./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_9.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31b5206a-da98-4ca9-9b9b-ea3303046d92/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31b5206a-da98-4ca9-9b9b-ea3303046d92/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31b5206a-da98-4ca9-9b9b-ea3303046d92/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31b5206a-da98-4ca9-9b9b-ea3303046d92/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_9.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31b5206a-da98-4ca9-9b9b-ea3303046d92/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31b5206a-da98-4ca9-9b9b-ea3303046d92/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 04dc39fb366d4472036345a213cca0ee8b355c41bc9af7e685ecaa2d36ed9484 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:36:03,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:36:03,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:36:03,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:36:03,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:36:03,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:36:03,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:36:03,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:36:03,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:36:03,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:36:03,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:36:03,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:36:03,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:36:03,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:36:03,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:36:03,893 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:36:03,894 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:36:03,895 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:36:03,897 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:36:03,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:36:03,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:36:03,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:36:03,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:36:03,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:36:03,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:36:03,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:36:03,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:36:03,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:36:03,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:36:03,926 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:36:03,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:36:03,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:36:03,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:36:03,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:36:03,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:36:03,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:36:03,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:36:03,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:36:03,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:36:03,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:36:03,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:36:03,936 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31b5206a-da98-4ca9-9b9b-ea3303046d92/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:36:03,975 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:36:03,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:36:03,976 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:36:03,977 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:36:03,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:36:03,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:36:03,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:36:03,978 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:36:03,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:36:03,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:36:03,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:36:03,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:36:03,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:36:03,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:36:03,981 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:36:03,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:36:03,981 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:36:03,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:36:03,982 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:36:03,982 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:36:03,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:36:03,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:36:03,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:36:03,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:36:03,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:36:03,984 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:36:03,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:36:03,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:36:03,996 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_31b5206a-da98-4ca9-9b9b-ea3303046d92/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31b5206a-da98-4ca9-9b9b-ea3303046d92/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04dc39fb366d4472036345a213cca0ee8b355c41bc9af7e685ecaa2d36ed9484 [2022-10-17 16:36:04,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:36:04,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:36:04,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:36:04,325 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:36:04,327 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:36:04,328 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31b5206a-da98-4ca9-9b9b-ea3303046d92/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/locks/test_locks_9.c [2022-10-17 16:36:04,403 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31b5206a-da98-4ca9-9b9b-ea3303046d92/bin/ukojak-92XMlrwhuB/data/475f9eee2/334d8f9d46d04b46aa16cb7595de0f65/FLAGe4a36c358 [2022-10-17 16:36:04,832 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:36:04,832 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31b5206a-da98-4ca9-9b9b-ea3303046d92/sv-benchmarks/c/locks/test_locks_9.c [2022-10-17 16:36:04,839 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31b5206a-da98-4ca9-9b9b-ea3303046d92/bin/ukojak-92XMlrwhuB/data/475f9eee2/334d8f9d46d04b46aa16cb7595de0f65/FLAGe4a36c358 [2022-10-17 16:36:05,227 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31b5206a-da98-4ca9-9b9b-ea3303046d92/bin/ukojak-92XMlrwhuB/data/475f9eee2/334d8f9d46d04b46aa16cb7595de0f65 [2022-10-17 16:36:05,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:36:05,231 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:36:05,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:36:05,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:36:05,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:36:05,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:36:05" (1/1) ... [2022-10-17 16:36:05,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77978512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:05, skipping insertion in model container [2022-10-17 16:36:05,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:36:05" (1/1) ... [2022-10-17 16:36:05,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:36:05,265 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:36:05,445 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31b5206a-da98-4ca9-9b9b-ea3303046d92/sv-benchmarks/c/locks/test_locks_9.c[3555,3568] [2022-10-17 16:36:05,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:36:05,459 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:36:05,482 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31b5206a-da98-4ca9-9b9b-ea3303046d92/sv-benchmarks/c/locks/test_locks_9.c[3555,3568] [2022-10-17 16:36:05,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:36:05,496 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:36:05,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:05 WrapperNode [2022-10-17 16:36:05,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:36:05,498 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:36:05,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:36:05,499 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:36:05,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:05" (1/1) ... [2022-10-17 16:36:05,514 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:05" (1/1) ... [2022-10-17 16:36:05,536 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 127 [2022-10-17 16:36:05,536 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:36:05,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:36:05,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:36:05,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:36:05,547 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:05" (1/1) ... [2022-10-17 16:36:05,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:05" (1/1) ... [2022-10-17 16:36:05,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:05" (1/1) ... [2022-10-17 16:36:05,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:05" (1/1) ... [2022-10-17 16:36:05,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:05" (1/1) ... [2022-10-17 16:36:05,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:05" (1/1) ... [2022-10-17 16:36:05,564 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:05" (1/1) ... [2022-10-17 16:36:05,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:05" (1/1) ... [2022-10-17 16:36:05,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:36:05,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:36:05,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:36:05,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:36:05,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:05" (1/1) ... [2022-10-17 16:36:05,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:36:05,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31b5206a-da98-4ca9-9b9b-ea3303046d92/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:36:05,611 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31b5206a-da98-4ca9-9b9b-ea3303046d92/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:36:05,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31b5206a-da98-4ca9-9b9b-ea3303046d92/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:36:05,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:36:05,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:36:05,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:36:05,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:36:05,721 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:36:05,724 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:36:05,930 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:36:06,058 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:36:06,059 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:36:06,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:06 BoogieIcfgContainer [2022-10-17 16:36:06,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:36:06,062 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:36:06,063 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:36:06,073 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:36:06,073 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:06" (1/1) ... [2022-10-17 16:36:06,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:36:06,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:06,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2022-10-17 16:36:06,156 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2022-10-17 16:36:06,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:36:06,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:06,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:06,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:06,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:06,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2022-10-17 16:36:06,539 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2022-10-17 16:36:06,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:36:06,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:06,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:06,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:06,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:06,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2022-10-17 16:36:06,861 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2022-10-17 16:36:06,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:36:06,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:06,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:07,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:07,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:07,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 49 transitions. [2022-10-17 16:36:07,388 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2022-10-17 16:36:07,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:36:07,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:07,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:07,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:07,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:07,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:07,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2022-10-17 16:36:07,585 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2022-10-17 16:36:07,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:36:07,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:07,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:07,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:07,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:07,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2022-10-17 16:36:07,775 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2022-10-17 16:36:07,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:36:07,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:07,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:07,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:08,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:08,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2022-10-17 16:36:08,365 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2022-10-17 16:36:08,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:36:08,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:08,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:08,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:08,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:08,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2022-10-17 16:36:08,559 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2022-10-17 16:36:08,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:36:08,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:08,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:08,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:08,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:08,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2022-10-17 16:36:08,763 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2022-10-17 16:36:08,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:36:08,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:08,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:08,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:09,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:09,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2022-10-17 16:36:09,598 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2022-10-17 16:36:09,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:36:09,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:09,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:09,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:09,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:09,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2022-10-17 16:36:09,763 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2022-10-17 16:36:09,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:36:09,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:09,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:09,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:09,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:09,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2022-10-17 16:36:09,967 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2022-10-17 16:36:09,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:36:09,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:09,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:10,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:10,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:10,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2022-10-17 16:36:10,186 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2022-10-17 16:36:10,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:36:10,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:10,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:10,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:11,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:11,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2022-10-17 16:36:11,475 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2022-10-17 16:36:11,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:36:11,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:11,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:11,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:11,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:11,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2022-10-17 16:36:11,679 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2022-10-17 16:36:11,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:36:11,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:11,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:11,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:11,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:11,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2022-10-17 16:36:11,935 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2022-10-17 16:36:11,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:36:11,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:11,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:11,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:12,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:12,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2022-10-17 16:36:12,215 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2022-10-17 16:36:12,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:36:12,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:12,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:12,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:12,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:12,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2022-10-17 16:36:12,484 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2022-10-17 16:36:12,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:36:12,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:12,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:12,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:12,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:12,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2022-10-17 16:36:12,718 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2022-10-17 16:36:12,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:36:12,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:12,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:12,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:14,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:14,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 69 transitions. [2022-10-17 16:36:14,620 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2022-10-17 16:36:14,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:36:14,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:14,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:14,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:14,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:14,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 42 states and 69 transitions. [2022-10-17 16:36:14,881 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2022-10-17 16:36:14,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:36:14,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:14,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:14,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:15,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:15,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 43 states and 69 transitions. [2022-10-17 16:36:15,167 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 69 transitions. [2022-10-17 16:36:15,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:36:15,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:15,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:15,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:15,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:15,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2022-10-17 16:36:15,540 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2022-10-17 16:36:15,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:36:15,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:15,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:15,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:15,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:15,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2022-10-17 16:36:15,922 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2022-10-17 16:36:15,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:36:15,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:15,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:15,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:15,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:16,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:16,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2022-10-17 16:36:16,223 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2022-10-17 16:36:16,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:36:16,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:16,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:16,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:16,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:16,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2022-10-17 16:36:16,495 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2022-10-17 16:36:16,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:36:16,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:16,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:16,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:19,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:19,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2022-10-17 16:36:19,056 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2022-10-17 16:36:19,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:36:19,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:19,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:19,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:19,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:19,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2022-10-17 16:36:19,390 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2022-10-17 16:36:19,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:36:19,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:19,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:19,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:19,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:19,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 46 states and 74 transitions. [2022-10-17 16:36:19,700 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 74 transitions. [2022-10-17 16:36:19,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:36:19,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:19,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:19,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:19,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:20,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:20,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2022-10-17 16:36:20,052 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2022-10-17 16:36:20,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:36:20,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:20,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:20,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:20,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:20,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 56 transitions. [2022-10-17 16:36:20,446 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2022-10-17 16:36:20,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:36:20,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:20,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:20,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:20,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:20,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:20,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 56 transitions. [2022-10-17 16:36:20,780 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2022-10-17 16:36:20,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:36:20,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:20,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:20,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:21,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:21,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 37 states and 56 transitions. [2022-10-17 16:36:21,052 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 56 transitions. [2022-10-17 16:36:21,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:36:21,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:21,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:21,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:24,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:24,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2022-10-17 16:36:24,126 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2022-10-17 16:36:24,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:36:24,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:24,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:24,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:24,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:24,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2022-10-17 16:36:24,440 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2022-10-17 16:36:24,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:36:24,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:24,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:24,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:24,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:24,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2022-10-17 16:36:24,847 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2022-10-17 16:36:24,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:36:24,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:24,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:24,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:25,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:25,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 49 states and 79 transitions. [2022-10-17 16:36:25,271 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 79 transitions. [2022-10-17 16:36:25,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:36:25,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:25,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:25,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:25,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:25,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2022-10-17 16:36:25,738 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2022-10-17 16:36:25,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:36:25,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:25,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:25,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:26,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:26,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2022-10-17 16:36:26,299 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2022-10-17 16:36:26,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:36:26,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:26,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:26,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:26,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:26,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2022-10-17 16:36:26,679 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2022-10-17 16:36:26,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:36:26,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:26,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:26,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:27,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:27,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2022-10-17 16:36:27,130 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2022-10-17 16:36:27,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:36:27,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:27,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:27,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:27,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:27,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2022-10-17 16:36:27,515 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2022-10-17 16:36:27,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:36:27,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:27,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:27,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:27,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:27,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 40 states and 58 transitions. [2022-10-17 16:36:27,946 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2022-10-17 16:36:27,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:36:27,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:27,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:27,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:27,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:28,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:28,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 41 states and 58 transitions. [2022-10-17 16:36:28,393 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2022-10-17 16:36:28,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:36:28,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:28,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:28,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:28,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:28,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 42 states and 58 transitions. [2022-10-17 16:36:28,844 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2022-10-17 16:36:28,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:36:28,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:28,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:28,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:29,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:29,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2022-10-17 16:36:29,407 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2022-10-17 16:36:29,407 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:36:29,407 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 46 iterations. [2022-10-17 16:36:29,416 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:36:29,683 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:36:29,687 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:36:29,687 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:36:29,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:36:29 ImpRootNode [2022-10-17 16:36:29,688 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:36:29,688 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:36:29,688 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:36:29,689 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:36:29,689 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:06" (3/4) ... [2022-10-17 16:36:29,692 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:36:29,704 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-10-17 16:36:29,704 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-10-17 16:36:29,705 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:36:29,705 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:36:29,759 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31b5206a-da98-4ca9-9b9b-ea3303046d92/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:36:29,759 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:36:29,760 INFO L158 Benchmark]: Toolchain (without parser) took 24528.76ms. Allocated memory was 104.9MB in the beginning and 264.2MB in the end (delta: 159.4MB). Free memory was 62.3MB in the beginning and 186.4MB in the end (delta: -124.1MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2022-10-17 16:36:29,760 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:36:29,761 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.63ms. Allocated memory is still 104.9MB. Free memory was 62.0MB in the beginning and 78.7MB in the end (delta: -16.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:36:29,761 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.06ms. Allocated memory is still 104.9MB. Free memory was 78.7MB in the beginning and 77.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:36:29,762 INFO L158 Benchmark]: Boogie Preprocessor took 36.27ms. Allocated memory is still 104.9MB. Free memory was 77.0MB in the beginning and 75.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:36:29,762 INFO L158 Benchmark]: RCFGBuilder took 487.81ms. Allocated memory is still 104.9MB. Free memory was 75.8MB in the beginning and 55.4MB in the end (delta: 20.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-10-17 16:36:29,763 INFO L158 Benchmark]: CodeCheck took 23625.55ms. Allocated memory was 104.9MB in the beginning and 264.2MB in the end (delta: 159.4MB). Free memory was 55.4MB in the beginning and 189.6MB in the end (delta: -134.1MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2022-10-17 16:36:29,763 INFO L158 Benchmark]: Witness Printer took 70.80ms. Allocated memory is still 264.2MB. Free memory was 189.6MB in the beginning and 186.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:36:29,766 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23.3s, OverallIterations: 46, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5125 SdHoareTripleChecker+Valid, 23.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4122 mSDsluCounter, 585 SdHoareTripleChecker+Invalid, 19.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3437 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14022 IncrementalHoareTripleChecker+Invalid, 17459 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3437 mSolverCounterUnsat, 585 mSDtfsCounter, 14022 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5397 GetRequests, 5073 SyntacticMatches, 0 SemanticMatches, 324 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48528 ImplicationChecksByTransitivity, 19.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 546 NumberOfCodeBlocks, 546 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 501 ConstructedInterpolants, 0 QuantifiedInterpolants, 2517 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 45 InterpolantComputations, 45 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 149]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.63ms. Allocated memory is still 104.9MB. Free memory was 62.0MB in the beginning and 78.7MB in the end (delta: -16.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.06ms. Allocated memory is still 104.9MB. Free memory was 78.7MB in the beginning and 77.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.27ms. Allocated memory is still 104.9MB. Free memory was 77.0MB in the beginning and 75.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 487.81ms. Allocated memory is still 104.9MB. Free memory was 75.8MB in the beginning and 55.4MB in the end (delta: 20.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 23625.55ms. Allocated memory was 104.9MB in the beginning and 264.2MB in the end (delta: 159.4MB). Free memory was 55.4MB in the beginning and 189.6MB in the end (delta: -134.1MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * Witness Printer took 70.80ms. Allocated memory is still 264.2MB. Free memory was 189.6MB in the beginning and 186.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:36:29,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31b5206a-da98-4ca9-9b9b-ea3303046d92/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE