./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334fd6c1-d214-4c1c-a5e0-450581f3df77/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334fd6c1-d214-4c1c-a5e0-450581f3df77/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_334fd6c1-d214-4c1c-a5e0-450581f3df77/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334fd6c1-d214-4c1c-a5e0-450581f3df77/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334fd6c1-d214-4c1c-a5e0-450581f3df77/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_334fd6c1-d214-4c1c-a5e0-450581f3df77/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 eb1b14e8511764ce20ab6a88d1bf2bef8398fca052e797a3c06b53051dc2f2a5 --- 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 16:50:21,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:50:21,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:50:21,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:50:21,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:50:21,898 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:50:21,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:50:21,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:50:21,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:50:21,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:50:21,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:50:21,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:50:21,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:50:21,921 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:50:21,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:50:21,925 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:50:21,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:50:21,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:50:21,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:50:21,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:50:21,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:50:21,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:50:21,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:50:21,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:50:21,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:50:21,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:50:21,960 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:50:21,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:50:21,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:50:21,964 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:50:21,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:50:21,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:50:21,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:50:21,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:50:21,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:50:21,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:50:21,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:50:21,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:50:21,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:50:21,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:50:21,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:50:21,975 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334fd6c1-d214-4c1c-a5e0-450581f3df77/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:50:22,015 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:50:22,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:50:22,017 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:50:22,018 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:50:22,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:50:22,018 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:50:22,018 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:50:22,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:50:22,019 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:50:22,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:50:22,020 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:50:22,020 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:50:22,020 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:50:22,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:50:22,021 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:50:22,021 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:50:22,021 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:50:22,021 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:50:22,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:50:22,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:22,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:50:22,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:50:22,022 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:50:22,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:50:22,022 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_334fd6c1-d214-4c1c-a5e0-450581f3df77/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334fd6c1-d214-4c1c-a5e0-450581f3df77/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb1b14e8511764ce20ab6a88d1bf2bef8398fca052e797a3c06b53051dc2f2a5 [2022-10-17 16:50:22,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:50:22,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:50:22,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:50:22,380 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:50:22,381 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:50:22,382 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334fd6c1-d214-4c1c-a5e0-450581f3df77/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i [2022-10-17 16:50:22,467 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334fd6c1-d214-4c1c-a5e0-450581f3df77/bin/ukojak-92XMlrwhuB/data/d20a7110c/698d4d85b8ac4b40b57a1b02f098bce6/FLAGda844f5a0 [2022-10-17 16:50:22,980 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:50:22,981 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334fd6c1-d214-4c1c-a5e0-450581f3df77/sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i [2022-10-17 16:50:23,001 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334fd6c1-d214-4c1c-a5e0-450581f3df77/bin/ukojak-92XMlrwhuB/data/d20a7110c/698d4d85b8ac4b40b57a1b02f098bce6/FLAGda844f5a0 [2022-10-17 16:50:23,278 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334fd6c1-d214-4c1c-a5e0-450581f3df77/bin/ukojak-92XMlrwhuB/data/d20a7110c/698d4d85b8ac4b40b57a1b02f098bce6 [2022-10-17 16:50:23,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:50:23,282 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:50:23,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:23,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:50:23,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:50:23,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:23" (1/1) ... [2022-10-17 16:50:23,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ebcac52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:23, skipping insertion in model container [2022-10-17 16:50:23,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:23" (1/1) ... [2022-10-17 16:50:23,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:50:23,336 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:50:23,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:23,696 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:50:23,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:23,787 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:50:23,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:23 WrapperNode [2022-10-17 16:50:23,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:23,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:23,789 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:50:23,789 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:50:23,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:23" (1/1) ... [2022-10-17 16:50:23,828 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:23" (1/1) ... [2022-10-17 16:50:23,854 INFO L138 Inliner]: procedures = 116, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2022-10-17 16:50:23,854 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:23,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:50:23,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:50:23,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:50:23,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:23" (1/1) ... [2022-10-17 16:50:23,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:23" (1/1) ... [2022-10-17 16:50:23,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:23" (1/1) ... [2022-10-17 16:50:23,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:23" (1/1) ... [2022-10-17 16:50:23,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:23" (1/1) ... [2022-10-17 16:50:23,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:23" (1/1) ... [2022-10-17 16:50:23,885 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:23" (1/1) ... [2022-10-17 16:50:23,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:23" (1/1) ... [2022-10-17 16:50:23,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:50:23,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:50:23,891 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:50:23,891 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:50:23,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:23" (1/1) ... [2022-10-17 16:50:23,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:23,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334fd6c1-d214-4c1c-a5e0-450581f3df77/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:50:23,955 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334fd6c1-d214-4c1c-a5e0-450581f3df77/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:50:23,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334fd6c1-d214-4c1c-a5e0-450581f3df77/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:50:24,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:50:24,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:50:24,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:50:24,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:50:24,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:50:24,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:50:24,108 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:50:24,110 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:50:24,328 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:50:24,420 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:50:24,420 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:50:24,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:24 BoogieIcfgContainer [2022-10-17 16:50:24,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:50:24,425 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:50:24,425 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:50:24,437 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:50:24,437 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:24" (1/1) ... [2022-10-17 16:50:24,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:50:24,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:24,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2022-10-17 16:50:24,510 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-10-17 16:50:24,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:50:24,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:24,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:24,835 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 16:50:24,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:24,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2022-10-17 16:50:24,919 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-10-17 16:50:24,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:50:24,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:24,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:25,291 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 16:50:25,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:25,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2022-10-17 16:50:25,668 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2022-10-17 16:50:25,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:50:25,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:25,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:25,947 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 16:50:26,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:26,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2022-10-17 16:50:26,037 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2022-10-17 16:50:26,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:50:26,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:26,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:26,163 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 16:50:26,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:26,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2022-10-17 16:50:26,364 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-10-17 16:50:26,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:50:26,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:26,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:26,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:27,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:27,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2022-10-17 16:50:27,350 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2022-10-17 16:50:27,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:50:27,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:27,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:27,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:27,760 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 16:50:29,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:29,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2022-10-17 16:50:29,066 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2022-10-17 16:50:29,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:50:29,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:29,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:29,298 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 16:50:29,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:29,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2022-10-17 16:50:29,716 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2022-10-17 16:50:29,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:50:29,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:29,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:29,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:30,079 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 16:50:30,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:30,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2022-10-17 16:50:30,578 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2022-10-17 16:50:30,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:50:30,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:30,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:30,628 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 16:50:30,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:30,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2022-10-17 16:50:30,649 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2022-10-17 16:50:30,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:50:30,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:30,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:30,745 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 16:50:31,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:31,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2022-10-17 16:50:31,081 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2022-10-17 16:50:31,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:50:31,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:31,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:31,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:31,105 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 16:50:31,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:31,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2022-10-17 16:50:31,124 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2022-10-17 16:50:31,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:50:31,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:31,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:31,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:31,150 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 16:50:31,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:31,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2022-10-17 16:50:31,177 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2022-10-17 16:50:31,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:50:31,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:31,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:31,488 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:50:33,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:33,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 46 transitions. [2022-10-17 16:50:33,754 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 46 transitions. [2022-10-17 16:50:33,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:50:33,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:33,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:33,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:34,099 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:36,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:36,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2022-10-17 16:50:36,871 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2022-10-17 16:50:36,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:50:36,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:36,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:36,923 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:50:38,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:38,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 66 transitions. [2022-10-17 16:50:38,274 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2022-10-17 16:50:38,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:50:38,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:38,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:38,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:50:38,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:38,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 66 transitions. [2022-10-17 16:50:38,864 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 66 transitions. [2022-10-17 16:50:38,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:50:38,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:38,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:38,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:50:39,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:39,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 67 transitions. [2022-10-17 16:50:39,151 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2022-10-17 16:50:39,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:50:39,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:39,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:39,838 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:42,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:42,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 44 states and 81 transitions. [2022-10-17 16:50:42,549 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2022-10-17 16:50:42,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:50:42,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:42,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:42,729 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:44,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:44,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 48 states and 89 transitions. [2022-10-17 16:50:44,944 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 89 transitions. [2022-10-17 16:50:44,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:50:44,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:44,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:45,455 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:47,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:47,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 53 states and 99 transitions. [2022-10-17 16:50:47,539 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 99 transitions. [2022-10-17 16:50:47,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:50:47,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:47,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:47,591 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:50:48,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:48,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 56 states and 104 transitions. [2022-10-17 16:50:48,662 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 104 transitions. [2022-10-17 16:50:48,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:50:48,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:48,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:48,704 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:50:49,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:49,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 59 states and 109 transitions. [2022-10-17 16:50:49,978 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 109 transitions. [2022-10-17 16:50:49,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:50:49,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:49,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:50,045 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:50:50,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:50,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 62 states and 115 transitions. [2022-10-17 16:50:50,990 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 115 transitions. [2022-10-17 16:50:50,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:50:50,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:50,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:51,040 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:50:52,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:52,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 67 states and 127 transitions. [2022-10-17 16:50:52,710 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 127 transitions. [2022-10-17 16:50:52,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:50:52,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:52,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:52,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:50:53,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:53,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 69 states and 129 transitions. [2022-10-17 16:50:53,066 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 129 transitions. [2022-10-17 16:50:53,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:50:53,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:53,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:53,124 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:50:54,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:54,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 71 states and 132 transitions. [2022-10-17 16:50:54,067 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 132 transitions. [2022-10-17 16:50:54,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:50:54,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:54,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:54,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.