./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/heap-manipulation/merge_sort-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfd4b4f-1450-42e3-bf00-952e32becd65/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfd4b4f-1450-42e3-bf00-952e32becd65/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_cdfd4b4f-1450-42e3-bf00-952e32becd65/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfd4b4f-1450-42e3-bf00-952e32becd65/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/merge_sort-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfd4b4f-1450-42e3-bf00-952e32becd65/bin/ukojak-92XMlrwhuB/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfd4b4f-1450-42e3-bf00-952e32becd65/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-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 15d1d7d49ed223522c6431664b8ff836ebc81296f5e11773e2197361bd8b13cf --- 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 16:30:18,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:30:18,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:30:19,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:30:19,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:30:19,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:30:19,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:30:19,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:30:19,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:30:19,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:30:19,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:30:19,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:30:19,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:30:19,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:30:19,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:30:19,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:30:19,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:30:19,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:30:19,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:30:19,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:30:19,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:30:19,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:30:19,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:30:19,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:30:19,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:30:19,073 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:30:19,074 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:30:19,076 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:30:19,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:30:19,078 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:30:19,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:30:19,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:30:19,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:30:19,085 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:30:19,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:30:19,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:30:19,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:30:19,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:30:19,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:30:19,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:30:19,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:30:19,091 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfd4b4f-1450-42e3-bf00-952e32becd65/bin/ukojak-92XMlrwhuB/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2022-10-17 16:30:19,133 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:30:19,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:30:19,135 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:30:19,135 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:30:19,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:30:19,136 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:30:19,136 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:30:19,136 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:30:19,137 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:30:19,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:30:19,138 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:30:19,138 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:30:19,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:30:19,139 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:30:19,139 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:30:19,140 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:30:19,140 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:30:19,140 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:30:19,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:19,141 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:30:19,141 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:30:19,141 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:30:19,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:30:19,142 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_cdfd4b4f-1450-42e3-bf00-952e32becd65/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfd4b4f-1450-42e3-bf00-952e32becd65/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15d1d7d49ed223522c6431664b8ff836ebc81296f5e11773e2197361bd8b13cf [2022-10-17 16:30:19,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:30:19,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:30:19,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:30:19,503 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:30:19,504 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:30:19,505 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfd4b4f-1450-42e3-bf00-952e32becd65/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/heap-manipulation/merge_sort-1.i [2022-10-17 16:30:19,575 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfd4b4f-1450-42e3-bf00-952e32becd65/bin/ukojak-92XMlrwhuB/data/239c2655b/3f374f24699245c0a6ccdc055b1c7b74/FLAG69c213270 [2022-10-17 16:30:20,112 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:30:20,113 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfd4b4f-1450-42e3-bf00-952e32becd65/sv-benchmarks/c/heap-manipulation/merge_sort-1.i [2022-10-17 16:30:20,141 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfd4b4f-1450-42e3-bf00-952e32becd65/bin/ukojak-92XMlrwhuB/data/239c2655b/3f374f24699245c0a6ccdc055b1c7b74/FLAG69c213270 [2022-10-17 16:30:20,391 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfd4b4f-1450-42e3-bf00-952e32becd65/bin/ukojak-92XMlrwhuB/data/239c2655b/3f374f24699245c0a6ccdc055b1c7b74 [2022-10-17 16:30:20,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:30:20,395 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:30:20,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:20,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:30:20,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:30:20,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:20" (1/1) ... [2022-10-17 16:30:20,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72534171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:20, skipping insertion in model container [2022-10-17 16:30:20,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:20" (1/1) ... [2022-10-17 16:30:20,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:30:20,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:30:20,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfd4b4f-1450-42e3-bf00-952e32becd65/sv-benchmarks/c/heap-manipulation/merge_sort-1.i[22632,22645] [2022-10-17 16:30:20,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:20,924 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:30:20,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfd4b4f-1450-42e3-bf00-952e32becd65/sv-benchmarks/c/heap-manipulation/merge_sort-1.i[22632,22645] [2022-10-17 16:30:21,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:21,058 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:30:21,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:21 WrapperNode [2022-10-17 16:30:21,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:21,060 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:21,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:30:21,061 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:30:21,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:21" (1/1) ... [2022-10-17 16:30:21,110 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:21" (1/1) ... [2022-10-17 16:30:21,167 INFO L138 Inliner]: procedures = 125, calls = 83, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 359 [2022-10-17 16:30:21,170 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:21,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:30:21,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:30:21,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:30:21,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:21" (1/1) ... [2022-10-17 16:30:21,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:21" (1/1) ... [2022-10-17 16:30:21,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:21" (1/1) ... [2022-10-17 16:30:21,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:21" (1/1) ... [2022-10-17 16:30:21,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:21" (1/1) ... [2022-10-17 16:30:21,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:21" (1/1) ... [2022-10-17 16:30:21,249 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:21" (1/1) ... [2022-10-17 16:30:21,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:21" (1/1) ... [2022-10-17 16:30:21,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:30:21,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:30:21,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:30:21,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:30:21,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:21" (1/1) ... [2022-10-17 16:30:21,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:21,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfd4b4f-1450-42e3-bf00-952e32becd65/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:30:21,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfd4b4f-1450-42e3-bf00-952e32becd65/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:30:21,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfd4b4f-1450-42e3-bf00-952e32becd65/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:30:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:30:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:30:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:30:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:30:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:30:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:30:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:30:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:30:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:30:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:30:21,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:30:21,584 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:30:21,586 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:30:22,417 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:30:22,490 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:30:22,490 INFO L300 CfgBuilder]: Removed 33 assume(true) statements. [2022-10-17 16:30:22,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:30:22 BoogieIcfgContainer [2022-10-17 16:30:22,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:30:22,495 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:30:22,495 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:30:22,506 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:30:22,506 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:30:22" (1/1) ... [2022-10-17 16:30:22,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:30:22,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:22,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 257 states and 313 transitions. [2022-10-17 16:30:22,578 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 313 transitions. [2022-10-17 16:30:22,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:30:22,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:22,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:22,852 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 16:30:22,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:22,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 256 states and 311 transitions. [2022-10-17 16:30:22,931 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 311 transitions. [2022-10-17 16:30:22,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:30:22,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:22,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:23,050 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 16:30:23,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:23,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 255 states and 310 transitions. [2022-10-17 16:30:23,132 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 310 transitions. [2022-10-17 16:30:23,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:30:23,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:23,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:23,194 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 16:30:23,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:23,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 259 states and 317 transitions. [2022-10-17 16:30:23,243 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 317 transitions. [2022-10-17 16:30:23,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:30:23,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:23,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:23,324 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 16:30:23,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:23,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 258 states and 316 transitions. [2022-10-17 16:30:23,347 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 316 transitions. [2022-10-17 16:30:23,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:30:23,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:23,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:23,433 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 16:30:23,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:23,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 257 states and 315 transitions. [2022-10-17 16:30:23,449 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 315 transitions. [2022-10-17 16:30:23,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:30:23,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:23,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:23,460 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 16:30:23,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:23,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 257 states and 312 transitions. [2022-10-17 16:30:23,477 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 312 transitions. [2022-10-17 16:30:23,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:30:23,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:23,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:23,520 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 16:30:23,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:23,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 260 states and 315 transitions. [2022-10-17 16:30:23,633 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 315 transitions. [2022-10-17 16:30:23,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:30:23,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:23,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:23,733 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 16:30:23,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:23,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 259 states and 314 transitions. [2022-10-17 16:30:23,774 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 314 transitions. [2022-10-17 16:30:23,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:30:23,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:23,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:23,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:23,850 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 16:30:23,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:23,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 258 states and 313 transitions. [2022-10-17 16:30:23,972 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 313 transitions. [2022-10-17 16:30:23,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:30:23,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:23,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:23,998 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 16:30:24,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:24,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 257 states and 312 transitions. [2022-10-17 16:30:24,020 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 312 transitions. [2022-10-17 16:30:24,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:30:24,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:24,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:24,086 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 16:30:24,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:24,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 256 states and 311 transitions. [2022-10-17 16:30:24,108 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 311 transitions. [2022-10-17 16:30:24,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:30:24,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:24,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:24,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:24,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:24,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 256 states and 309 transitions. [2022-10-17 16:30:24,503 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 309 transitions. [2022-10-17 16:30:24,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:30:24,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:24,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:24,659 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:24,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:24,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 254 states and 307 transitions. [2022-10-17 16:30:24,911 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 307 transitions. [2022-10-17 16:30:24,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:30:24,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:24,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:24,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:25,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:25,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:25,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 257 states and 312 transitions. [2022-10-17 16:30:25,469 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 312 transitions. [2022-10-17 16:30:25,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:30:25,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:25,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:25,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:26,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:26,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 260 states and 317 transitions. [2022-10-17 16:30:26,517 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 317 transitions. [2022-10-17 16:30:26,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:30:26,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:26,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:26,792 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:27,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:27,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 258 states and 314 transitions. [2022-10-17 16:30:27,151 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 314 transitions. [2022-10-17 16:30:27,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:30:27,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:27,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:27,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:27,231 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:27,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:27,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 256 states and 311 transitions. [2022-10-17 16:30:27,461 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 311 transitions. [2022-10-17 16:30:27,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:30:27,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:27,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:27,488 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 16:30:27,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:27,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 256 states and 307 transitions. [2022-10-17 16:30:27,499 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 307 transitions. [2022-10-17 16:30:27,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:30:27,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:27,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:27,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:27,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:27,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 259 states and 312 transitions. [2022-10-17 16:30:27,692 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 312 transitions. [2022-10-17 16:30:27,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:30:27,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:27,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:27,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:27,717 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 16:30:27,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:27,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 259 states and 308 transitions. [2022-10-17 16:30:27,727 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 308 transitions. [2022-10-17 16:30:27,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:30:27,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:27,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:27,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:27,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:27,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 260 states and 308 transitions. [2022-10-17 16:30:27,819 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 308 transitions. [2022-10-17 16:30:27,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:30:27,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:27,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:27,849 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 16:30:27,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:27,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 262 states and 311 transitions. [2022-10-17 16:30:27,871 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 311 transitions. [2022-10-17 16:30:27,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:30:27,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:27,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:28,035 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:28,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:28,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 266 states and 316 transitions. [2022-10-17 16:30:28,118 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 316 transitions. [2022-10-17 16:30:28,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:30:28,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:28,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:28,149 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 16:30:28,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:28,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 268 states and 319 transitions. [2022-10-17 16:30:28,170 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 319 transitions. [2022-10-17 16:30:28,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:30:28,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:28,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:28,287 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:28,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:28,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 271 states and 322 transitions. [2022-10-17 16:30:28,314 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 322 transitions. [2022-10-17 16:30:28,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:30:28,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:28,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:28,617 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 16:30:29,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:29,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 272 states and 322 transitions. [2022-10-17 16:30:29,867 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 322 transitions. [2022-10-17 16:30:29,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:30:29,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:29,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:30,101 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 16:30:30,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:30,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 273 states and 322 transitions. [2022-10-17 16:30:30,251 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 322 transitions. [2022-10-17 16:30:30,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:30:30,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:30,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:30,291 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 16:30:30,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:30,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 272 states and 319 transitions. [2022-10-17 16:30:30,550 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 319 transitions. [2022-10-17 16:30:30,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:30:30,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:30,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:30,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:30,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:30,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 275 states and 322 transitions. [2022-10-17 16:30:30,970 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 322 transitions. [2022-10-17 16:30:30,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:30:30,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:30,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:30,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:31,008 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 16:30:31,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:31,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 274 states and 319 transitions. [2022-10-17 16:30:31,296 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 319 transitions. [2022-10-17 16:30:31,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:30:31,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:31,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:31,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:31,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:31,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 277 states and 322 transitions. [2022-10-17 16:30:31,765 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 322 transitions. [2022-10-17 16:30:31,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:30:31,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:31,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:32,283 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:36,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:36,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 288 states and 336 transitions. [2022-10-17 16:30:36,278 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 336 transitions. [2022-10-17 16:30:36,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:30:36,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:36,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:36,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:38,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:38,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 293 states and 340 transitions. [2022-10-17 16:30:38,620 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 340 transitions. [2022-10-17 16:30:38,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:30:38,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:38,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:38,654 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 16:30:39,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:39,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 295 states and 341 transitions. [2022-10-17 16:30:39,011 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 341 transitions. [2022-10-17 16:30:39,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:30:39,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:39,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:39,150 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:39,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:39,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 298 states and 345 transitions. [2022-10-17 16:30:39,471 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 345 transitions. [2022-10-17 16:30:39,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:30:39,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:39,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:39,500 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 16:30:39,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:39,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 300 states and 346 transitions. [2022-10-17 16:30:39,852 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 346 transitions. [2022-10-17 16:30:39,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:30:39,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:39,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:39,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:39,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:40,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:40,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 303 states and 350 transitions. [2022-10-17 16:30:40,359 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 350 transitions. [2022-10-17 16:30:40,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:30:40,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:40,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:40,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:41,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:46,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:46,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 317 states and 369 transitions. [2022-10-17 16:30:46,819 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 369 transitions. [2022-10-17 16:30:46,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:30:46,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:46,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:48,449 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.