./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.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_fdf61b6f-5108-4fb8-9945-01b3da6185de/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf61b6f-5108-4fb8-9945-01b3da6185de/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_fdf61b6f-5108-4fb8-9945-01b3da6185de/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf61b6f-5108-4fb8-9945-01b3da6185de/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf61b6f-5108-4fb8-9945-01b3da6185de/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_fdf61b6f-5108-4fb8-9945-01b3da6185de/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 02acfb70bf31515ceb84abad2b1306b0eab86ac3ab86c4ec829443e87c9da071 --- 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 16:48:16,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:48:16,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:48:16,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:48:16,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:48:16,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:48:16,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:48:16,754 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:48:16,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:48:16,758 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:48:16,759 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:48:16,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:48:16,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:48:16,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:48:16,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:48:16,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:48:16,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:48:16,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:48:16,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:48:16,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:48:16,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:48:16,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:48:16,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:48:16,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:48:16,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:48:16,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:48:16,799 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:48:16,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:48:16,807 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:48:16,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:48:16,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:48:16,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:48:16,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:48:16,814 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:48:16,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:48:16,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:48:16,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:48:16,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:48:16,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:48:16,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:48:16,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:48:16,823 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf61b6f-5108-4fb8-9945-01b3da6185de/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:48:16,849 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:48:16,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:48:16,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:48:16,852 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:48:16,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:48:16,852 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:48:16,853 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:48:16,853 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:48:16,853 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:48:16,853 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:48:16,854 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:48:16,855 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:48:16,855 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:48:16,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:48:16,855 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:48:16,856 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:48:16,856 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:48:16,856 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:48:16,856 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:48:16,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:16,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:48:16,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:48:16,857 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:48:16,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:48:16,858 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_fdf61b6f-5108-4fb8-9945-01b3da6185de/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf61b6f-5108-4fb8-9945-01b3da6185de/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02acfb70bf31515ceb84abad2b1306b0eab86ac3ab86c4ec829443e87c9da071 [2022-10-17 16:48:17,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:48:17,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:48:17,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:48:17,182 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:48:17,182 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:48:17,184 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf61b6f-5108-4fb8-9945-01b3da6185de/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i [2022-10-17 16:48:17,265 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf61b6f-5108-4fb8-9945-01b3da6185de/bin/ukojak-92XMlrwhuB/data/9fdd1365f/58094e21488044fcbb56b6e567262c34/FLAG70060c33f [2022-10-17 16:48:17,825 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:48:17,826 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf61b6f-5108-4fb8-9945-01b3da6185de/sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i [2022-10-17 16:48:17,857 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf61b6f-5108-4fb8-9945-01b3da6185de/bin/ukojak-92XMlrwhuB/data/9fdd1365f/58094e21488044fcbb56b6e567262c34/FLAG70060c33f [2022-10-17 16:48:18,119 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf61b6f-5108-4fb8-9945-01b3da6185de/bin/ukojak-92XMlrwhuB/data/9fdd1365f/58094e21488044fcbb56b6e567262c34 [2022-10-17 16:48:18,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:48:18,122 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:48:18,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:18,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:48:18,136 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:48:18,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:18" (1/1) ... [2022-10-17 16:48:18,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5698e9c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:18, skipping insertion in model container [2022-10-17 16:48:18,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:18" (1/1) ... [2022-10-17 16:48:18,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:48:18,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:48:18,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:18,810 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:48:18,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:18,958 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:48:18,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:18 WrapperNode [2022-10-17 16:48:18,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:18,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:18,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:48:18,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:48:18,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:18" (1/1) ... [2022-10-17 16:48:18,989 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:18" (1/1) ... [2022-10-17 16:48:19,019 INFO L138 Inliner]: procedures = 168, calls = 88, calls flagged for inlining = 39, calls inlined = 15, statements flattened = 146 [2022-10-17 16:48:19,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:19,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:48:19,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:48:19,022 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:48:19,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:18" (1/1) ... [2022-10-17 16:48:19,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:18" (1/1) ... [2022-10-17 16:48:19,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:18" (1/1) ... [2022-10-17 16:48:19,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:18" (1/1) ... [2022-10-17 16:48:19,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:18" (1/1) ... [2022-10-17 16:48:19,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:18" (1/1) ... [2022-10-17 16:48:19,054 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:18" (1/1) ... [2022-10-17 16:48:19,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:18" (1/1) ... [2022-10-17 16:48:19,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:48:19,060 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:48:19,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:48:19,061 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:48:19,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:18" (1/1) ... [2022-10-17 16:48:19,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:19,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf61b6f-5108-4fb8-9945-01b3da6185de/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:48:19,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf61b6f-5108-4fb8-9945-01b3da6185de/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:48:19,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf61b6f-5108-4fb8-9945-01b3da6185de/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:48:19,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:48:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:48:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:48:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:48:19,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:48:19,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:48:19,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:48:19,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:48:19,353 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:48:19,355 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:48:19,860 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:48:20,022 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:48:20,023 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:48:20,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:20 BoogieIcfgContainer [2022-10-17 16:48:20,026 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:48:20,027 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:48:20,027 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:48:20,037 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:48:20,038 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:20" (1/1) ... [2022-10-17 16:48:20,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:48:20,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:20,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 66 states and 70 transitions. [2022-10-17 16:48:20,110 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2022-10-17 16:48:20,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:48:20,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:20,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:20,451 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 16:48:20,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:20,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 67 states and 71 transitions. [2022-10-17 16:48:20,532 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2022-10-17 16:48:20,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:48:20,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:20,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:20,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:21,052 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 16:48:21,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:21,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 66 states and 70 transitions. [2022-10-17 16:48:21,335 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2022-10-17 16:48:21,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:48:21,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:21,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:21,765 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 16:48:22,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:22,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 65 states and 69 transitions. [2022-10-17 16:48:22,348 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2022-10-17 16:48:22,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:48:22,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:22,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:22,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:22,459 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 16:48:22,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:22,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 67 states and 71 transitions. [2022-10-17 16:48:22,741 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2022-10-17 16:48:22,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:48:22,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:22,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:22,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:22,845 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 16:48:23,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:23,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 69 states and 73 transitions. [2022-10-17 16:48:23,506 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2022-10-17 16:48:23,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:48:23,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:23,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:23,649 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 16:48:24,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:24,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 72 states and 76 transitions. [2022-10-17 16:48:24,334 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2022-10-17 16:48:24,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:48:24,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:24,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:24,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:24,428 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 16:48:24,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:24,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 73 states and 77 transitions. [2022-10-17 16:48:24,921 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2022-10-17 16:48:24,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:48:24,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:24,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:25,242 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 16:48:26,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:26,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 72 states and 76 transitions. [2022-10-17 16:48:26,196 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2022-10-17 16:48:26,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:48:26,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:26,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:26,696 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 16:48:28,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:28,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 71 states and 75 transitions. [2022-10-17 16:48:28,008 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions. [2022-10-17 16:48:28,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:48:28,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:28,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:28,257 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 16:48:29,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:29,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 73 states and 77 transitions. [2022-10-17 16:48:29,818 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2022-10-17 16:48:29,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:48:29,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:29,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:29,973 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 16:48:30,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:30,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 72 states and 76 transitions. [2022-10-17 16:48:30,656 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2022-10-17 16:48:30,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:48:30,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:30,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:30,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:31,140 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 16:48:32,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:32,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 71 states and 75 transitions. [2022-10-17 16:48:32,234 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions. [2022-10-17 16:48:32,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:48:32,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:32,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:32,671 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 16:48:34,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:34,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 74 states and 78 transitions. [2022-10-17 16:48:34,777 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 78 transitions. [2022-10-17 16:48:34,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:48:34,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:34,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:34,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:35,215 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 16:48:36,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:36,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 77 states and 86 transitions. [2022-10-17 16:48:36,427 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2022-10-17 16:48:36,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:48:36,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:36,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:37,200 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 16:48:39,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:39,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 76 states and 85 transitions. [2022-10-17 16:48:39,642 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2022-10-17 16:48:39,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:48:39,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:39,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:40,567 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 16:48:43,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:43,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 75 states and 84 transitions. [2022-10-17 16:48:43,016 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 84 transitions. [2022-10-17 16:48:43,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:48:43,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:43,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:43,057 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 16:48:44,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:44,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 78 states and 87 transitions. [2022-10-17 16:48:44,783 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2022-10-17 16:48:44,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:48:44,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:44,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:45,012 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 16:48:47,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:47,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 81 states and 90 transitions. [2022-10-17 16:48:47,683 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 90 transitions. [2022-10-17 16:48:47,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:48:47,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:47,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:49,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.