. [2022-10-17 17:01:45,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:01:45,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:45,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:45,915 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 17:01:45,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:45,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 139 states and 150 transitions. [2022-10-17 17:01:45,938 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 150 transitions. [2022-10-17 17:01:45,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:01:45,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:45,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:45,965 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 17:01:46,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:46,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 138 states and 149 transitions. [2022-10-17 17:01:46,009 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 149 transitions. [2022-10-17 17:01:46,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:01:46,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:46,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:46,053 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 17:01:46,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:46,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 137 states and 148 transitions. [2022-10-17 17:01:46,070 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 148 transitions. [2022-10-17 17:01:46,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:01:46,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:46,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:46,123 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 17:01:46,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:46,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 136 states and 147 transitions. [2022-10-17 17:01:46,146 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 147 transitions. [2022-10-17 17:01:46,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:01:46,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:46,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:46,194 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 17:01:46,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:46,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 135 states and 146 transitions. [2022-10-17 17:01:46,215 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 146 transitions. [2022-10-17 17:01:46,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:01:46,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:46,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:46,271 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 17:01:46,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:46,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 134 states and 145 transitions. [2022-10-17 17:01:46,294 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 145 transitions. [2022-10-17 17:01:46,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:01:46,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:46,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:46,570 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 17:01:47,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:47,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 133 states and 144 transitions. [2022-10-17 17:01:47,142 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 144 transitions. [2022-10-17 17:01:47,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:01:47,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:47,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:47,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:47,440 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 17:01:48,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:48,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 132 states and 143 transitions. [2022-10-17 17:01:48,629 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 143 transitions. [2022-10-17 17:01:48,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:01:48,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:48,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:48,816 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 17:01:49,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:49,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 131 states and 142 transitions. [2022-10-17 17:01:49,711 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 142 transitions. [2022-10-17 17:01:49,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:01:49,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:49,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:49,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:50,436 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 17:01:52,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:52,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 130 states and 141 transitions. [2022-10-17 17:01:52,014 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 141 transitions. [2022-10-17 17:01:52,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:01:52,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:52,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:52,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:52,310 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 17:01:54,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:54,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 129 states and 140 transitions. [2022-10-17 17:01:54,134 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 140 transitions. [2022-10-17 17:01:54,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:01:54,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:54,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:54,978 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 17:01:57,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:57,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 128 states and 139 transitions. [2022-10-17 17:01:57,949 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 139 transitions. [2022-10-17 17:01:57,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:01:57,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:57,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:57,983 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 17:01:59,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:59,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 127 states and 138 transitions. [2022-10-17 17:01:59,017 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 138 transitions. [2022-10-17 17:01:59,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:01:59,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:59,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:59,069 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 17:01:59,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:59,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 126 states and 137 transitions. [2022-10-17 17:01:59,973 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 137 transitions. [2022-10-17 17:01:59,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:01:59,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:59,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:00,005 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 17:02:00,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:00,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 125 states and 136 transitions. [2022-10-17 17:02:00,020 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 136 transitions. [2022-10-17 17:02:00,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:02:00,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:00,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:00,064 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 17:02:00,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:00,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 124 states and 135 transitions. [2022-10-17 17:02:00,087 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 135 transitions. [2022-10-17 17:02:00,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:02:00,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:00,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:00,139 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 17:02:00,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:00,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 123 states and 134 transitions. [2022-10-17 17:02:00,160 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 134 transitions. [2022-10-17 17:02:00,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:02:00,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:00,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:00,214 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 17:02:00,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:00,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 122 states and 133 transitions. [2022-10-17 17:02:00,238 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 133 transitions. [2022-10-17 17:02:00,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:02:00,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:00,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:01,599 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 17:02:06,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:06,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 121 states and 132 transitions. [2022-10-17 17:02:06,658 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 132 transitions. [2022-10-17 17:02:06,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:02:06,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:06,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:06,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:08,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.