./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2n_insert_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdc410-e436-43ad-86a5-10e98975788a/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdc410-e436-43ad-86a5-10e98975788a/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdc410-e436-43ad-86a5-10e98975788a/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdc410-e436-43ad-86a5-10e98975788a/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2n_insert_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdc410-e436-43ad-86a5-10e98975788a/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdc410-e436-43ad-86a5-10e98975788a/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 97351642d4f3bf3f6d868e0a3719427b4c33bd5e0f87a93a325784728b912f03 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:57:39,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:57:39,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:57:39,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:57:39,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:57:39,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:57:39,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:57:39,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:57:39,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:57:39,722 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:57:39,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:57:39,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:57:39,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:57:39,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:57:39,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:57:39,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:57:39,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:57:39,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:57:39,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:57:39,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:57:39,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:57:39,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:57:39,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:57:39,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:57:39,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:57:39,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:57:39,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:57:39,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:57:39,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:57:39,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:57:39,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:57:39,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:57:39,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:57:39,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:57:39,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:57:39,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:57:39,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:57:39,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:57:39,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:57:39,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:57:39,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:57:39,767 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdc410-e436-43ad-86a5-10e98975788a/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:57:39,830 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:57:39,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:57:39,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:57:39,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:57:39,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:57:39,833 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:57:39,834 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:57:39,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:57:39,834 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:57:39,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:57:39,835 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:57:39,835 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:57:39,835 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:57:39,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:57:39,836 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:57:39,836 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:57:39,836 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:57:39,837 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:57:39,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:57:39,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:57:39,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:57:39,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:57:39,838 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:57:39,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:57:39,839 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_d9cdc410-e436-43ad-86a5-10e98975788a/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdc410-e436-43ad-86a5-10e98975788a/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97351642d4f3bf3f6d868e0a3719427b4c33bd5e0f87a93a325784728b912f03 [2022-10-17 16:57:40,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:57:40,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:57:40,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:57:40,151 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:57:40,152 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:57:40,153 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdc410-e436-43ad-86a5-10e98975788a/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-simple/dll2n_insert_unequal.i [2022-10-17 16:57:40,219 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdc410-e436-43ad-86a5-10e98975788a/bin/ukojak-92XMlrwhuB/data/2c188f6ab/dcd9027e6bc54f8d9fbd0f87fae06a2c/FLAG7908d6714 [2022-10-17 16:57:40,888 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:57:40,889 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdc410-e436-43ad-86a5-10e98975788a/sv-benchmarks/c/list-simple/dll2n_insert_unequal.i [2022-10-17 16:57:40,903 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdc410-e436-43ad-86a5-10e98975788a/bin/ukojak-92XMlrwhuB/data/2c188f6ab/dcd9027e6bc54f8d9fbd0f87fae06a2c/FLAG7908d6714 [2022-10-17 16:57:41,156 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdc410-e436-43ad-86a5-10e98975788a/bin/ukojak-92XMlrwhuB/data/2c188f6ab/dcd9027e6bc54f8d9fbd0f87fae06a2c [2022-10-17 16:57:41,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:57:41,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:57:41,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:57:41,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:57:41,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:57:41,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:57:41" (1/1) ... [2022-10-17 16:57:41,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@290a8e3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:41, skipping insertion in model container [2022-10-17 16:57:41,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:57:41" (1/1) ... [2022-10-17 16:57:41,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:57:41,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:57:41,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdc410-e436-43ad-86a5-10e98975788a/sv-benchmarks/c/list-simple/dll2n_insert_unequal.i[24989,25002] [2022-10-17 16:57:41,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:57:41,785 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:57:41,862 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdc410-e436-43ad-86a5-10e98975788a/sv-benchmarks/c/list-simple/dll2n_insert_unequal.i[24989,25002] [2022-10-17 16:57:41,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:57:41,906 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:57:41,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:41 WrapperNode [2022-10-17 16:57:41,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:57:41,908 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:57:41,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:57:41,909 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:57:41,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:41" (1/1) ... [2022-10-17 16:57:41,955 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:41" (1/1) ... [2022-10-17 16:57:42,001 INFO L138 Inliner]: procedures = 127, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 174 [2022-10-17 16:57:42,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:57:42,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:57:42,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:57:42,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:57:42,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:41" (1/1) ... [2022-10-17 16:57:42,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:41" (1/1) ... [2022-10-17 16:57:42,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:41" (1/1) ... [2022-10-17 16:57:42,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:41" (1/1) ... [2022-10-17 16:57:42,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:41" (1/1) ... [2022-10-17 16:57:42,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:41" (1/1) ... [2022-10-17 16:57:42,039 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:41" (1/1) ... [2022-10-17 16:57:42,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:41" (1/1) ... [2022-10-17 16:57:42,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:57:42,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:57:42,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:57:42,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:57:42,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:41" (1/1) ... [2022-10-17 16:57:42,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:57:42,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdc410-e436-43ad-86a5-10e98975788a/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:57:42,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdc410-e436-43ad-86a5-10e98975788a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:57:42,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdc410-e436-43ad-86a5-10e98975788a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:57:42,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:57:42,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:57:42,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:57:42,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:57:42,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:57:42,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:57:42,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:57:42,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:57:42,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:57:42,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:57:42,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:57:42,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:57:42,335 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:57:42,338 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:57:43,010 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:57:43,078 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:57:43,087 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-17 16:57:43,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:57:43 BoogieIcfgContainer [2022-10-17 16:57:43,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:57:43,094 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:57:43,094 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:57:43,107 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:57:43,107 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:57:43" (1/1) ... [2022-10-17 16:57:43,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:57:43,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:43,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 115 states and 129 transitions. [2022-10-17 16:57:43,184 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 129 transitions. [2022-10-17 16:57:43,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:57:43,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:43,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:43,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:43,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:43,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 116 states and 131 transitions. [2022-10-17 16:57:43,553 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 131 transitions. [2022-10-17 16:57:43,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:57:43,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:43,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:43,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:43,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:43,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 115 states and 130 transitions. [2022-10-17 16:57:43,666 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 130 transitions. [2022-10-17 16:57:43,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:57:43,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:43,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:43,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:43,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:43,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 114 states and 129 transitions. [2022-10-17 16:57:43,878 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 129 transitions. [2022-10-17 16:57:43,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:57:43,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:43,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:43,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:43,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:43,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 113 states and 128 transitions. [2022-10-17 16:57:43,942 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 128 transitions. [2022-10-17 16:57:43,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:57:43,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:43,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:44,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:44,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:44,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 112 states and 127 transitions. [2022-10-17 16:57:44,310 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 127 transitions. [2022-10-17 16:57:44,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:57:44,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:44,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:44,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:44,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:44,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:44,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 111 states and 126 transitions. [2022-10-17 16:57:44,371 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 126 transitions. [2022-10-17 16:57:44,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:57:44,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:44,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:44,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:44,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:44,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:44,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 110 states and 125 transitions. [2022-10-17 16:57:44,491 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 125 transitions. [2022-10-17 16:57:44,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:57:44,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:44,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:44,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:44,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:45,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:45,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 116 states and 133 transitions. [2022-10-17 16:57:45,076 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 133 transitions. [2022-10-17 16:57:45,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:57:45,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:45,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:45,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:57:45,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:45,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 115 states and 132 transitions. [2022-10-17 16:57:45,300 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 132 transitions. [2022-10-17 16:57:45,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:57:45,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:45,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:45,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:46,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:46,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 122 states and 141 transitions. [2022-10-17 16:57:46,036 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 141 transitions. [2022-10-17 16:57:46,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:57:46,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:46,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:46,341 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:47,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:47,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 130 states and 155 transitions. [2022-10-17 16:57:47,477 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 155 transitions. [2022-10-17 16:57:47,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:57:47,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:47,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:47,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:47,816 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:49,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:49,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 138 states and 172 transitions. [2022-10-17 16:57:49,321 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 172 transitions. [2022-10-17 16:57:49,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:57:49,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:49,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:49,459 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:50,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:50,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 140 states and 175 transitions. [2022-10-17 16:57:50,374 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 175 transitions. [2022-10-17 16:57:50,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:57:50,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:50,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:50,556 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:57:50,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:50,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 139 states and 174 transitions. [2022-10-17 16:57:50,832 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 174 transitions. [2022-10-17 16:57:50,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:57:50,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:50,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:50,883 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:57:50,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:50,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 138 states and 173 transitions. [2022-10-17 16:57:50,903 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 173 transitions. [2022-10-17 16:57:50,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:57:50,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:50,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:51,022 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:57:51,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:51,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 137 states and 172 transitions. [2022-10-17 16:57:51,044 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 172 transitions. [2022-10-17 16:57:51,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:57:51,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:51,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:51,115 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:57:51,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:51,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 136 states and 171 transitions. [2022-10-17 16:57:51,137 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 171 transitions. [2022-10-17 16:57:51,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:57:51,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:51,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:51,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:51,409 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:57:51,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:51,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 135 states and 170 transitions. [2022-10-17 16:57:51,783 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 170 transitions. [2022-10-17 16:57:51,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:57:51,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:51,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:52,546 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:57:56,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:56,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 156 states and 217 transitions. [2022-10-17 16:57:56,887 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 217 transitions. [2022-10-17 16:57:56,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:57:56,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:56,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:56,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:58,447 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:04,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:04,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 177 states and 268 transitions. [2022-10-17 16:58:04,450 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 268 transitions. [2022-10-17 16:58:04,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:58:04,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:04,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:04,774 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:08,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:08,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 191 states and 293 transitions. [2022-10-17 16:58:08,487 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 293 transitions. [2022-10-17 16:58:08,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:58:08,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:08,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:08,604 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:09,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:09,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 107 states and 119 transitions. [2022-10-17 16:58:09,091 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 119 transitions. [2022-10-17 16:58:09,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:58:09,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:09,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:10,209 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.