./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 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3202b9e9-8f4e-4d01-8572-cf676c68bd7b/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3202b9e9-8f4e-4d01-8572-cf676c68bd7b/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3202b9e9-8f4e-4d01-8572-cf676c68bd7b/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3202b9e9-8f4e-4d01-8572-cf676c68bd7b/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/merge_sort-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3202b9e9-8f4e-4d01-8572-cf676c68bd7b/bin/ukojak-pZX7IvK2PQ/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3202b9e9-8f4e-4d01-8572-cf676c68bd7b/bin/ukojak-pZX7IvK2PQ --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-6b4ec56 [2022-11-20 18:07:29,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:07:29,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:07:29,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:07:29,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:07:29,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:07:29,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:07:29,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:07:29,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:07:29,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:07:29,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:07:29,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:07:29,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:07:29,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:07:29,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:07:29,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:07:29,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:07:29,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:07:29,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:07:29,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:07:30,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:07:30,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:07:30,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:07:30,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:07:30,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:07:30,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:07:30,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:07:30,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:07:30,014 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:07:30,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:07:30,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:07:30,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:07:30,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:07:30,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:07:30,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:07:30,029 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:07:30,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:07:30,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:07:30,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:07:30,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:07:30,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:07:30,034 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3202b9e9-8f4e-4d01-8572-cf676c68bd7b/bin/ukojak-pZX7IvK2PQ/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2022-11-20 18:07:30,072 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:07:30,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:07:30,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:07:30,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:07:30,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:07:30,078 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:07:30,078 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:07:30,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:07:30,079 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:07:30,079 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:07:30,080 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 18:07:30,080 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 18:07:30,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:07:30,081 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:07:30,081 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:07:30,081 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:07:30,081 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:07:30,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:07:30,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:07:30,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:07:30,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:07:30,083 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:07:30,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:07:30,083 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_3202b9e9-8f4e-4d01-8572-cf676c68bd7b/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3202b9e9-8f4e-4d01-8572-cf676c68bd7b/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15d1d7d49ed223522c6431664b8ff836ebc81296f5e11773e2197361bd8b13cf [2022-11-20 18:07:30,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:07:30,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:07:30,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:07:30,416 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:07:30,417 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:07:30,418 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3202b9e9-8f4e-4d01-8572-cf676c68bd7b/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/heap-manipulation/merge_sort-1.i [2022-11-20 18:07:33,375 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:07:33,667 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:07:33,668 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3202b9e9-8f4e-4d01-8572-cf676c68bd7b/sv-benchmarks/c/heap-manipulation/merge_sort-1.i [2022-11-20 18:07:33,691 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3202b9e9-8f4e-4d01-8572-cf676c68bd7b/bin/ukojak-pZX7IvK2PQ/data/ca1427822/062b74ae539844019ce3f94fe785ad0f/FLAG6b2f080f2 [2022-11-20 18:07:33,709 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3202b9e9-8f4e-4d01-8572-cf676c68bd7b/bin/ukojak-pZX7IvK2PQ/data/ca1427822/062b74ae539844019ce3f94fe785ad0f [2022-11-20 18:07:33,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:07:33,714 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:07:33,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:07:33,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:07:33,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:07:33,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:07:33" (1/1) ... [2022-11-20 18:07:33,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f4b87e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:33, skipping insertion in model container [2022-11-20 18:07:33,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:07:33" (1/1) ... [2022-11-20 18:07:33,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:07:33,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:07:34,186 WARN L237 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_3202b9e9-8f4e-4d01-8572-cf676c68bd7b/sv-benchmarks/c/heap-manipulation/merge_sort-1.i[22632,22645] [2022-11-20 18:07:34,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:07:34,262 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:07:34,305 WARN L237 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_3202b9e9-8f4e-4d01-8572-cf676c68bd7b/sv-benchmarks/c/heap-manipulation/merge_sort-1.i[22632,22645] [2022-11-20 18:07:34,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:07:34,363 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:07:34,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:34 WrapperNode [2022-11-20 18:07:34,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:07:34,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:07:34,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:07:34,365 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:07:34,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:34" (1/1) ... [2022-11-20 18:07:34,389 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:34" (1/1) ... [2022-11-20 18:07:34,420 INFO L138 Inliner]: procedures = 125, calls = 83, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 359 [2022-11-20 18:07:34,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:07:34,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:07:34,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:07:34,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:07:34,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:34" (1/1) ... [2022-11-20 18:07:34,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:34" (1/1) ... [2022-11-20 18:07:34,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:34" (1/1) ... [2022-11-20 18:07:34,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:34" (1/1) ... [2022-11-20 18:07:34,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:34" (1/1) ... [2022-11-20 18:07:34,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:34" (1/1) ... [2022-11-20 18:07:34,464 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:34" (1/1) ... [2022-11-20 18:07:34,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:34" (1/1) ... [2022-11-20 18:07:34,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:07:34,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:07:34,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:07:34,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:07:34,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:34" (1/1) ... [2022-11-20 18:07:34,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:07:34,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3202b9e9-8f4e-4d01-8572-cf676c68bd7b/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:07:34,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3202b9e9-8f4e-4d01-8572-cf676c68bd7b/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:07:34,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3202b9e9-8f4e-4d01-8572-cf676c68bd7b/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:07:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 18:07:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 18:07:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 18:07:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:07:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:07:34,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 18:07:34,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 18:07:34,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:07:34,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:07:34,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:07:34,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:07:34,821 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:07:34,833 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:07:35,640 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:07:35,726 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:07:35,726 INFO L300 CfgBuilder]: Removed 33 assume(true) statements. [2022-11-20 18:07:35,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:07:35 BoogieIcfgContainer [2022-11-20 18:07:35,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:07:35,733 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:07:35,733 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:07:35,744 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:07:35,744 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:07:35" (1/1) ... [2022-11-20 18:07:35,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:07:35,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:35,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 257 states and 313 transitions. [2022-11-20 18:07:35,831 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 313 transitions. [2022-11-20 18:07:35,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 18:07:35,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:35,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:36,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:36,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:36,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 256 states and 311 transitions. [2022-11-20 18:07:36,060 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 311 transitions. [2022-11-20 18:07:36,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 18:07:36,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:36,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:36,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:36,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:36,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:36,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 255 states and 310 transitions. [2022-11-20 18:07:36,244 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 310 transitions. [2022-11-20 18:07:36,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 18:07:36,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:36,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:36,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:36,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:36,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 259 states and 317 transitions. [2022-11-20 18:07:36,318 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 317 transitions. [2022-11-20 18:07:36,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 18:07:36,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:36,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:36,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:36,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:36,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 258 states and 316 transitions. [2022-11-20 18:07:36,394 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 316 transitions. [2022-11-20 18:07:36,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 18:07:36,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:36,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:36,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:36,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:36,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 257 states and 315 transitions. [2022-11-20 18:07:36,516 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 315 transitions. [2022-11-20 18:07:36,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 18:07:36,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:36,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:36,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:36,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:36,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 257 states and 312 transitions. [2022-11-20 18:07:36,543 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 312 transitions. [2022-11-20 18:07:36,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 18:07:36,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:36,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:36,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:36,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:36,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:36,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 260 states and 315 transitions. [2022-11-20 18:07:36,738 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 315 transitions. [2022-11-20 18:07:36,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 18:07:36,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:36,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:36,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:36,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:36,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 259 states and 314 transitions. [2022-11-20 18:07:36,824 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 314 transitions. [2022-11-20 18:07:36,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 18:07:36,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:36,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:36,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:37,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:37,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 258 states and 313 transitions. [2022-11-20 18:07:37,053 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 313 transitions. [2022-11-20 18:07:37,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 18:07:37,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:37,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:37,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:37,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:37,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 257 states and 312 transitions. [2022-11-20 18:07:37,126 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 312 transitions. [2022-11-20 18:07:37,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 18:07:37,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:37,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:37,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:37,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:37,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 256 states and 311 transitions. [2022-11-20 18:07:37,208 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 311 transitions. [2022-11-20 18:07:37,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:07:37,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:37,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:37,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:37,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:37,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 256 states and 309 transitions. [2022-11-20 18:07:37,677 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 309 transitions. [2022-11-20 18:07:37,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 18:07:37,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:37,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:37,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:38,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:38,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 254 states and 307 transitions. [2022-11-20 18:07:38,107 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 307 transitions. [2022-11-20 18:07:38,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 18:07:38,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:38,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:38,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:38,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:38,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:38,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 257 states and 312 transitions. [2022-11-20 18:07:38,671 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 312 transitions. [2022-11-20 18:07:38,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 18:07:38,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:38,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:39,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:39,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:39,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 260 states and 317 transitions. [2022-11-20 18:07:39,852 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 317 transitions. [2022-11-20 18:07:39,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 18:07:39,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:39,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:40,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:40,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:40,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 258 states and 314 transitions. [2022-11-20 18:07:40,510 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 314 transitions. [2022-11-20 18:07:40,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 18:07:40,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:40,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:40,591 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:40,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:40,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 256 states and 311 transitions. [2022-11-20 18:07:40,840 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 311 transitions. [2022-11-20 18:07:40,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 18:07:40,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:40,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:40,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:07:40,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:40,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 256 states and 307 transitions. [2022-11-20 18:07:40,894 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 307 transitions. [2022-11-20 18:07:40,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 18:07:40,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:40,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:40,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:41,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:41,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 259 states and 312 transitions. [2022-11-20 18:07:41,120 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 312 transitions. [2022-11-20 18:07:41,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 18:07:41,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:41,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:41,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:41,142 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:07:41,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:41,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 259 states and 308 transitions. [2022-11-20 18:07:41,150 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 308 transitions. [2022-11-20 18:07:41,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 18:07:41,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:41,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:41,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:41,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:41,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 260 states and 308 transitions. [2022-11-20 18:07:41,213 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 308 transitions. [2022-11-20 18:07:41,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 18:07:41,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:41,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:41,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:07:41,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:41,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 262 states and 311 transitions. [2022-11-20 18:07:41,264 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 311 transitions. [2022-11-20 18:07:41,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 18:07:41,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:41,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:41,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:41,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:41,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 266 states and 316 transitions. [2022-11-20 18:07:41,530 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 316 transitions. [2022-11-20 18:07:41,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 18:07:41,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:41,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:41,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:07:41,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:41,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 268 states and 319 transitions. [2022-11-20 18:07:41,614 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 319 transitions. [2022-11-20 18:07:41,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 18:07:41,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:41,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:41,790 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:41,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:41,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 271 states and 322 transitions. [2022-11-20 18:07:41,822 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 322 transitions. [2022-11-20 18:07:41,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 18:07:41,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:41,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:42,126 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:07:43,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:43,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 272 states and 322 transitions. [2022-11-20 18:07:43,419 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 322 transitions. [2022-11-20 18:07:43,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 18:07:43,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:43,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:43,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:43,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:07:43,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:43,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 273 states and 322 transitions. [2022-11-20 18:07:43,750 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 322 transitions. [2022-11-20 18:07:43,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:07:43,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:43,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:43,779 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:07:44,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:44,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 272 states and 319 transitions. [2022-11-20 18:07:44,059 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 319 transitions. [2022-11-20 18:07:44,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:07:44,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:44,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:44,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:44,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:44,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 275 states and 322 transitions. [2022-11-20 18:07:44,493 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 322 transitions. [2022-11-20 18:07:44,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:07:44,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:44,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:44,525 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:07:44,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:44,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 274 states and 319 transitions. [2022-11-20 18:07:44,825 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 319 transitions. [2022-11-20 18:07:44,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:07:44,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:44,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:44,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:44,954 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:45,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:45,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 277 states and 322 transitions. [2022-11-20 18:07:45,312 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 322 transitions. [2022-11-20 18:07:45,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 18:07:45,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:45,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:45,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:50,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:50,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 288 states and 336 transitions. [2022-11-20 18:07:50,613 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 336 transitions. [2022-11-20 18:07:50,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 18:07:50,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:50,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:50,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:50,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:53,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:53,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 293 states and 340 transitions. [2022-11-20 18:07:53,011 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 340 transitions. [2022-11-20 18:07:53,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 18:07:53,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:53,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:53,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:07:53,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:53,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 295 states and 341 transitions. [2022-11-20 18:07:53,444 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 341 transitions. [2022-11-20 18:07:53,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 18:07:53,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:53,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:53,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:54,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:54,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 298 states and 345 transitions. [2022-11-20 18:07:54,023 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 345 transitions. [2022-11-20 18:07:54,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 18:07:54,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:54,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:54,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:07:54,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:54,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 300 states and 346 transitions. [2022-11-20 18:07:54,453 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 346 transitions. [2022-11-20 18:07:54,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 18:07:54,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:54,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:54,602 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:55,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:55,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 303 states and 350 transitions. [2022-11-20 18:07:55,035 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 350 transitions. [2022-11-20 18:07:55,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:07:55,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:55,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:55,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:08:03,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:08:03,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 317 states and 369 transitions. [2022-11-20 18:08:03,217 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 369 transitions. [2022-11-20 18:08:03,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:08:03,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:08:03,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:08:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:08:04,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:08:16,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:08:16,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 331 states and 388 transitions. [2022-11-20 18:08:16,668 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 388 transitions. [2022-11-20 18:08:16,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:08:16,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:08:16,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:08:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:08:17,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:08:20,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:08:20,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 341 states and 400 transitions. [2022-11-20 18:08:20,476 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 400 transitions. [2022-11-20 18:08:20,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:08:20,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:08:20,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:08:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:08:20,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:08:21,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:08:21,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 339 states and 397 transitions. [2022-11-20 18:08:21,687 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 397 transitions. [2022-11-20 18:08:21,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:08:21,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:08:21,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:08:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:08:23,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:08:34,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:08:34,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 351 states and 413 transitions. [2022-11-20 18:08:34,661 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 413 transitions. [2022-11-20 18:08:34,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:08:34,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:08:34,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:08:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:08:35,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:08:41,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:08:41,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 361 states and 425 transitions. [2022-11-20 18:08:41,641 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 425 transitions. [2022-11-20 18:08:41,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 18:08:41,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:08:41,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:08:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:08:41,657 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:08:41,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:08:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:08:41,750 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:08:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:08:41,833 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 44 iterations. [2022-11-20 18:08:41,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:08:41 ImpRootNode [2022-11-20 18:08:41,865 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:08:41,865 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:08:41,865 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:08:41,866 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:08:41,866 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:07:35" (3/4) ... [2022-11-20 18:08:41,868 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 18:08:41,942 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3202b9e9-8f4e-4d01-8572-cf676c68bd7b/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:08:41,942 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:08:41,943 INFO L158 Benchmark]: Toolchain (without parser) took 68228.82ms. Allocated memory was 174.1MB in the beginning and 677.4MB in the end (delta: 503.3MB). Free memory was 133.3MB in the beginning and 237.7MB in the end (delta: -104.4MB). Peak memory consumption was 400.5MB. Max. memory is 16.1GB. [2022-11-20 18:08:41,944 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 136.3MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:08:41,944 INFO L158 Benchmark]: CACSL2BoogieTranslator took 645.21ms. Allocated memory is still 174.1MB. Free memory was 132.7MB in the beginning and 114.4MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 18:08:41,945 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.09ms. Allocated memory is still 174.1MB. Free memory was 114.4MB in the beginning and 111.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:08:41,945 INFO L158 Benchmark]: Boogie Preprocessor took 59.52ms. Allocated memory is still 174.1MB. Free memory was 111.7MB in the beginning and 109.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:08:41,946 INFO L158 Benchmark]: RCFGBuilder took 1249.60ms. Allocated memory is still 174.1MB. Free memory was 109.0MB in the beginning and 115.7MB in the end (delta: -6.7MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2022-11-20 18:08:41,946 INFO L158 Benchmark]: CodeCheck took 66131.77ms. Allocated memory was 174.1MB in the beginning and 677.4MB in the end (delta: 503.3MB). Free memory was 115.7MB in the beginning and 240.9MB in the end (delta: -125.2MB). Peak memory consumption was 378.0MB. Max. memory is 16.1GB. [2022-11-20 18:08:41,947 INFO L158 Benchmark]: Witness Printer took 77.23ms. Allocated memory is still 677.4MB. Free memory was 240.9MB in the beginning and 237.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:08:41,950 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 257 locations, 131 error locations. Started 1 CEGAR loops. OverallTime: 66.1s, OverallIterations: 44, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6563 SdHoareTripleChecker+Valid, 19.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4150 mSDsluCounter, 5631 SdHoareTripleChecker+Invalid, 16.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4154 mSDsCounter, 3050 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10627 IncrementalHoareTripleChecker+Invalid, 13677 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3050 mSolverCounterUnsat, 1477 mSDtfsCounter, 10627 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5753 GetRequests, 5265 SyntacticMatches, 58 SemanticMatches, 430 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69174 ImplicationChecksByTransitivity, 59.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 8.7s InterpolantComputationTime, 692 NumberOfCodeBlocks, 692 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 623 ConstructedInterpolants, 0 QuantifiedInterpolants, 3351 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 43 InterpolantComputations, 43 PerfectInterpolantSequences, 64/64 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 565]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L638] struct list *data = ((void *)0); VAL [data={0:0}] [L639] COND TRUE __VERIFIER_nondet_int() [L640] struct node *node = malloc(sizeof *node); [L641] COND FALSE !(!node) VAL [data={0:0}, node={15165:0}] [L643] node->next = node [L644] node->value = __VERIFIER_nondet_int() [L645] struct list *item = malloc(sizeof *item); [L646] COND FALSE !(!item) VAL [data={0:0}, item={-31399:0}, node={15165:0}] [L648] item->slist = node VAL [data={0:0}, item={-31399:0}, node={15165:0}] [L649] item->next = data [L650] data = item VAL [data={-31399:0}, item={-31399:0}, node={15165:0}] [L639] COND FALSE !(__VERIFIER_nondet_int()) [L652] COND FALSE !(!data) [L654] CALL inspect_before(data) [L615] COND FALSE !(!(shape)) VAL [shape={-31399:0}, shape={-31399:0}] [L616] shape->next VAL [shape={-31399:0}, shape={-31399:0}, shape->next={0:0}] [L616] COND FALSE !(shape->next) [L622] COND FALSE !(!(shape)) VAL [shape={-31399:0}, shape={-31399:0}] [L623] EXPR shape->next VAL [shape={-31399:0}, shape={-31399:0}, shape->next={0:0}] [L623] COND FALSE !(!(shape->next == ((void *)0))) [L624] EXPR shape->slist VAL [shape={-31399:0}, shape={-31399:0}, shape->slist={15165:0}] [L624] COND FALSE !(!(shape->slist)) [L625] EXPR shape->slist VAL [shape={-31399:0}, shape={-31399:0}, shape->slist={15165:0}] [L625] EXPR shape->slist->next VAL [shape={-31399:0}, shape={-31399:0}, shape->slist={15165:0}, shape->slist->next={15165:0}] [L625] COND TRUE !(shape->slist->next == ((void *)0)) [L625] CALL fail() [L565] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 136.3MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 645.21ms. Allocated memory is still 174.1MB. Free memory was 132.7MB in the beginning and 114.4MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.09ms. Allocated memory is still 174.1MB. Free memory was 114.4MB in the beginning and 111.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.52ms. Allocated memory is still 174.1MB. Free memory was 111.7MB in the beginning and 109.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1249.60ms. Allocated memory is still 174.1MB. Free memory was 109.0MB in the beginning and 115.7MB in the end (delta: -6.7MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. * CodeCheck took 66131.77ms. Allocated memory was 174.1MB in the beginning and 677.4MB in the end (delta: 503.3MB). Free memory was 115.7MB in the beginning and 240.9MB in the end (delta: -125.2MB). Peak memory consumption was 378.0MB. Max. memory is 16.1GB. * Witness Printer took 77.23ms. Allocated memory is still 677.4MB. Free memory was 240.9MB in the beginning and 237.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 18:08:41,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3202b9e9-8f4e-4d01-8572-cf676c68bd7b/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup)