./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2c_update_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b580704-dbac-4d50-8d5f-158ee185376b/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b580704-dbac-4d50-8d5f-158ee185376b/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_1b580704-dbac-4d50-8d5f-158ee185376b/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b580704-dbac-4d50-8d5f-158ee185376b/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2c_update_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b580704-dbac-4d50-8d5f-158ee185376b/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b580704-dbac-4d50-8d5f-158ee185376b/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6bfeee33a1b1d098a34bec7a761d4de16bc595043f21d77f5851cba758b79f34 --- 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 16:49:58,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:49:58,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:49:58,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:49:58,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:49:58,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:49:58,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:49:58,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:49:58,946 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:49:58,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:49:58,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:49:58,951 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:49:58,951 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:49:58,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:49:58,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:49:58,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:49:58,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:49:58,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:49:58,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:49:58,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:49:58,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:49:58,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:49:58,984 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:49:58,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:49:58,992 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:49:58,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:49:58,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:49:59,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:49:59,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:49:59,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:49:59,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:49:59,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:49:59,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:49:59,011 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:49:59,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:49:59,013 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:49:59,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:49:59,014 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:49:59,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:49:59,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:49:59,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:49:59,017 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b580704-dbac-4d50-8d5f-158ee185376b/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:49:59,058 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:49:59,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:49:59,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:49:59,064 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:49:59,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:49:59,065 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:49:59,065 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:49:59,066 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:49:59,066 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:49:59,066 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:49:59,067 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:49:59,067 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:49:59,068 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:49:59,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:49:59,068 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:49:59,068 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:49:59,069 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:49:59,069 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:49:59,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:49:59,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:59,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:49:59,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:49:59,070 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:49:59,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:49:59,070 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_1b580704-dbac-4d50-8d5f-158ee185376b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b580704-dbac-4d50-8d5f-158ee185376b/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bfeee33a1b1d098a34bec7a761d4de16bc595043f21d77f5851cba758b79f34 [2022-10-17 16:49:59,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:49:59,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:49:59,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:49:59,374 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:49:59,375 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:49:59,376 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b580704-dbac-4d50-8d5f-158ee185376b/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-simple/dll2c_update_all.i [2022-10-17 16:49:59,444 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b580704-dbac-4d50-8d5f-158ee185376b/bin/ukojak-92XMlrwhuB/data/88bbf01a8/737edc3599e2406b81903731f62b2675/FLAG73ba6402a [2022-10-17 16:50:00,025 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:50:00,025 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b580704-dbac-4d50-8d5f-158ee185376b/sv-benchmarks/c/list-simple/dll2c_update_all.i [2022-10-17 16:50:00,047 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b580704-dbac-4d50-8d5f-158ee185376b/bin/ukojak-92XMlrwhuB/data/88bbf01a8/737edc3599e2406b81903731f62b2675/FLAG73ba6402a [2022-10-17 16:50:00,272 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b580704-dbac-4d50-8d5f-158ee185376b/bin/ukojak-92XMlrwhuB/data/88bbf01a8/737edc3599e2406b81903731f62b2675 [2022-10-17 16:50:00,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:50:00,276 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:50:00,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:00,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:50:00,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:50:00,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:00" (1/1) ... [2022-10-17 16:50:00,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e3326ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:00, skipping insertion in model container [2022-10-17 16:50:00,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:00" (1/1) ... [2022-10-17 16:50:00,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:50:00,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:50:00,775 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_1b580704-dbac-4d50-8d5f-158ee185376b/sv-benchmarks/c/list-simple/dll2c_update_all.i[24538,24551] [2022-10-17 16:50:00,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:00,794 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:50:00,864 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_1b580704-dbac-4d50-8d5f-158ee185376b/sv-benchmarks/c/list-simple/dll2c_update_all.i[24538,24551] [2022-10-17 16:50:00,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:00,905 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:50:00,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:00 WrapperNode [2022-10-17 16:50:00,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:00,907 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:00,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:50:00,908 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:50:00,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:00" (1/1) ... [2022-10-17 16:50:00,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:00" (1/1) ... [2022-10-17 16:50:00,986 INFO L138 Inliner]: procedures = 126, calls = 29, calls flagged for inlining = 9, calls inlined = 10, statements flattened = 151 [2022-10-17 16:50:00,986 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:00,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:50:00,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:50:00,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:50:00,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:00" (1/1) ... [2022-10-17 16:50:00,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:00" (1/1) ... [2022-10-17 16:50:01,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:00" (1/1) ... [2022-10-17 16:50:01,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:00" (1/1) ... [2022-10-17 16:50:01,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:00" (1/1) ... [2022-10-17 16:50:01,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:00" (1/1) ... [2022-10-17 16:50:01,016 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:00" (1/1) ... [2022-10-17 16:50:01,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:00" (1/1) ... [2022-10-17 16:50:01,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:50:01,022 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:50:01,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:50:01,023 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:50:01,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:00" (1/1) ... [2022-10-17 16:50:01,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:01,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b580704-dbac-4d50-8d5f-158ee185376b/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:50:01,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b580704-dbac-4d50-8d5f-158ee185376b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:50:01,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b580704-dbac-4d50-8d5f-158ee185376b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:50:01,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:50:01,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:50:01,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:50:01,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:50:01,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:50:01,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:50:01,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:50:01,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:50:01,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:50:01,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:50:01,305 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:50:01,307 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:50:01,776 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:50:01,878 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:50:01,879 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-10-17 16:50:01,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:01 BoogieIcfgContainer [2022-10-17 16:50:01,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:50:01,905 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:50:01,905 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:50:01,915 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:50:01,916 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:01" (1/1) ... [2022-10-17 16:50:01,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:50:02,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:02,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 81 states and 91 transitions. [2022-10-17 16:50:02,033 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 91 transitions. [2022-10-17 16:50:02,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:50:02,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:02,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:02,230 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 16:50:02,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:02,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 80 states and 90 transitions. [2022-10-17 16:50:02,268 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2022-10-17 16:50:02,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:50:02,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:02,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:02,374 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 16:50:02,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:02,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 79 states and 89 transitions. [2022-10-17 16:50:02,464 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2022-10-17 16:50:02,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:50:02,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:02,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:02,502 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 16:50:02,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:02,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 78 states and 88 transitions. [2022-10-17 16:50:02,519 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2022-10-17 16:50:02,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:50:02,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:02,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:02,609 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 16:50:02,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:02,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 77 states and 87 transitions. [2022-10-17 16:50:02,628 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2022-10-17 16:50:02,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:50:02,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:02,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:02,664 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 16:50:02,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:02,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 76 states and 86 transitions. [2022-10-17 16:50:02,681 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2022-10-17 16:50:02,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:50:02,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:02,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:02,758 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 16:50:02,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:02,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 75 states and 85 transitions. [2022-10-17 16:50:02,779 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 85 transitions. [2022-10-17 16:50:02,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:50:02,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:02,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:02,849 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 16:50:02,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:02,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 76 states and 87 transitions. [2022-10-17 16:50:02,995 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 87 transitions. [2022-10-17 16:50:02,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:50:02,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:02,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:03,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:03,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:03,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 75 states and 86 transitions. [2022-10-17 16:50:03,077 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 86 transitions. [2022-10-17 16:50:03,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:50:03,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:03,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:03,180 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 16:50:03,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:03,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 74 states and 85 transitions. [2022-10-17 16:50:03,310 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 85 transitions. [2022-10-17 16:50:03,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:50:03,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:03,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:03,375 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 16:50:03,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:03,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 73 states and 84 transitions. [2022-10-17 16:50:03,402 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 84 transitions. [2022-10-17 16:50:03,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:50:03,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:03,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:03,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:03,545 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 16:50:03,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:03,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 72 states and 83 transitions. [2022-10-17 16:50:03,791 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 83 transitions. [2022-10-17 16:50:03,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:50:03,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:03,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:03,834 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 16:50:03,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:03,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 71 states and 82 transitions. [2022-10-17 16:50:03,857 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 82 transitions. [2022-10-17 16:50:03,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:50:03,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:03,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:03,959 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 16:50:03,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:03,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 70 states and 81 transitions. [2022-10-17 16:50:03,978 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2022-10-17 16:50:03,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:50:03,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:03,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:04,076 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 16:50:04,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:04,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 69 states and 80 transitions. [2022-10-17 16:50:04,119 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 80 transitions. [2022-10-17 16:50:04,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:50:04,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:04,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:04,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:04,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:04,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 68 states and 79 transitions. [2022-10-17 16:50:04,486 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 79 transitions. [2022-10-17 16:50:04,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:50:04,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:04,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:04,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:04,712 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 16:50:05,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:05,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 76 states and 92 transitions. [2022-10-17 16:50:05,259 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 92 transitions. [2022-10-17 16:50:05,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:50:05,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:05,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:05,546 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 16:50:06,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:06,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 84 states and 105 transitions. [2022-10-17 16:50:06,403 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2022-10-17 16:50:06,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:50:06,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:06,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:06,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:07,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:07,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 90 states and 113 transitions. [2022-10-17 16:50:07,904 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 113 transitions. [2022-10-17 16:50:07,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:50:07,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:07,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:08,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:10,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:10,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 101 states and 142 transitions. [2022-10-17 16:50:10,010 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 142 transitions. [2022-10-17 16:50:10,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:50:10,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:10,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:10,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:10,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:13,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:13,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 112 states and 174 transitions. [2022-10-17 16:50:13,107 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 174 transitions. [2022-10-17 16:50:13,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:50:13,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:13,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:13,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:14,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:14,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 117 states and 189 transitions. [2022-10-17 16:50:14,966 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 189 transitions. [2022-10-17 16:50:14,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:50:14,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:14,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:15,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:17,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:17,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 122 states and 208 transitions. [2022-10-17 16:50:17,055 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 208 transitions. [2022-10-17 16:50:17,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:50:17,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:17,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:17,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:50:17,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:17,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 125 states and 215 transitions. [2022-10-17 16:50:17,617 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 215 transitions. [2022-10-17 16:50:17,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:50:17,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:17,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:18,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:19,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:19,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 128 states and 225 transitions. [2022-10-17 16:50:19,283 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 225 transitions. [2022-10-17 16:50:19,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:50:19,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:19,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:19,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:50:20,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:20,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 130 states and 231 transitions. [2022-10-17 16:50:20,536 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 231 transitions. [2022-10-17 16:50:20,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:50:20,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:20,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:20,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:50:25,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:25,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 143 states and 268 transitions. [2022-10-17 16:50:25,172 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 268 transitions. [2022-10-17 16:50:25,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:50:25,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:25,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:25,266 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:50:26,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:26,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 146 states and 272 transitions. [2022-10-17 16:50:26,093 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 272 transitions. [2022-10-17 16:50:26,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:50:26,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:26,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:26,491 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:50:28,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:28,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 150 states and 282 transitions. [2022-10-17 16:50:28,422 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 282 transitions. [2022-10-17 16:50:28,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:50:28,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:28,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:29,020 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.