./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.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_a8509a79-67cd-4caf-9f58-fd72d9ae2736/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8509a79-67cd-4caf-9f58-fd72d9ae2736/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_a8509a79-67cd-4caf-9f58-fd72d9ae2736/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8509a79-67cd-4caf-9f58-fd72d9ae2736/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8509a79-67cd-4caf-9f58-fd72d9ae2736/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_a8509a79-67cd-4caf-9f58-fd72d9ae2736/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 fa78fde783b634840a8dd117d9f71a3fa4064d7e1622444edf74e6b44f549a34 --- 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 22:57:46,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:57:46,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:57:46,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:57:46,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:57:46,302 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:57:46,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:57:46,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:57:46,305 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:57:46,306 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:57:46,307 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:57:46,307 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:57:46,308 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:57:46,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:57:46,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:57:46,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:57:46,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:57:46,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:57:46,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:57:46,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:57:46,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:57:46,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:57:46,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:57:46,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:57:46,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:57:46,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:57:46,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:57:46,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:57:46,322 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:57:46,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:57:46,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:57:46,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:57:46,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:57:46,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:57:46,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:57:46,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:57:46,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:57:46,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:57:46,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:57:46,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:57:46,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:57:46,328 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8509a79-67cd-4caf-9f58-fd72d9ae2736/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-12-14 22:57:46,348 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:57:46,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:57:46,349 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:57:46,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:57:46,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:57:46,349 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 22:57:46,349 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 22:57:46,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:57:46,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 22:57:46,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:57:46,350 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 22:57:46,350 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 22:57:46,350 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 22:57:46,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:57:46,351 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 22:57:46,351 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:57:46,351 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:57:46,351 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:57:46,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:57:46,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:57:46,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:57:46,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:57:46,352 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:57:46,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:57:46,352 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_a8509a79-67cd-4caf-9f58-fd72d9ae2736/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8509a79-67cd-4caf-9f58-fd72d9ae2736/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa78fde783b634840a8dd117d9f71a3fa4064d7e1622444edf74e6b44f549a34 [2022-12-14 22:57:46,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:57:46,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:57:46,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:57:46,530 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:57:46,531 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:57:46,532 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8509a79-67cd-4caf-9f58-fd72d9ae2736/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i [2022-12-14 22:57:49,068 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:57:49,268 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:57:49,268 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8509a79-67cd-4caf-9f58-fd72d9ae2736/sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i [2022-12-14 22:57:49,280 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8509a79-67cd-4caf-9f58-fd72d9ae2736/bin/ukojak-rkRKPMF4O4/data/0f5665657/4c377cc5f5114cf18bc9547d7fc8f1b4/FLAG3cad87254 [2022-12-14 22:57:49,670 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8509a79-67cd-4caf-9f58-fd72d9ae2736/bin/ukojak-rkRKPMF4O4/data/0f5665657/4c377cc5f5114cf18bc9547d7fc8f1b4 [2022-12-14 22:57:49,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:57:49,676 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:57:49,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:57:49,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:57:49,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:57:49,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:57:49" (1/1) ... [2022-12-14 22:57:49,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48ff3d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:57:49, skipping insertion in model container [2022-12-14 22:57:49,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:57:49" (1/1) ... [2022-12-14 22:57:49,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:57:49,706 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:57:49,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:57:49,877 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:57:49,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:57:49,919 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:57:49,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:57:49 WrapperNode [2022-12-14 22:57:49,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:57:49,920 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:57:49,920 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:57:49,920 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:57:49,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:57:49" (1/1) ... [2022-12-14 22:57:49,934 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:57:49" (1/1) ... [2022-12-14 22:57:49,948 INFO L138 Inliner]: procedures = 117, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2022-12-14 22:57:49,948 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:57:49,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:57:49,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:57:49,949 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:57:49,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:57:49" (1/1) ... [2022-12-14 22:57:49,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:57:49" (1/1) ... [2022-12-14 22:57:49,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:57:49" (1/1) ... [2022-12-14 22:57:49,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:57:49" (1/1) ... [2022-12-14 22:57:49,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:57:49" (1/1) ... [2022-12-14 22:57:49,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:57:49" (1/1) ... [2022-12-14 22:57:49,967 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:57:49" (1/1) ... [2022-12-14 22:57:49,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:57:49" (1/1) ... [2022-12-14 22:57:49,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:57:49,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:57:49,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:57:49,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:57:49,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:57:49" (1/1) ... [2022-12-14 22:57:49,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:57:49,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8509a79-67cd-4caf-9f58-fd72d9ae2736/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:57:49,992 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8509a79-67cd-4caf-9f58-fd72d9ae2736/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:57:49,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8509a79-67cd-4caf-9f58-fd72d9ae2736/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:57:50,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 22:57:50,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 22:57:50,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 22:57:50,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 22:57:50,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:57:50,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:57:50,114 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:57:50,115 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:57:50,244 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:57:50,296 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:57:50,297 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 22:57:50,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:57:50 BoogieIcfgContainer [2022-12-14 22:57:50,299 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:57:50,300 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:57:50,300 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:57:50,310 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:57:50,310 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:57:50" (1/1) ... [2022-12-14 22:57:50,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:57:50,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:57:50,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2022-12-14 22:57:50,361 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2022-12-14 22:57:50,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 22:57:50,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:57:50,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:57:50,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:57:50,503 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 22:57:50,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:57:50,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2022-12-14 22:57:50,537 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-12-14 22:57:50,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 22:57:50,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:57:50,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:57:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:57:50,639 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 22:57:50,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:57:50,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2022-12-14 22:57:50,667 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2022-12-14 22:57:50,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 22:57:50,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:57:50,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:57:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:57:50,723 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 22:57:50,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:57:50,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2022-12-14 22:57:50,739 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-12-14 22:57:50,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 22:57:50,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:57:50,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:57:50,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:57:50,979 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 22:57:51,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:57:51,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2022-12-14 22:57:51,312 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-12-14 22:57:51,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 22:57:51,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:57:51,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:57:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:57:51,527 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 22:57:51,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:57:51,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2022-12-14 22:57:51,999 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2022-12-14 22:57:52,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 22:57:52,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:57:52,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:57:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:57:52,256 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 22:57:53,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:57:53,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2022-12-14 22:57:53,105 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2022-12-14 22:57:53,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 22:57:53,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:57:53,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:57:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:57:53,286 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 22:57:53,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:57:53,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2022-12-14 22:57:53,403 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2022-12-14 22:57:53,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 22:57:53,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:57:53,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:57:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:57:53,762 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 22:57:54,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:57:54,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2022-12-14 22:57:54,783 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2022-12-14 22:57:54,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 22:57:54,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:57:54,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:57:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:57:54,918 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 22:57:55,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:57:55,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2022-12-14 22:57:55,334 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2022-12-14 22:57:55,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 22:57:55,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:57:55,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:57:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:57:55,523 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 22:57:56,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:57:56,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2022-12-14 22:57:56,456 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2022-12-14 22:57:56,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 22:57:56,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:57:56,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:57:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:57:56,895 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 22:57:58,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:57:58,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2022-12-14 22:57:58,782 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2022-12-14 22:57:58,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 22:57:58,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:57:58,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:57:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:57:59,180 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 22:58:00,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:58:00,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 35 states and 53 transitions. [2022-12-14 22:58:00,784 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 53 transitions. [2022-12-14 22:58:00,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 22:58:00,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:58:00,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:58:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:58:01,424 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 22:58:02,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:58:02,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 32 states and 43 transitions. [2022-12-14 22:58:02,392 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 43 transitions. [2022-12-14 22:58:02,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 22:58:02,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:58:02,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:58:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:58:03,111 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 22:58:04,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:58:04,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 33 states and 47 transitions. [2022-12-14 22:58:04,985 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2022-12-14 22:58:04,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 22:58:04,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:58:04,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:58:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:58:05,143 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 22:58:06,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:58:06,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2022-12-14 22:58:06,109 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2022-12-14 22:58:06,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 22:58:06,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:58:06,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:58:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:58:06,325 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 22:58:08,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:58:08,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2022-12-14 22:58:08,923 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2022-12-14 22:58:08,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 22:58:08,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:58:08,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:58:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:58:09,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:58:12,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:58:12,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 45 states and 72 transitions. [2022-12-14 22:58:12,590 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 72 transitions. [2022-12-14 22:58:12,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 22:58:12,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:58:12,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:58:12,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:58:13,243 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 22:58:15,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:58:15,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2022-12-14 22:58:15,602 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2022-12-14 22:58:15,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 22:58:15,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:58:15,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:58:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:58:15,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:58:16,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:58:16,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2022-12-14 22:58:16,321 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2022-12-14 22:58:16,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 22:58:16,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:58:16,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:58:16,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:58:16,383 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 22:58:18,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:58:18,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 49 states and 82 transitions. [2022-12-14 22:58:18,014 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 82 transitions. [2022-12-14 22:58:18,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 22:58:18,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:58:18,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:58:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:58:18,042 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:58:19,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:58:19,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 51 states and 86 transitions. [2022-12-14 22:58:19,961 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 86 transitions. [2022-12-14 22:58:19,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 22:58:19,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:58:19,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:58:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:58:20,944 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:58:24,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:58:24,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 57 states and 97 transitions. [2022-12-14 22:58:24,971 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 97 transitions. [2022-12-14 22:58:24,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 22:58:24,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:58:24,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:58:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:58:25,016 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:58:25,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:58:25,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 59 states and 99 transitions. [2022-12-14 22:58:25,982 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 99 transitions. [2022-12-14 22:58:25,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 22:58:25,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:58:25,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:58:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:58:26,047 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 22:58:26,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:58:26,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 60 states and 101 transitions. [2022-12-14 22:58:26,822 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 101 transitions. [2022-12-14 22:58:26,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 22:58:26,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:58:26,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:58:26,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:58:28,229 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 22:58:36,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:58:36,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 68 states and 116 transitions. [2022-12-14 22:58:36,265 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 116 transitions. [2022-12-14 22:58:36,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 22:58:36,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:58:36,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:58:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:58:36,314 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 22:58:37,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:58:37,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 64 states and 107 transitions. [2022-12-14 22:58:37,066 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 107 transitions. [2022-12-14 22:58:37,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 22:58:37,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:58:37,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:58:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:58:37,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:58:39,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:58:39,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 67 states and 112 transitions. [2022-12-14 22:58:39,533 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 112 transitions. [2022-12-14 22:58:39,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 22:58:39,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:58:39,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:58:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:58:40,310 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:58:41,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:58:41,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 62 states and 98 transitions. [2022-12-14 22:58:41,966 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 98 transitions. [2022-12-14 22:58:41,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 22:58:41,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:58:41,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:58:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:58:42,025 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 22:58:43,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:58:43,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 60 states and 94 transitions. [2022-12-14 22:58:43,350 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 94 transitions. [2022-12-14 22:58:43,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 22:58:43,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:58:43,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:58:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:58:43,394 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 22:58:44,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:58:44,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 61 states and 97 transitions. [2022-12-14 22:58:44,594 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 97 transitions. [2022-12-14 22:58:44,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 22:58:44,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:58:44,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:58:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:58:47,129 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:59:00,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:59:00,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 70 states and 116 transitions. [2022-12-14 22:59:00,688 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 116 transitions. [2022-12-14 22:59:00,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 22:59:00,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:59:00,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:59:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:59:00,740 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 22:59:03,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:59:03,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 73 states and 119 transitions. [2022-12-14 22:59:03,491 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 119 transitions. [2022-12-14 22:59:03,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 22:59:03,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:59:03,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:59:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:59:03,578 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 22:59:06,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:59:06,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 76 states and 122 transitions. [2022-12-14 22:59:06,771 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 122 transitions. [2022-12-14 22:59:06,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 22:59:06,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:59:06,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:59:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:59:08,609 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:59:20,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:59:20,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 83 states and 139 transitions. [2022-12-14 22:59:20,668 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 139 transitions. [2022-12-14 22:59:20,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 22:59:20,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:59:20,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:59:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:59:20,690 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 22:59:26,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:59:26,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 87 states and 150 transitions. [2022-12-14 22:59:26,341 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 150 transitions. [2022-12-14 22:59:26,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 22:59:26,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:59:26,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:59:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:59:28,894 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:59:44,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:59:44,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 94 states and 168 transitions. [2022-12-14 22:59:44,012 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 168 transitions. [2022-12-14 22:59:44,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 22:59:44,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:59:44,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:59:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:59:47,432 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:00:11,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:00:11,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 104 states and 193 transitions. [2022-12-14 23:00:11,058 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 193 transitions. [2022-12-14 23:00:11,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:00:11,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:00:11,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:00:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:00:13,735 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 1 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:00:35,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:00:35,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 111 states and 210 transitions. [2022-12-14 23:00:35,760 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 210 transitions. [2022-12-14 23:00:35,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 23:00:35,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:00:35,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:00:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:00:40,194 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:01:09,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:01:09,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 118 states and 228 transitions. [2022-12-14 23:01:09,060 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 228 transitions. [2022-12-14 23:01:09,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 23:01:09,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:01:09,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:01:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:01:13,546 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:01:39,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:01:39,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 128 states and 253 transitions. [2022-12-14 23:01:39,840 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 253 transitions. [2022-12-14 23:01:39,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 23:01:39,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:01:39,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:01:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:01:45,872 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 4 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:02:14,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:14,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 135 states and 272 transitions. [2022-12-14 23:02:14,991 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 272 transitions. [2022-12-14 23:02:14,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 23:02:14,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:14,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:02:21,487 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:02:59,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:59,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 142 states and 292 transitions. [2022-12-14 23:02:59,762 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 292 transitions. [2022-12-14 23:02:59,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 23:02:59,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:59,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:03:04,703 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 10 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:03:38,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:03:38,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 152 states and 318 transitions. [2022-12-14 23:03:38,716 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 318 transitions. [2022-12-14 23:03:38,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 23:03:38,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:03:38,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:03:38,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:03:44,514 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:04:21,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:04:21,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 159 states and 339 transitions. [2022-12-14 23:04:21,405 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 339 transitions. [2022-12-14 23:04:21,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 23:04:21,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:04:21,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:04:21,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:04:29,436 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 9 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:05:15,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:05:15,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 166 states and 361 transitions. [2022-12-14 23:05:15,050 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 361 transitions. [2022-12-14 23:05:15,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 23:05:15,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:05:15,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:05:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:05:20,723 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 12 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:06:02,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:06:02,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 176 states and 390 transitions. [2022-12-14 23:06:02,902 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 390 transitions. [2022-12-14 23:06:02,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 23:06:02,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:06:02,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:06:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:06:10,989 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:06:56,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:06:56,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 183 states and 412 transitions. [2022-12-14 23:06:56,456 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 412 transitions. [2022-12-14 23:06:56,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 23:06:56,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:06:56,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:06:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:07:07,032 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 16 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:08:05,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:08:05,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 190 states and 435 transitions. [2022-12-14 23:08:05,084 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 435 transitions. [2022-12-14 23:08:05,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 23:08:05,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:08:05,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:08:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:08:12,717 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 14 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:09:02,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:09:02,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 200 states and 465 transitions. [2022-12-14 23:09:02,882 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 465 transitions. [2022-12-14 23:09:02,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-14 23:09:02,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:09:02,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:09:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:09:13,024 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 25 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:10:09,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:10:09,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 207 states and 488 transitions. [2022-12-14 23:10:09,463 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 488 transitions. [2022-12-14 23:10:09,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-14 23:10:09,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:10:09,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:10:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:10:22,411 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 25 proven. 129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:11:32,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:11:32,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 214 states and 512 transitions. [2022-12-14 23:11:32,627 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 512 transitions. [2022-12-14 23:11:32,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 23:11:32,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:11:32,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:11:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:11:42,373 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 16 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.