./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4edb8ee-7dff-4d48-9486-76e761778248/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4edb8ee-7dff-4d48-9486-76e761778248/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4edb8ee-7dff-4d48-9486-76e761778248/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4edb8ee-7dff-4d48-9486-76e761778248/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4edb8ee-7dff-4d48-9486-76e761778248/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4edb8ee-7dff-4d48-9486-76e761778248/bin/ukojak-rkRKPMF4O4 --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 007fc8a389a67fb47c7d326d3f1d284696dfe5de13661e77d6d1bf7cce285194 --- 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-2329fc7 [2022-12-14 20:36:37,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:36:37,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:36:37,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:36:37,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:36:37,320 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:36:37,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:36:37,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:36:37,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:36:37,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:36:37,326 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:36:37,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:36:37,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:36:37,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:36:37,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:36:37,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:36:37,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:36:37,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:36:37,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:36:37,333 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:36:37,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:36:37,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:36:37,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:36:37,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:36:37,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:36:37,339 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:36:37,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:36:37,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:36:37,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:36:37,341 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:36:37,341 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:36:37,342 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:36:37,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:36:37,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:36:37,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:36:37,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:36:37,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:36:37,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:36:37,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:36:37,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:36:37,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:36:37,346 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4edb8ee-7dff-4d48-9486-76e761778248/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-12-14 20:36:37,361 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:36:37,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:36:37,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:36:37,362 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:36:37,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:36:37,362 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:36:37,363 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 20:36:37,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:36:37,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:36:37,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:36:37,363 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 20:36:37,363 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 20:36:37,363 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 20:36:37,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:36:37,364 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:36:37,364 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:36:37,364 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:36:37,364 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:36:37,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:36:37,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:36:37,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:36:37,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:36:37,365 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:36:37,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:36:37,365 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_c4edb8ee-7dff-4d48-9486-76e761778248/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4edb8ee-7dff-4d48-9486-76e761778248/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 007fc8a389a67fb47c7d326d3f1d284696dfe5de13661e77d6d1bf7cce285194 [2022-12-14 20:36:37,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:36:37,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:36:37,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:36:37,563 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:36:37,564 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:36:37,565 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4edb8ee-7dff-4d48-9486-76e761778248/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i [2022-12-14 20:36:40,080 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:36:40,279 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:36:40,279 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4edb8ee-7dff-4d48-9486-76e761778248/sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i [2022-12-14 20:36:40,287 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4edb8ee-7dff-4d48-9486-76e761778248/bin/ukojak-rkRKPMF4O4/data/0875349e6/2a2092e8f6934cb185a702e558445322/FLAG1484248c6 [2022-12-14 20:36:40,654 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4edb8ee-7dff-4d48-9486-76e761778248/bin/ukojak-rkRKPMF4O4/data/0875349e6/2a2092e8f6934cb185a702e558445322 [2022-12-14 20:36:40,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:36:40,658 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:36:40,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:36:40,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:36:40,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:36:40,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:36:40" (1/1) ... [2022-12-14 20:36:40,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@575788bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:40, skipping insertion in model container [2022-12-14 20:36:40,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:36:40" (1/1) ... [2022-12-14 20:36:40,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:36:40,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:36:40,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:36:40,867 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:36:40,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:36:40,907 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:36:40,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:40 WrapperNode [2022-12-14 20:36:40,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:36:40,908 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:36:40,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:36:40,908 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:36:40,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:40" (1/1) ... [2022-12-14 20:36:40,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:40" (1/1) ... [2022-12-14 20:36:40,933 INFO L138 Inliner]: procedures = 117, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2022-12-14 20:36:40,933 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:36:40,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:36:40,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:36:40,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:36:40,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:40" (1/1) ... [2022-12-14 20:36:40,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:40" (1/1) ... [2022-12-14 20:36:40,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:40" (1/1) ... [2022-12-14 20:36:40,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:40" (1/1) ... [2022-12-14 20:36:40,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:40" (1/1) ... [2022-12-14 20:36:40,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:40" (1/1) ... [2022-12-14 20:36:40,948 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:40" (1/1) ... [2022-12-14 20:36:40,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:40" (1/1) ... [2022-12-14 20:36:40,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:36:40,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:36:40,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:36:40,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:36:40,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:40" (1/1) ... [2022-12-14 20:36:40,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:36:40,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4edb8ee-7dff-4d48-9486-76e761778248/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:36:40,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4edb8ee-7dff-4d48-9486-76e761778248/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:36:40,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4edb8ee-7dff-4d48-9486-76e761778248/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:36:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 20:36:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 20:36:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:36:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:36:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:36:41,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:36:41,083 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:36:41,085 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:36:41,191 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:36:41,233 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:36:41,233 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 20:36:41,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:36:41 BoogieIcfgContainer [2022-12-14 20:36:41,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:36:41,237 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:36:41,237 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:36:41,247 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:36:41,247 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:36:41" (1/1) ... [2022-12-14 20:36:41,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 20:36:41,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:36:41,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2022-12-14 20:36:41,290 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2022-12-14 20:36:41,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 20:36:41,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:36:41,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:36:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:36:41,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:36:41,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:36:41,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2022-12-14 20:36:41,486 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2022-12-14 20:36:41,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 20:36:41,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:36:41,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:36:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:36:41,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:36:41,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:36:41,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2022-12-14 20:36:41,876 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2022-12-14 20:36:41,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 20:36:41,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:36:41,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:36:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:36:42,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:36:42,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:36:42,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2022-12-14 20:36:42,821 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2022-12-14 20:36:42,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 20:36:42,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:36:42,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:36:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:36:42,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:36:43,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:36:43,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2022-12-14 20:36:43,034 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2022-12-14 20:36:43,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 20:36:43,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:36:43,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:36:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:36:43,370 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:36:44,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:36:44,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 37 transitions. [2022-12-14 20:36:44,025 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 37 transitions. [2022-12-14 20:36:44,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 20:36:44,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:36:44,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:36:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:36:44,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:36:44,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:36:44,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2022-12-14 20:36:44,298 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2022-12-14 20:36:44,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 20:36:44,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:36:44,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:36:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:36:44,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:36:45,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:36:45,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 50 transitions. [2022-12-14 20:36:45,879 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 50 transitions. [2022-12-14 20:36:45,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 20:36:45,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:36:45,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:36:45,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:36:46,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 20:36:47,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:36:47,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 34 states and 62 transitions. [2022-12-14 20:36:47,331 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2022-12-14 20:36:47,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 20:36:47,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:36:47,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:36:47,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:36:47,980 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:36:49,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:36:49,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2022-12-14 20:36:49,407 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2022-12-14 20:36:49,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 20:36:49,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:36:49,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:36:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:36:49,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:36:52,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:36:52,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2022-12-14 20:36:52,235 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2022-12-14 20:36:52,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 20:36:52,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:36:52,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:36:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:36:52,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 20:36:52,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:36:52,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2022-12-14 20:36:52,806 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2022-12-14 20:36:52,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 20:36:52,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:36:52,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:36:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:36:52,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 20:36:53,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:36:53,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2022-12-14 20:36:53,577 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2022-12-14 20:36:53,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 20:36:53,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:36:53,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:36:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:36:54,067 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:36:56,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:36:56,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2022-12-14 20:36:56,377 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2022-12-14 20:36:56,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 20:36:56,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:36:56,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:36:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:36:56,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 20:36:56,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:36:56,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2022-12-14 20:36:56,886 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2022-12-14 20:36:56,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 20:36:56,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:36:56,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:36:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:36:56,919 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 20:36:58,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:36:58,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2022-12-14 20:36:58,230 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2022-12-14 20:36:58,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 20:36:58,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:36:58,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:36:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:36:59,204 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:37:03,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:03,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2022-12-14 20:37:03,882 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2022-12-14 20:37:03,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 20:37:03,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:03,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:03,963 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 20:37:04,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:04,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2022-12-14 20:37:04,529 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2022-12-14 20:37:04,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 20:37:04,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:04,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:04,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:04,628 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 20:37:05,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:05,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 47 states and 77 transitions. [2022-12-14 20:37:05,514 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 77 transitions. [2022-12-14 20:37:05,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 20:37:05,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:05,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:05,549 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 20:37:06,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:06,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 49 states and 78 transitions. [2022-12-14 20:37:06,567 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 78 transitions. [2022-12-14 20:37:06,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 20:37:06,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:06,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:07,129 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:37:12,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:12,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 58 states and 94 transitions. [2022-12-14 20:37:12,960 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 94 transitions. [2022-12-14 20:37:12,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 20:37:12,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:12,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:13,021 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:37:14,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:14,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 60 states and 95 transitions. [2022-12-14 20:37:14,240 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 95 transitions. [2022-12-14 20:37:14,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 20:37:14,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:14,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:16,233 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:37:24,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:24,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 64 states and 102 transitions. [2022-12-14 20:37:24,823 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 102 transitions. [2022-12-14 20:37:24,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 20:37:24,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:24,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:24,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:25,035 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 20:37:25,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:25,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 64 states and 101 transitions. [2022-12-14 20:37:25,898 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 101 transitions. [2022-12-14 20:37:25,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 20:37:25,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:25,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:25,928 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 20:37:26,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:26,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 63 states and 97 transitions. [2022-12-14 20:37:26,665 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 97 transitions. [2022-12-14 20:37:26,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 20:37:26,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:26,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:27,476 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:37:34,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:34,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 72 states and 112 transitions. [2022-12-14 20:37:34,781 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 112 transitions. [2022-12-14 20:37:34,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 20:37:34,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:34,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:37,580 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:37:49,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:49,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 78 states and 122 transitions. [2022-12-14 20:37:49,872 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 122 transitions. [2022-12-14 20:37:49,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 20:37:49,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:49,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:51,051 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 8 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:38:00,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:38:00,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 87 states and 137 transitions. [2022-12-14 20:38:00,800 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 137 transitions. [2022-12-14 20:38:00,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 20:38:00,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:38:00,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:38:00,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:38:03,400 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:38:16,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:38:16,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 93 states and 147 transitions. [2022-12-14 20:38:16,885 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 147 transitions. [2022-12-14 20:38:16,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 20:38:16,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:38:16,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:38:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:38:18,113 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 10 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:38:29,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:38:29,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 102 states and 162 transitions. [2022-12-14 20:38:29,053 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 162 transitions. [2022-12-14 20:38:29,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 20:38:29,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:38:29,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:38:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:38:32,471 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 20 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:38:47,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:38:47,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 108 states and 172 transitions. [2022-12-14 20:38:47,995 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 172 transitions. [2022-12-14 20:38:47,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 20:38:47,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:38:47,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:38:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:38:49,168 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 12 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:39:01,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:39:01,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 117 states and 187 transitions. [2022-12-14 20:39:01,923 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 187 transitions. [2022-12-14 20:39:01,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 20:39:01,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:39:01,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:39:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:39:05,875 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 30 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:39:24,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:39:24,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 123 states and 197 transitions. [2022-12-14 20:39:24,377 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 197 transitions. [2022-12-14 20:39:24,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 20:39:24,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:39:24,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:39:24,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:39:25,968 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 14 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:39:41,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:39:41,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 132 states and 212 transitions. [2022-12-14 20:39:41,940 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 212 transitions. [2022-12-14 20:39:41,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-14 20:39:41,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:39:41,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:39:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:39:49,298 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 42 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:40:16,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:40:16,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 138 states and 222 transitions. [2022-12-14 20:40:16,121 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 222 transitions. [2022-12-14 20:40:16,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-14 20:40:16,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:40:16,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:40:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:40:18,002 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 16 proven. 176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:40:37,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:40:37,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 147 states and 237 transitions. [2022-12-14 20:40:37,944 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 237 transitions. [2022-12-14 20:40:37,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-14 20:40:37,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:40:37,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:40:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:40:45,464 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 56 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:41:14,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:41:14,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 153 states and 247 transitions. [2022-12-14 20:41:14,154 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 247 transitions. [2022-12-14 20:41:14,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-14 20:41:14,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:41:14,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:41:14,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:41:16,632 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 18 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:41:38,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:41:38,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 162 states and 262 transitions. [2022-12-14 20:41:38,271 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 262 transitions. [2022-12-14 20:41:38,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-14 20:41:38,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:41:38,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:41:38,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:41:47,158 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 72 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:42:20,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:42:20,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 168 states and 272 transitions. [2022-12-14 20:42:20,347 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 272 transitions. [2022-12-14 20:42:20,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-14 20:42:20,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:42:20,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:42:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:42:22,454 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 20 proven. 280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:42:47,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:42:47,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 287 transitions. [2022-12-14 20:42:47,295 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 287 transitions. [2022-12-14 20:42:47,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-12-14 20:42:47,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:42:47,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:42:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:42:57,072 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 90 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:43:36,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:43:36,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 183 states and 297 transitions. [2022-12-14 20:43:36,018 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 297 transitions. [2022-12-14 20:43:36,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-14 20:43:36,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:43:36,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:43:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:43:38,483 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 22 proven. 341 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:44:06,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:44:06,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 192 states and 312 transitions. [2022-12-14 20:44:06,670 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 312 transitions. [2022-12-14 20:44:06,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-12-14 20:44:06,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:44:06,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:44:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:44:18,620 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 110 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:45:02,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:45:02,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 198 states and 322 transitions. [2022-12-14 20:45:02,676 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 322 transitions. [2022-12-14 20:45:02,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-14 20:45:02,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:45:02,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:45:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:45:05,535 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 24 proven. 408 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:45:34,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:45:34,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 207 states and 337 transitions. [2022-12-14 20:45:34,847 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 337 transitions. [2022-12-14 20:45:34,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-12-14 20:45:34,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:45:34,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:45:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:45:49,656 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 132 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:46:39,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:46:39,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 213 states and 347 transitions. [2022-12-14 20:46:39,642 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 347 transitions. [2022-12-14 20:46:39,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-12-14 20:46:39,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:46:39,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:46:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:46:42,473 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 26 proven. 481 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:47:14,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:47:14,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 222 states and 362 transitions. [2022-12-14 20:47:14,075 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 362 transitions. [2022-12-14 20:47:14,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-14 20:47:14,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:47:14,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:47:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:47:29,345 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 156 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:48:24,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:48:24,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 228 states and 372 transitions. [2022-12-14 20:48:24,488 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 372 transitions. [2022-12-14 20:48:24,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-12-14 20:48:24,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:48:24,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:48:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:48:27,655 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 28 proven. 560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:49:03,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:49:03,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 237 states and 387 transitions. [2022-12-14 20:49:03,508 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 387 transitions. [2022-12-14 20:49:03,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-12-14 20:49:03,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:49:03,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:49:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:49:19,732 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 182 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:50:22,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:50:22,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 243 states and 397 transitions. [2022-12-14 20:50:22,233 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 397 transitions. [2022-12-14 20:50:22,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-12-14 20:50:22,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:50:22,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:50:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:50:26,286 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 30 proven. 645 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.