./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.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_a5e3adad-48c6-4a94-a3b9-7d5a05e10980/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e3adad-48c6-4a94-a3b9-7d5a05e10980/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_a5e3adad-48c6-4a94-a3b9-7d5a05e10980/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e3adad-48c6-4a94-a3b9-7d5a05e10980/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e3adad-48c6-4a94-a3b9-7d5a05e10980/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_a5e3adad-48c6-4a94-a3b9-7d5a05e10980/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 4aba0d481dbad425b1cb3ce4949768f5bfa91a070fed6a0c2b192c70ad920fc2 --- 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 16:56:03,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:56:03,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:56:03,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:56:03,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:56:03,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:56:03,831 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:56:03,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:56:03,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:56:03,849 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:56:03,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:56:03,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:56:03,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:56:03,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:56:03,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:56:03,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:56:03,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:56:03,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:56:03,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:56:03,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:56:03,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:56:03,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:56:03,883 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:56:03,884 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:56:03,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:56:03,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:56:03,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:56:03,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:56:03,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:56:03,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:56:03,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:56:03,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:56:03,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:56:03,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:56:03,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:56:03,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:56:03,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:56:03,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:56:03,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:56:03,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:56:03,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:56:03,907 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e3adad-48c6-4a94-a3b9-7d5a05e10980/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:56:03,956 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:56:03,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:56:03,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:56:03,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:56:03,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:56:03,966 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:56:03,966 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:56:03,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:56:03,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:56:03,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:56:03,968 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:56:03,968 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:56:03,968 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:56:03,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:56:03,968 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:56:03,969 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:56:03,969 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:56:03,969 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:56:03,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:56:03,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:56:03,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:56:03,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:56:03,970 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:56:03,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:56:03,971 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_a5e3adad-48c6-4a94-a3b9-7d5a05e10980/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e3adad-48c6-4a94-a3b9-7d5a05e10980/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4aba0d481dbad425b1cb3ce4949768f5bfa91a070fed6a0c2b192c70ad920fc2 [2022-10-17 16:56:04,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:56:04,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:56:04,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:56:04,333 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:56:04,334 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:56:04,335 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e3adad-48c6-4a94-a3b9-7d5a05e10980/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i [2022-10-17 16:56:04,398 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e3adad-48c6-4a94-a3b9-7d5a05e10980/bin/ukojak-92XMlrwhuB/data/4c01ea017/e45adc7b7cc649b395b8c8349efb9423/FLAG4034e966c [2022-10-17 16:56:05,179 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:56:05,181 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e3adad-48c6-4a94-a3b9-7d5a05e10980/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i [2022-10-17 16:56:05,225 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e3adad-48c6-4a94-a3b9-7d5a05e10980/bin/ukojak-92XMlrwhuB/data/4c01ea017/e45adc7b7cc649b395b8c8349efb9423/FLAG4034e966c [2022-10-17 16:56:05,715 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e3adad-48c6-4a94-a3b9-7d5a05e10980/bin/ukojak-92XMlrwhuB/data/4c01ea017/e45adc7b7cc649b395b8c8349efb9423 [2022-10-17 16:56:05,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:56:05,720 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:56:05,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:56:05,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:56:05,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:56:05,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:56:05" (1/1) ... [2022-10-17 16:56:05,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f024e9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:05, skipping insertion in model container [2022-10-17 16:56:05,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:56:05" (1/1) ... [2022-10-17 16:56:05,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:56:05,822 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:56:06,037 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_a5e3adad-48c6-4a94-a3b9-7d5a05e10980/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i[472,485] [2022-10-17 16:56:07,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:56:07,471 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:56:07,483 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_a5e3adad-48c6-4a94-a3b9-7d5a05e10980/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i[472,485] [2022-10-17 16:56:07,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:56:07,854 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:56:07,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:07 WrapperNode [2022-10-17 16:56:07,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:56:07,856 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:56:07,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:56:07,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:56:07,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:07" (1/1) ... [2022-10-17 16:56:07,936 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:07" (1/1) ... [2022-10-17 16:56:08,070 INFO L138 Inliner]: procedures = 474, calls = 840, calls flagged for inlining = 201, calls inlined = 246, statements flattened = 1803 [2022-10-17 16:56:08,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:56:08,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:56:08,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:56:08,075 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:56:08,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:07" (1/1) ... [2022-10-17 16:56:08,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:07" (1/1) ... [2022-10-17 16:56:08,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:07" (1/1) ... [2022-10-17 16:56:08,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:07" (1/1) ... [2022-10-17 16:56:08,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:07" (1/1) ... [2022-10-17 16:56:08,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:07" (1/1) ... [2022-10-17 16:56:08,235 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:07" (1/1) ... [2022-10-17 16:56:08,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:07" (1/1) ... [2022-10-17 16:56:08,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:56:08,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:56:08,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:56:08,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:56:08,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:07" (1/1) ... [2022-10-17 16:56:08,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:56:08,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e3adad-48c6-4a94-a3b9-7d5a05e10980/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:56:08,373 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e3adad-48c6-4a94-a3b9-7d5a05e10980/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:56:08,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e3adad-48c6-4a94-a3b9-7d5a05e10980/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:56:08,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:56:08,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 16:56:08,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:56:08,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:56:08,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:56:08,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:56:08,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:56:08,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:56:08,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 16:56:08,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:56:08,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:56:08,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:56:08,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:56:08,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:56:08,903 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:56:08,905 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:56:11,879 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:56:12,683 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:56:12,684 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-17 16:56:12,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:56:12 BoogieIcfgContainer [2022-10-17 16:56:12,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:56:12,697 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:56:12,697 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:56:12,708 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:56:12,708 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:56:12" (1/1) ... [2022-10-17 16:56:12,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:56:12,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:12,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 536 states and 605 transitions. [2022-10-17 16:56:12,828 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 605 transitions. [2022-10-17 16:56:12,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:56:12,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:12,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:13,676 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 16:56:14,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:14,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 535 states and 604 transitions. [2022-10-17 16:56:14,515 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 604 transitions. [2022-10-17 16:56:14,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:56:14,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:14,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:14,985 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 16:56:16,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 16:56:16,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:16,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 534 states and 603 transitions. [2022-10-17 16:56:16,111 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 603 transitions. [2022-10-17 16:56:16,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:56:16,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:16,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:16,233 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 16:56:16,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:16,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 533 states and 602 transitions. [2022-10-17 16:56:16,259 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 602 transitions. [2022-10-17 16:56:16,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:56:16,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:16,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:16,836 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 16:56:16,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:16,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 532 states and 601 transitions. [2022-10-17 16:56:16,952 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 601 transitions. [2022-10-17 16:56:16,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:56:16,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:16,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:17,276 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 16:56:18,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 16:56:18,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:18,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 531 states and 600 transitions. [2022-10-17 16:56:18,616 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 600 transitions. [2022-10-17 16:56:18,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:56:18,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:18,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:18,969 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 16:56:20,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:20,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 533 states and 602 transitions. [2022-10-17 16:56:20,427 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 602 transitions. [2022-10-17 16:56:20,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:56:20,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:20,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:20,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:21,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:21,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 535 states and 604 transitions. [2022-10-17 16:56:21,296 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 604 transitions. [2022-10-17 16:56:21,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:56:21,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:21,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:21,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:21,821 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:22,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:22,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 537 states and 606 transitions. [2022-10-17 16:56:22,144 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 606 transitions. [2022-10-17 16:56:22,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:56:22,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:22,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:22,679 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:23,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:23,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 539 states and 608 transitions. [2022-10-17 16:56:23,043 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 608 transitions. [2022-10-17 16:56:23,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:56:23,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:23,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:23,659 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:24,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:24,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 538 states and 607 transitions. [2022-10-17 16:56:24,494 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 607 transitions. [2022-10-17 16:56:24,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:56:24,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:24,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:24,713 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 16:56:27,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:27,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 541 states and 615 transitions. [2022-10-17 16:56:27,371 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 615 transitions. [2022-10-17 16:56:27,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:56:27,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:27,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:27,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:27,831 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 16:56:31,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:31,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 544 states and 620 transitions. [2022-10-17 16:56:31,193 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 620 transitions. [2022-10-17 16:56:31,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:56:31,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:31,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:31,461 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 16:56:31,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:31,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 543 states and 619 transitions. [2022-10-17 16:56:31,563 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 619 transitions. [2022-10-17 16:56:31,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:56:31,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:31,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:31,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:31,918 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 16:56:32,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:32,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 544 states and 622 transitions. [2022-10-17 16:56:32,203 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 622 transitions. [2022-10-17 16:56:32,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:56:32,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:32,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:32,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:32,425 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-10-17 16:56:32,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:32,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 543 states and 619 transitions. [2022-10-17 16:56:32,805 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 619 transitions. [2022-10-17 16:56:32,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:56:32,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:32,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:33,437 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.