./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI --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 0209a5ecd1f90a7dc207e0462366045d25daa538d59f8499c5199765a86166a3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI --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 0209a5ecd1f90a7dc207e0462366045d25daa538d59f8499c5199765a86166a3 .............................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:20:10,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:20:10,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:20:10,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:20:10,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:20:10,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:20:10,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:20:10,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:20:10,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:20:10,753 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:20:10,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:20:10,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:20:10,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:20:10,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:20:10,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:20:10,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:20:10,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:20:10,764 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:20:10,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:20:10,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:20:10,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:20:10,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:20:10,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:20:10,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:20:10,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:20:10,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:20:10,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:20:10,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:20:10,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:20:10,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:20:10,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:20:10,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:20:10,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:20:10,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:20:10,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:20:10,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:20:10,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:20:10,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:20:10,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:20:10,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:20:10,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:20:10,818 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-10-29 04:20:10,863 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:20:10,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:20:10,866 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:20:10,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:20:10,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:20:10,867 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:20:10,867 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 04:20:10,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:20:10,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:20:10,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:20:10,869 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 04:20:10,875 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 04:20:10,876 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 04:20:10,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:20:10,876 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:20:10,876 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:20:10,876 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:20:10,877 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:20:10,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:20:10,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:20:10,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:20:10,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:20:10,878 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:20:10,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:20:10,878 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_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0209a5ecd1f90a7dc207e0462366045d25daa538d59f8499c5199765a86166a3 [2021-10-29 04:20:11,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:20:11,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:20:11,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:20:11,191 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:20:11,192 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:20:11,193 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i [2021-10-29 04:20:11,275 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI/data/8c41ae8e9/98364145761a420e9589232c8de48a01/FLAGd79af72a2 [2021-10-29 04:20:11,935 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:20:11,936 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i [2021-10-29 04:20:11,958 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI/data/8c41ae8e9/98364145761a420e9589232c8de48a01/FLAGd79af72a2 [2021-10-29 04:20:12,191 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI/data/8c41ae8e9/98364145761a420e9589232c8de48a01 [2021-10-29 04:20:12,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:20:12,194 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:20:12,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:20:12,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:20:12,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:20:12,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:20:12" (1/1) ... [2021-10-29 04:20:12,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@747e91bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:12, skipping insertion in model container [2021-10-29 04:20:12,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:20:12" (1/1) ... [2021-10-29 04:20:12,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:20:12,265 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:20:12,655 WARN L228 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_5b0f82ae-8be7-4b89-982a-a9994c364778/sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i[22575,22588] [2021-10-29 04:20:12,660 WARN L228 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_5b0f82ae-8be7-4b89-982a-a9994c364778/sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i[22647,22660] [2021-10-29 04:20:12,662 WARN L228 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_5b0f82ae-8be7-4b89-982a-a9994c364778/sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i[22815,22828] [2021-10-29 04:20:12,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:20:12,686 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:20:12,747 WARN L228 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_5b0f82ae-8be7-4b89-982a-a9994c364778/sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i[22575,22588] [2021-10-29 04:20:12,748 WARN L228 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_5b0f82ae-8be7-4b89-982a-a9994c364778/sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i[22647,22660] [2021-10-29 04:20:12,750 WARN L228 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_5b0f82ae-8be7-4b89-982a-a9994c364778/sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i[22815,22828] [2021-10-29 04:20:12,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:20:12,780 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:20:12,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:12 WrapperNode [2021-10-29 04:20:12,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:20:12,782 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:20:12,782 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:20:12,783 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:20:12,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:12" (1/1) ... [2021-10-29 04:20:12,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:12" (1/1) ... [2021-10-29 04:20:12,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:20:12,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:20:12,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:20:12,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:20:12,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:12" (1/1) ... [2021-10-29 04:20:12,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:12" (1/1) ... [2021-10-29 04:20:12,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:12" (1/1) ... [2021-10-29 04:20:12,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:12" (1/1) ... [2021-10-29 04:20:12,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:12" (1/1) ... [2021-10-29 04:20:12,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:12" (1/1) ... [2021-10-29 04:20:12,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:12" (1/1) ... [2021-10-29 04:20:12,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:20:12,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:20:12,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:20:12,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:20:12,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:12" (1/1) ... [2021-10-29 04:20:12,885 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:20:12,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:20:12,909 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:20:12,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:20:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 04:20:12,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 04:20:12,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 04:20:12,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-29 04:20:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:20:12,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-29 04:20:12,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 04:20:12,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:20:12,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:20:12,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:20:13,715 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:20:13,737 INFO L299 CfgBuilder]: Removed 13 assume(true) statements. [2021-10-29 04:20:13,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:20:13 BoogieIcfgContainer [2021-10-29 04:20:13,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:20:13,741 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:20:13,741 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:20:13,751 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:20:13,752 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:20:13" (1/1) ... [2021-10-29 04:20:13,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:20:13,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:13,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 120 states and 135 transitions. [2021-10-29 04:20:13,814 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 135 transitions. [2021-10-29 04:20:13,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-29 04:20:13,816 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:13,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:13,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:14,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:14,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 119 states and 134 transitions. [2021-10-29 04:20:14,019 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 134 transitions. [2021-10-29 04:20:14,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-29 04:20:14,020 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:14,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:14,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:14,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:14,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 118 states and 133 transitions. [2021-10-29 04:20:14,203 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 133 transitions. [2021-10-29 04:20:14,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 04:20:14,204 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:14,204 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:14,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:14,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:14,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:14,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 117 states and 132 transitions. [2021-10-29 04:20:14,276 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 132 transitions. [2021-10-29 04:20:14,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 04:20:14,277 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:14,278 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:14,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:14,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:14,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 116 states and 131 transitions. [2021-10-29 04:20:14,358 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 131 transitions. [2021-10-29 04:20:14,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 04:20:14,359 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:14,360 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:14,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:14,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:14,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 115 states and 130 transitions. [2021-10-29 04:20:14,430 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 130 transitions. [2021-10-29 04:20:14,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 04:20:14,430 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:14,431 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:14,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:14,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:14,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:14,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 114 states and 129 transitions. [2021-10-29 04:20:14,520 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 129 transitions. [2021-10-29 04:20:14,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 04:20:14,520 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:14,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:14,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:14,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:14,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 113 states and 127 transitions. [2021-10-29 04:20:14,662 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 127 transitions. [2021-10-29 04:20:14,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 04:20:14,663 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:14,664 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:14,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:14,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:14,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 116 states and 133 transitions. [2021-10-29 04:20:14,904 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 133 transitions. [2021-10-29 04:20:14,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 04:20:14,909 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:14,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:14,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:14,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:14,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 115 states and 132 transitions. [2021-10-29 04:20:14,961 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 132 transitions. [2021-10-29 04:20:14,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 04:20:14,962 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:14,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:15,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:15,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:15,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 116 states and 134 transitions. [2021-10-29 04:20:15,225 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 134 transitions. [2021-10-29 04:20:15,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:20:15,225 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:15,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:15,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:15,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:15,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 116 states and 130 transitions. [2021-10-29 04:20:15,246 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 130 transitions. [2021-10-29 04:20:15,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:20:15,246 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:15,247 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:15,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:15,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:15,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 120 states and 137 transitions. [2021-10-29 04:20:15,624 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 137 transitions. [2021-10-29 04:20:15,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:20:15,625 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:15,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:15,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:16,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:16,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 122 states and 142 transitions. [2021-10-29 04:20:16,257 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 142 transitions. [2021-10-29 04:20:16,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:20:16,257 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:16,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:16,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:17,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:17,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 124 states and 145 transitions. [2021-10-29 04:20:17,195 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 145 transitions. [2021-10-29 04:20:17,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 04:20:17,196 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:17,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:17,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:17,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:17,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 130 states and 156 transitions. [2021-10-29 04:20:17,767 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 156 transitions. [2021-10-29 04:20:17,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 04:20:17,768 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:17,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:17,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:17,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:18,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:18,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 136 states and 166 transitions. [2021-10-29 04:20:18,328 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 166 transitions. [2021-10-29 04:20:18,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 04:20:18,328 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:18,329 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:18,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:18,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:18,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 137 states and 168 transitions. [2021-10-29 04:20:18,532 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 168 transitions. [2021-10-29 04:20:18,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 04:20:18,533 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:18,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:18,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:18,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:18,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 139 states and 171 transitions. [2021-10-29 04:20:18,804 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 171 transitions. [2021-10-29 04:20:18,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 04:20:18,805 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:18,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:19,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:20,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:20,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 141 states and 175 transitions. [2021-10-29 04:20:20,287 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 175 transitions. [2021-10-29 04:20:20,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 04:20:20,287 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:20,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:20,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:21,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:21,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 143 states and 179 transitions. [2021-10-29 04:20:21,566 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 179 transitions. [2021-10-29 04:20:21,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 04:20:21,567 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:21,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:21,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:23,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:23,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 150 states and 189 transitions. [2021-10-29 04:20:23,129 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 189 transitions. [2021-10-29 04:20:23,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:20:23,130 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:23,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:23,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:23,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:23,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 149 states and 188 transitions. [2021-10-29 04:20:23,161 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 188 transitions. [2021-10-29 04:20:23,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:20:23,162 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:23,162 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:23,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:23,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:23,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 151 states and 191 transitions. [2021-10-29 04:20:23,238 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 191 transitions. [2021-10-29 04:20:23,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:20:23,239 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:23,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:23,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:23,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:23,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:23,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 150 states and 190 transitions. [2021-10-29 04:20:23,272 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 190 transitions. [2021-10-29 04:20:23,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:20:23,273 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:23,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:23,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:23,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:23,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 151 states and 190 transitions. [2021-10-29 04:20:23,372 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 190 transitions. [2021-10-29 04:20:23,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 04:20:23,373 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:23,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:23,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:23,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:23,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 155 states and 198 transitions. [2021-10-29 04:20:23,817 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 198 transitions. [2021-10-29 04:20:23,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 04:20:23,818 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:23,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:23,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:24,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:24,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 157 states and 201 transitions. [2021-10-29 04:20:24,286 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 201 transitions. [2021-10-29 04:20:24,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 04:20:24,286 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:24,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:24,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:24,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:24,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:24,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 156 states and 200 transitions. [2021-10-29 04:20:24,324 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 200 transitions. [2021-10-29 04:20:24,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 04:20:24,324 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:24,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:24,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:24,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:24,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:24,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 157 states and 202 transitions. [2021-10-29 04:20:24,968 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 202 transitions. [2021-10-29 04:20:24,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 04:20:24,969 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:24,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:24,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:25,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:25,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 160 states and 206 transitions. [2021-10-29 04:20:25,726 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 206 transitions. [2021-10-29 04:20:25,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 04:20:25,726 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:25,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:25,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:25,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:25,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 159 states and 205 transitions. [2021-10-29 04:20:25,759 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 205 transitions. [2021-10-29 04:20:25,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 04:20:25,760 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:25,760 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:25,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:26,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:26,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 158 states and 204 transitions. [2021-10-29 04:20:26,316 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 204 transitions. [2021-10-29 04:20:26,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 04:20:26,316 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:26,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:26,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:27,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:27,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 161 states and 209 transitions. [2021-10-29 04:20:27,714 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 209 transitions. [2021-10-29 04:20:27,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 04:20:27,715 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:27,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:27,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:27,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:28,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:28,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 162 states and 210 transitions. [2021-10-29 04:20:28,051 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 210 transitions. [2021-10-29 04:20:28,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 04:20:28,051 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:28,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:28,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:28,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:28,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 164 states and 214 transitions. [2021-10-29 04:20:28,541 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 214 transitions. [2021-10-29 04:20:28,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 04:20:28,541 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:28,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:28,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:29,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:29,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 166 states and 217 transitions. [2021-10-29 04:20:29,584 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 217 transitions. [2021-10-29 04:20:29,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 04:20:29,585 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:29,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:29,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:31,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:31,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 168 states and 220 transitions. [2021-10-29 04:20:31,258 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 220 transitions. [2021-10-29 04:20:31,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:20:31,259 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:31,259 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:31,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:31,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:31,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 169 states and 222 transitions. [2021-10-29 04:20:31,612 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 222 transitions. [2021-10-29 04:20:31,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:20:31,612 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:31,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:31,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:20:32,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:32,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 170 states and 223 transitions. [2021-10-29 04:20:32,024 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 223 transitions. [2021-10-29 04:20:32,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 04:20:32,024 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:32,024 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:20:32,032 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:20:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:20:32,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:20:32,085 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:20:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:20:32,144 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 40 iterations. [2021-10-29 04:20:32,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:20:32 ImpRootNode [2021-10-29 04:20:32,170 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:20:32,170 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:20:32,171 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:20:32,171 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:20:32,171 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:20:13" (3/4) ... [2021-10-29 04:20:32,174 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-29 04:20:32,174 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:20:32,176 INFO L168 Benchmark]: Toolchain (without parser) took 19980.29 ms. Allocated memory was 119.5 MB in the beginning and 243.3 MB in the end (delta: 123.7 MB). Free memory was 87.1 MB in the beginning and 85.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 125.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:20:32,176 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 119.5 MB. Free memory is still 75.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:20:32,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 585.26 ms. Allocated memory is still 119.5 MB. Free memory was 86.7 MB in the beginning and 85.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:20:32,177 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.42 ms. Allocated memory is still 119.5 MB. Free memory was 85.7 MB in the beginning and 83.6 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:20:32,178 INFO L168 Benchmark]: Boogie Preprocessor took 33.41 ms. Allocated memory is still 119.5 MB. Free memory was 83.6 MB in the beginning and 81.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:20:32,179 INFO L168 Benchmark]: RCFGBuilder took 877.36 ms. Allocated memory was 119.5 MB in the beginning and 157.3 MB in the end (delta: 37.7 MB). Free memory was 81.9 MB in the beginning and 129.2 MB in the end (delta: -47.3 MB). Peak memory consumption was 35.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:20:32,180 INFO L168 Benchmark]: CodeCheck took 18428.82 ms. Allocated memory was 157.3 MB in the beginning and 243.3 MB in the end (delta: 86.0 MB). Free memory was 129.2 MB in the beginning and 86.2 MB in the end (delta: 43.0 MB). Peak memory consumption was 128.7 MB. Max. memory is 16.1 GB. [2021-10-29 04:20:32,180 INFO L168 Benchmark]: Witness Printer took 3.82 ms. Allocated memory is still 243.3 MB. Free memory was 86.2 MB in the beginning and 85.2 MB in the end (delta: 966.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:20:32,184 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, 120 locations, 65 error locations. Started 1 CEGAR loops. OverallTime: 18.3s, OverallIterations: 40, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 337419648 SDtfs, -48815098 SDslu, -862641664 SDs, 0 SdLazy, 1336831318 SolverSat, -183161744 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3249 GetRequests, 2955 SyntacticMatches, 36 SemanticMatches, 258 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27144 ImplicationChecksByTransitivity, 15.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 443 NumberOfCodeBlocks, 443 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 386 ConstructedInterpolants, 0 QuantifiedInterpolants, 1705 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 - UnprovableResult [Line: 1051]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1051. Possible FailurePath: [L1005] SLL* list = malloc(sizeof(SLL)); [L1006] list->next = ((void*)0) [L1007] list->prev = ((void*)0) [L1008] list->colour = BLACK [L1010] SLL* end = list; [L1013] COND FALSE !(__VERIFIER_nondet_int()) [L1036] end = ((void*)0) [L1037] end = list [L1040] COND FALSE !(!(((void*)0) != end)) [L1041] EXPR end->colour [L1041] COND FALSE !(!(BLACK == end->colour)) [L1043] COND TRUE ((void*)0) != end [L1045] EXPR end->colour [L1045] COND FALSE !(RED == end->colour) [L1051] EXPR end->next [L1051] COND TRUE !(end->next) [L1051] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 119.5 MB. Free memory is still 75.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 585.26 ms. Allocated memory is still 119.5 MB. Free memory was 86.7 MB in the beginning and 85.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.42 ms. Allocated memory is still 119.5 MB. Free memory was 85.7 MB in the beginning and 83.6 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.41 ms. Allocated memory is still 119.5 MB. Free memory was 83.6 MB in the beginning and 81.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 877.36 ms. Allocated memory was 119.5 MB in the beginning and 157.3 MB in the end (delta: 37.7 MB). Free memory was 81.9 MB in the beginning and 129.2 MB in the end (delta: -47.3 MB). Peak memory consumption was 35.4 MB. Max. memory is 16.1 GB. * CodeCheck took 18428.82 ms. Allocated memory was 157.3 MB in the beginning and 243.3 MB in the end (delta: 86.0 MB). Free memory was 129.2 MB in the beginning and 86.2 MB in the end (delta: 43.0 MB). Peak memory consumption was 128.7 MB. Max. memory is 16.1 GB. * Witness Printer took 3.82 ms. Allocated memory is still 243.3 MB. Free memory was 86.2 MB in the beginning and 85.2 MB in the end (delta: 966.5 kB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-29 04:20:32,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:20:34,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:20:34,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:20:34,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:20:34,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:20:34,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:20:34,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:20:34,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:20:34,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:20:34,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:20:34,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:20:34,737 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:20:34,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:20:34,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:20:34,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:20:34,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:20:34,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:20:34,750 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:20:34,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:20:34,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:20:34,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:20:34,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:20:34,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:20:34,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:20:34,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:20:34,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:20:34,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:20:34,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:20:34,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:20:34,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:20:34,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:20:34,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:20:34,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:20:34,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:20:34,786 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:20:34,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:20:34,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:20:34,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:20:34,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:20:34,790 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:20:34,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:20:34,791 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-10-29 04:20:34,834 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:20:34,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:20:34,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:20:34,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:20:34,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:20:34,838 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:20:34,838 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 04:20:34,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:20:34,839 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:20:34,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:20:34,840 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 04:20:34,840 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 04:20:34,841 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 04:20:34,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:20:34,841 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:20:34,841 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 04:20:34,841 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 04:20:34,842 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:20:34,842 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:20:34,842 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:20:34,842 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:20:34,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:20:34,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:20:34,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:20:34,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:20:34,844 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 04:20:34,844 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 04:20:34,844 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-10-29 04:20:34,844 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:20:34,844 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0209a5ecd1f90a7dc207e0462366045d25daa538d59f8499c5199765a86166a3 [2021-10-29 04:20:35,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:20:35,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:20:35,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:20:35,280 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:20:35,281 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:20:35,282 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i [2021-10-29 04:20:35,361 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI/data/28da004ae/4091a37a9e2945b5bf28ceeda5786b8b/FLAG04fb38c82 [2021-10-29 04:20:36,007 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:20:36,008 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i [2021-10-29 04:20:36,027 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI/data/28da004ae/4091a37a9e2945b5bf28ceeda5786b8b/FLAG04fb38c82 [2021-10-29 04:20:36,393 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI/data/28da004ae/4091a37a9e2945b5bf28ceeda5786b8b [2021-10-29 04:20:36,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:20:36,396 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:20:36,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:20:36,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:20:36,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:20:36,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:20:36" (1/1) ... [2021-10-29 04:20:36,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d8b98e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:36, skipping insertion in model container [2021-10-29 04:20:36,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:20:36" (1/1) ... [2021-10-29 04:20:36,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:20:36,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:20:36,821 WARN L228 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_5b0f82ae-8be7-4b89-982a-a9994c364778/sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i[22575,22588] [2021-10-29 04:20:36,830 WARN L228 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_5b0f82ae-8be7-4b89-982a-a9994c364778/sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i[22647,22660] [2021-10-29 04:20:36,833 WARN L228 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_5b0f82ae-8be7-4b89-982a-a9994c364778/sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i[22815,22828] [2021-10-29 04:20:36,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:20:36,867 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:20:36,935 WARN L228 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_5b0f82ae-8be7-4b89-982a-a9994c364778/sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i[22575,22588] [2021-10-29 04:20:36,937 WARN L228 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_5b0f82ae-8be7-4b89-982a-a9994c364778/sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i[22647,22660] [2021-10-29 04:20:36,940 WARN L228 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_5b0f82ae-8be7-4b89-982a-a9994c364778/sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i[22815,22828] [2021-10-29 04:20:36,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:20:36,984 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:20:36,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:36 WrapperNode [2021-10-29 04:20:36,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:20:36,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:20:36,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:20:36,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:20:36,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:36" (1/1) ... [2021-10-29 04:20:37,028 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:36" (1/1) ... [2021-10-29 04:20:37,072 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:20:37,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:20:37,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:20:37,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:20:37,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:36" (1/1) ... [2021-10-29 04:20:37,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:36" (1/1) ... [2021-10-29 04:20:37,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:36" (1/1) ... [2021-10-29 04:20:37,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:36" (1/1) ... [2021-10-29 04:20:37,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:36" (1/1) ... [2021-10-29 04:20:37,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:36" (1/1) ... [2021-10-29 04:20:37,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:36" (1/1) ... [2021-10-29 04:20:37,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:20:37,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:20:37,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:20:37,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:20:37,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:36" (1/1) ... [2021-10-29 04:20:37,132 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:20:37,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:20:37,157 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:20:37,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:20:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-29 04:20:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 04:20:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-29 04:20:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:20:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-29 04:20:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 04:20:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-29 04:20:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 04:20:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:20:37,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:20:38,285 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:20:38,287 INFO L299 CfgBuilder]: Removed 13 assume(true) statements. [2021-10-29 04:20:38,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:20:38 BoogieIcfgContainer [2021-10-29 04:20:38,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:20:38,291 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:20:38,291 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:20:38,300 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:20:38,300 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:20:38" (1/1) ... [2021-10-29 04:20:38,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:20:38,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:38,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 118 states and 132 transitions. [2021-10-29 04:20:38,354 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 132 transitions. [2021-10-29 04:20:38,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-29 04:20:38,356 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:38,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:38,402 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:444) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-29 04:20:38,410 INFO L168 Benchmark]: Toolchain (without parser) took 2011.16 ms. Allocated memory was 71.3 MB in the beginning and 90.2 MB in the end (delta: 18.9 MB). Free memory was 51.8 MB in the beginning and 45.3 MB in the end (delta: 6.5 MB). Peak memory consumption was 26.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:20:38,412 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 71.3 MB. Free memory is still 53.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:20:38,413 INFO L168 Benchmark]: CACSL2BoogieTranslator took 588.30 ms. Allocated memory is still 71.3 MB. Free memory was 51.6 MB in the beginning and 46.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:20:38,414 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.45 ms. Allocated memory is still 71.3 MB. Free memory was 46.2 MB in the beginning and 43.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:20:38,415 INFO L168 Benchmark]: Boogie Preprocessor took 50.84 ms. Allocated memory is still 71.3 MB. Free memory was 43.9 MB in the beginning and 42.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:20:38,416 INFO L168 Benchmark]: RCFGBuilder took 1165.56 ms. Allocated memory was 71.3 MB in the beginning and 90.2 MB in the end (delta: 18.9 MB). Free memory was 42.1 MB in the beginning and 50.2 MB in the end (delta: -8.2 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. [2021-10-29 04:20:38,418 INFO L168 Benchmark]: CodeCheck took 115.61 ms. Allocated memory is still 90.2 MB. Free memory was 50.2 MB in the beginning and 45.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 04:20:38,428 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 71.3 MB. Free memory is still 53.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 588.30 ms. Allocated memory is still 71.3 MB. Free memory was 51.6 MB in the beginning and 46.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.45 ms. Allocated memory is still 71.3 MB. Free memory was 46.2 MB in the beginning and 43.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.84 ms. Allocated memory is still 71.3 MB. Free memory was 43.9 MB in the beginning and 42.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1165.56 ms. Allocated memory was 71.3 MB in the beginning and 90.2 MB in the end (delta: 18.9 MB). Free memory was 42.1 MB in the beginning and 50.2 MB in the end (delta: -8.2 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. * CodeCheck took 115.61 ms. Allocated memory is still 90.2 MB. Free memory was 50.2 MB in the beginning and 45.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-29 04:20:38,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b0f82ae-8be7-4b89-982a-a9994c364778/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...