./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/forester-heap/dll-optional-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc93fe96-eb50-406d-b545-893614564c79/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc93fe96-eb50-406d-b545-893614564c79/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_cc93fe96-eb50-406d-b545-893614564c79/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc93fe96-eb50-406d-b545-893614564c79/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-optional-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc93fe96-eb50-406d-b545-893614564c79/bin/ukojak-92XMlrwhuB/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc93fe96-eb50-406d-b545-893614564c79/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8287e6117d458104c3f33a0e7a83f771b50c3974e23296edc32c92f0b8cae546 --- 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 17:06:52,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:06:52,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:06:52,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:06:52,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:06:52,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:06:52,761 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:06:52,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:06:52,771 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:06:52,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:06:52,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:06:52,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:06:52,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:06:52,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:06:52,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:06:52,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:06:52,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:06:52,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:06:52,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:06:52,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:06:52,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:06:52,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:06:52,815 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:06:52,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:06:52,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:06:52,822 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:06:52,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:06:52,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:06:52,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:06:52,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:06:52,828 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:06:52,829 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:06:52,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:06:52,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:06:52,835 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:06:52,835 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:06:52,836 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:06:52,836 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:06:52,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:06:52,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:06:52,839 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:06:52,840 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc93fe96-eb50-406d-b545-893614564c79/bin/ukojak-92XMlrwhuB/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2022-10-17 17:06:52,894 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:06:52,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:06:52,896 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:06:52,897 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:06:52,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:06:52,897 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:06:52,897 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 17:06:52,898 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:06:52,898 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:06:52,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:06:52,899 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 17:06:52,900 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 17:06:52,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:06:52,900 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:06:52,900 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:06:52,901 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:06:52,901 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:06:52,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:06:52,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:06:52,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:06:52,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:06:52,902 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:06:52,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:06:52,903 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_cc93fe96-eb50-406d-b545-893614564c79/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc93fe96-eb50-406d-b545-893614564c79/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8287e6117d458104c3f33a0e7a83f771b50c3974e23296edc32c92f0b8cae546 [2022-10-17 17:06:53,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:06:53,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:06:53,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:06:53,262 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:06:53,263 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:06:53,264 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc93fe96-eb50-406d-b545-893614564c79/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/forester-heap/dll-optional-2.i [2022-10-17 17:06:53,358 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc93fe96-eb50-406d-b545-893614564c79/bin/ukojak-92XMlrwhuB/data/be74ae10a/71d6ae1b9f504e2580ef2279ddaa9e1a/FLAG5f160952d [2022-10-17 17:06:53,903 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:06:53,904 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc93fe96-eb50-406d-b545-893614564c79/sv-benchmarks/c/forester-heap/dll-optional-2.i [2022-10-17 17:06:53,918 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc93fe96-eb50-406d-b545-893614564c79/bin/ukojak-92XMlrwhuB/data/be74ae10a/71d6ae1b9f504e2580ef2279ddaa9e1a/FLAG5f160952d [2022-10-17 17:06:54,188 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc93fe96-eb50-406d-b545-893614564c79/bin/ukojak-92XMlrwhuB/data/be74ae10a/71d6ae1b9f504e2580ef2279ddaa9e1a [2022-10-17 17:06:54,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:06:54,192 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:06:54,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:06:54,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:06:54,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:06:54,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:06:54" (1/1) ... [2022-10-17 17:06:54,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72631310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:54, skipping insertion in model container [2022-10-17 17:06:54,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:06:54" (1/1) ... [2022-10-17 17:06:54,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:06:54,287 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:06:54,620 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_cc93fe96-eb50-406d-b545-893614564c79/sv-benchmarks/c/forester-heap/dll-optional-2.i[22706,22719] [2022-10-17 17:06:54,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:06:54,640 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:06:54,712 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_cc93fe96-eb50-406d-b545-893614564c79/sv-benchmarks/c/forester-heap/dll-optional-2.i[22706,22719] [2022-10-17 17:06:54,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:06:54,752 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:06:54,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:54 WrapperNode [2022-10-17 17:06:54,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:06:54,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:06:54,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:06:54,755 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:06:54,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:54" (1/1) ... [2022-10-17 17:06:54,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:54" (1/1) ... [2022-10-17 17:06:54,825 INFO L138 Inliner]: procedures = 119, calls = 41, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 121 [2022-10-17 17:06:54,826 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:06:54,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:06:54,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:06:54,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:06:54,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:54" (1/1) ... [2022-10-17 17:06:54,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:54" (1/1) ... [2022-10-17 17:06:54,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:54" (1/1) ... [2022-10-17 17:06:54,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:54" (1/1) ... [2022-10-17 17:06:54,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:54" (1/1) ... [2022-10-17 17:06:54,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:54" (1/1) ... [2022-10-17 17:06:54,869 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:54" (1/1) ... [2022-10-17 17:06:54,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:54" (1/1) ... [2022-10-17 17:06:54,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:06:54,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:06:54,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:06:54,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:06:54,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:54" (1/1) ... [2022-10-17 17:06:54,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:06:54,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc93fe96-eb50-406d-b545-893614564c79/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:06:54,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc93fe96-eb50-406d-b545-893614564c79/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:06:54,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc93fe96-eb50-406d-b545-893614564c79/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:06:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:06:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:06:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:06:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:06:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:06:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:06:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:06:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:06:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:06:54,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:06:55,157 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:06:55,159 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:06:55,663 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:06:55,798 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:06:55,799 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-17 17:06:55,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:06:55 BoogieIcfgContainer [2022-10-17 17:06:55,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:06:55,816 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:06:55,816 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:06:55,827 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:06:55,827 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:06:55" (1/1) ... [2022-10-17 17:06:55,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:06:55,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:55,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 119 states and 131 transitions. [2022-10-17 17:06:55,928 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 131 transitions. [2022-10-17 17:06:55,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 17:06:55,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:55,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:56,094 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 17:06:56,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:56,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 118 states and 130 transitions. [2022-10-17 17:06:56,123 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 130 transitions. [2022-10-17 17:06:56,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 17:06:56,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:56,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:56,214 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 17:06:56,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:56,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 117 states and 129 transitions. [2022-10-17 17:06:56,291 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 129 transitions. [2022-10-17 17:06:56,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 17:06:56,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:56,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:56,373 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 17:06:56,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:56,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 116 states and 128 transitions. [2022-10-17 17:06:56,401 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 128 transitions. [2022-10-17 17:06:56,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 17:06:56,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:56,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:56,526 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 17:06:56,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:56,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 115 states and 127 transitions. [2022-10-17 17:06:56,543 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 127 transitions. [2022-10-17 17:06:56,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:06:56,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:56,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:56,576 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 17:06:56,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:56,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 114 states and 126 transitions. [2022-10-17 17:06:56,593 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 126 transitions. [2022-10-17 17:06:56,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:06:56,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:56,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:56,742 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 17:06:56,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:56,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 113 states and 125 transitions. [2022-10-17 17:06:56,850 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 125 transitions. [2022-10-17 17:06:56,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:06:56,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:56,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:56,981 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 17:06:56,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:56,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 112 states and 124 transitions. [2022-10-17 17:06:56,999 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 124 transitions. [2022-10-17 17:06:57,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:06:57,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:57,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:57,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:57,169 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 17:06:57,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:57,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 111 states and 123 transitions. [2022-10-17 17:06:57,207 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 123 transitions. [2022-10-17 17:06:57,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:06:57,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:57,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:57,252 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 17:06:57,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:57,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 110 states and 122 transitions. [2022-10-17 17:06:57,270 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 122 transitions. [2022-10-17 17:06:57,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:06:57,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:57,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:57,364 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 17:06:57,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:57,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 109 states and 121 transitions. [2022-10-17 17:06:57,387 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 121 transitions. [2022-10-17 17:06:57,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:06:57,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:57,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:57,414 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 17:06:57,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:57,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 108 states and 120 transitions. [2022-10-17 17:06:57,437 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 120 transitions. [2022-10-17 17:06:57,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:06:57,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:57,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:57,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:57,509 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 17:06:57,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:57,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 107 states and 119 transitions. [2022-10-17 17:06:57,527 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 119 transitions. [2022-10-17 17:06:57,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:06:57,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:57,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:57,563 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 17:06:57,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:57,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 106 states and 118 transitions. [2022-10-17 17:06:57,582 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 118 transitions. [2022-10-17 17:06:57,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:06:57,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:57,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:57,687 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 17:06:57,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:57,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 105 states and 117 transitions. [2022-10-17 17:06:57,818 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 117 transitions. [2022-10-17 17:06:57,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:06:57,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:57,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:57,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:57,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:57,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 104 states and 116 transitions. [2022-10-17 17:06:57,864 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 116 transitions. [2022-10-17 17:06:57,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:06:57,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:57,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:57,920 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 17:06:57,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:57,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 103 states and 115 transitions. [2022-10-17 17:06:57,940 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 115 transitions. [2022-10-17 17:06:57,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:06:57,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:57,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:57,984 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 17:06:57,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:57,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 102 states and 114 transitions. [2022-10-17 17:06:57,998 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 114 transitions. [2022-10-17 17:06:57,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:06:57,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:57,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:58,063 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 17:06:58,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:58,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 101 states and 113 transitions. [2022-10-17 17:06:58,085 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 113 transitions. [2022-10-17 17:06:58,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:06:58,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:58,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:58,211 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 17:06:58,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:58,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 100 states and 112 transitions. [2022-10-17 17:06:58,528 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 112 transitions. [2022-10-17 17:06:58,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:06:58,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:58,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:58,788 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 17:06:59,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:59,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 99 states and 111 transitions. [2022-10-17 17:06:59,416 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 111 transitions. [2022-10-17 17:06:59,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:06:59,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:59,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:59,531 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 17:06:59,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:59,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 103 states and 118 transitions. [2022-10-17 17:06:59,612 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2022-10-17 17:06:59,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:06:59,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:59,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:59,831 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 17:07:00,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:00,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 107 states and 128 transitions. [2022-10-17 17:07:00,091 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 128 transitions. [2022-10-17 17:07:00,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:07:00,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:00,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:00,338 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 17:07:01,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:01,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 109 states and 133 transitions. [2022-10-17 17:07:01,840 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 133 transitions. [2022-10-17 17:07:01,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:07:01,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:01,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:01,903 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 17:07:02,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:02,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 108 states and 131 transitions. [2022-10-17 17:07:02,105 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 131 transitions. [2022-10-17 17:07:02,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:07:02,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:02,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:02,130 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 17:07:02,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:02,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 107 states and 130 transitions. [2022-10-17 17:07:02,146 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 130 transitions. [2022-10-17 17:07:02,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:07:02,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:02,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:02,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:02,329 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 17:07:02,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:02,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 108 states and 132 transitions. [2022-10-17 17:07:02,673 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 132 transitions. [2022-10-17 17:07:02,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:07:02,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:02,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:02,749 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 17:07:02,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:02,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 113 states and 144 transitions. [2022-10-17 17:07:02,978 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 144 transitions. [2022-10-17 17:07:02,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:07:02,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:02,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:02,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:03,069 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 17:07:03,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:03,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 118 states and 158 transitions. [2022-10-17 17:07:03,354 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 158 transitions. [2022-10-17 17:07:03,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:07:03,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:03,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:03,662 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 17:07:04,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:04,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 120 states and 163 transitions. [2022-10-17 17:07:04,419 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 163 transitions. [2022-10-17 17:07:04,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:07:04,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:04,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:04,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:04,834 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 17:07:05,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:05,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 122 states and 168 transitions. [2022-10-17 17:07:05,944 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2022-10-17 17:07:05,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:07:05,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:05,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:06,189 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 17:07:07,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:07,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 127 states and 182 transitions. [2022-10-17 17:07:07,720 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 182 transitions. [2022-10-17 17:07:07,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:07:07,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:07,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:07,750 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 17:07:08,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:08,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 128 states and 184 transitions. [2022-10-17 17:07:08,118 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 184 transitions. [2022-10-17 17:07:08,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:07:08,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:08,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:08,166 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 17:07:08,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:08,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 130 states and 187 transitions. [2022-10-17 17:07:08,594 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 187 transitions. [2022-10-17 17:07:08,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:07:08,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:08,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:08,640 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 17:07:08,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:08,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 130 states and 186 transitions. [2022-10-17 17:07:08,668 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 186 transitions. [2022-10-17 17:07:08,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:07:08,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:08,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:08,706 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 17:07:10,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:10,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 129 states and 184 transitions. [2022-10-17 17:07:10,077 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 184 transitions. [2022-10-17 17:07:10,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:07:10,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:10,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:10,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:10,103 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 17:07:10,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:10,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 128 states and 183 transitions. [2022-10-17 17:07:10,120 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 183 transitions. [2022-10-17 17:07:10,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:07:10,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:10,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:10,217 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 17:07:10,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:10,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 130 states and 186 transitions. [2022-10-17 17:07:10,240 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 186 transitions. [2022-10-17 17:07:10,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:07:10,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:10,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:10,788 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 17:07:12,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:12,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 135 states and 194 transitions. [2022-10-17 17:07:12,684 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 194 transitions. [2022-10-17 17:07:12,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:07:12,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:12,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:13,314 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 17:07:14,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:14,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 137 states and 199 transitions. [2022-10-17 17:07:14,243 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 199 transitions. [2022-10-17 17:07:14,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:07:14,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:14,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:14,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:07:14,266 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:07:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:07:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:07:14,377 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:07:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:07:14,443 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 40 iterations. [2022-10-17 17:07:14,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:07:14 ImpRootNode [2022-10-17 17:07:14,475 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:07:14,476 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:07:14,476 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:07:14,476 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:07:14,477 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:06:55" (3/4) ... [2022-10-17 17:07:14,479 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 17:07:14,518 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc93fe96-eb50-406d-b545-893614564c79/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:07:14,518 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:07:14,519 INFO L158 Benchmark]: Toolchain (without parser) took 20327.09ms. Allocated memory was 83.9MB in the beginning and 201.3MB in the end (delta: 117.4MB). Free memory was 44.3MB in the beginning and 76.8MB in the end (delta: -32.5MB). Peak memory consumption was 85.2MB. Max. memory is 16.1GB. [2022-10-17 17:07:14,519 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 83.9MB. Free memory is still 62.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:07:14,520 INFO L158 Benchmark]: CACSL2BoogieTranslator took 550.17ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 44.1MB in the beginning and 74.8MB in the end (delta: -30.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 17:07:14,521 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.07ms. Allocated memory is still 107.0MB. Free memory was 74.8MB in the beginning and 72.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:07:14,522 INFO L158 Benchmark]: Boogie Preprocessor took 55.79ms. Allocated memory is still 107.0MB. Free memory was 72.6MB in the beginning and 70.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:07:14,522 INFO L158 Benchmark]: RCFGBuilder took 932.16ms. Allocated memory is still 107.0MB. Free memory was 70.5MB in the beginning and 80.3MB in the end (delta: -9.7MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2022-10-17 17:07:14,523 INFO L158 Benchmark]: CodeCheck took 18659.59ms. Allocated memory was 107.0MB in the beginning and 201.3MB in the end (delta: 94.4MB). Free memory was 79.9MB in the beginning and 78.8MB in the end (delta: 1.1MB). Peak memory consumption was 96.4MB. Max. memory is 16.1GB. [2022-10-17 17:07:14,524 INFO L158 Benchmark]: Witness Printer took 42.12ms. Allocated memory is still 201.3MB. Free memory was 78.8MB in the beginning and 76.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:07:14,527 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 119 locations, 66 error locations. Started 1 CEGAR loops. OverallTime: 18.6s, OverallIterations: 40, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2325 SdHoareTripleChecker+Valid, 13.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2011 mSDsluCounter, 2204 SdHoareTripleChecker+Invalid, 10.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1582 mSDsCounter, 2271 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7302 IncrementalHoareTripleChecker+Invalid, 9573 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2271 mSolverCounterUnsat, 622 mSDtfsCounter, 7302 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3026 GetRequests, 2773 SyntacticMatches, 43 SemanticMatches, 210 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16210 ImplicationChecksByTransitivity, 13.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 383 NumberOfCodeBlocks, 383 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 328 ConstructedInterpolants, 0 QuantifiedInterpolants, 1676 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 39 InterpolantComputations, 39 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1009]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L997] SLL* head = malloc(sizeof(SLL)); [L998] head->next = ((void*)0) VAL [head={-1:0}] [L999] head->prev = ((void*)0) [L1000] COND FALSE !(__VERIFIER_nondet_int()) [L1000] COND TRUE __VERIFIER_nondet_int() [L1000] head->data = 1 VAL [head={-1:0}] [L1000] head->opt = head VAL [head={-1:0}] [L1001] SLL* x = head; VAL [head={-1:0}, x={-1:0}] [L1003] COND FALSE !(__VERIFIER_nondet_int()) [L1006] x = head VAL [head={-1:0}, x={-1:0}] [L1007] COND TRUE x != ((void*)0) VAL [head={-1:0}, x={-1:0}] [L1009] EXPR x->data [L1009] EXPR x->data == 2 && x->opt == x VAL [head={-1:0}, x={-1:0}, x->data=1, x->data == 2 && x->opt == x=0] [L1009] COND TRUE !(x->data == 2 && x->opt == x) [L1009] reach_error() VAL [head={-1:0}, x={-1:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 83.9MB. Free memory is still 62.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 550.17ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 44.1MB in the beginning and 74.8MB in the end (delta: -30.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.07ms. Allocated memory is still 107.0MB. Free memory was 74.8MB in the beginning and 72.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.79ms. Allocated memory is still 107.0MB. Free memory was 72.6MB in the beginning and 70.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 932.16ms. Allocated memory is still 107.0MB. Free memory was 70.5MB in the beginning and 80.3MB in the end (delta: -9.7MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * CodeCheck took 18659.59ms. Allocated memory was 107.0MB in the beginning and 201.3MB in the end (delta: 94.4MB). Free memory was 79.9MB in the beginning and 78.8MB in the end (delta: 1.1MB). Peak memory consumption was 96.4MB. Max. memory is 16.1GB. * Witness Printer took 42.12ms. Allocated memory is still 201.3MB. Free memory was 78.8MB in the beginning and 76.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 17:07:14,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc93fe96-eb50-406d-b545-893614564c79/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup)