./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5.2.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f917ad5-aad6-4991-ac94-033ec1aef200/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f917ad5-aad6-4991-ac94-033ec1aef200/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f917ad5-aad6-4991-ac94-033ec1aef200/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f917ad5-aad6-4991-ac94-033ec1aef200/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5.2.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f917ad5-aad6-4991-ac94-033ec1aef200/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f917ad5-aad6-4991-ac94-033ec1aef200/bin/ukojak-LBtLqBUTdQ --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 5b06f43d0873a45269a4958da066d5bcb75939de6aa3fcbada350cd9dc55d93c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:16:24,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:16:24,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:16:24,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:16:24,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:16:24,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:16:24,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:16:24,282 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:16:24,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:16:24,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:16:24,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:16:24,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:16:24,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:16:24,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:16:24,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:16:24,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:16:24,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:16:24,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:16:24,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:16:24,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:16:24,303 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:16:24,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:16:24,306 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:16:24,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:16:24,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:16:24,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:16:24,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:16:24,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:16:24,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:16:24,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:16:24,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:16:24,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:16:24,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:16:24,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:16:24,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:16:24,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:16:24,321 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:16:24,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:16:24,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:16:24,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:16:24,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:16:24,325 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f917ad5-aad6-4991-ac94-033ec1aef200/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:16:24,349 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:16:24,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:16:24,351 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:16:24,351 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:16:24,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:16:24,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:16:24,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:16:24,353 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:16:24,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:16:24,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:16:24,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:16:24,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:16:24,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:16:24,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:16:24,356 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:16:24,356 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:16:24,357 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:16:24,357 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:16:24,357 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:16:24,358 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:16:24,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:16:24,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:16:24,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:16:24,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:16:24,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:16:24,360 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:16:24,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:16:24,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:16:24,361 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_0f917ad5-aad6-4991-ac94-033ec1aef200/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f917ad5-aad6-4991-ac94-033ec1aef200/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b06f43d0873a45269a4958da066d5bcb75939de6aa3fcbada350cd9dc55d93c [2021-11-22 23:16:24,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:16:24,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:16:24,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:16:24,626 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:16:24,627 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:16:24,629 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f917ad5-aad6-4991-ac94-033ec1aef200/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5.2.ufo.UNBOUNDED.pals.c [2021-11-22 23:16:24,747 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f917ad5-aad6-4991-ac94-033ec1aef200/bin/ukojak-LBtLqBUTdQ/data/9f83f5991/7de44b7029b14f4794f4374aacdc17cc/FLAGbcae6f435 [2021-11-22 23:16:25,368 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:16:25,372 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f917ad5-aad6-4991-ac94-033ec1aef200/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5.2.ufo.UNBOUNDED.pals.c [2021-11-22 23:16:25,398 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f917ad5-aad6-4991-ac94-033ec1aef200/bin/ukojak-LBtLqBUTdQ/data/9f83f5991/7de44b7029b14f4794f4374aacdc17cc/FLAGbcae6f435 [2021-11-22 23:16:25,582 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f917ad5-aad6-4991-ac94-033ec1aef200/bin/ukojak-LBtLqBUTdQ/data/9f83f5991/7de44b7029b14f4794f4374aacdc17cc [2021-11-22 23:16:25,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:16:25,585 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:16:25,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:16:25,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:16:25,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:16:25,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:16:25" (1/1) ... [2021-11-22 23:16:25,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58b5f4cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:25, skipping insertion in model container [2021-11-22 23:16:25,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:16:25" (1/1) ... [2021-11-22 23:16:25,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:16:25,684 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:16:26,217 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_0f917ad5-aad6-4991-ac94-033ec1aef200/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5.2.ufo.UNBOUNDED.pals.c[65679,65692] [2021-11-22 23:16:26,234 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:16:26,247 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:16:26,387 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_0f917ad5-aad6-4991-ac94-033ec1aef200/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5.2.ufo.UNBOUNDED.pals.c[65679,65692] [2021-11-22 23:16:26,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:16:26,407 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:16:26,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:26 WrapperNode [2021-11-22 23:16:26,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:16:26,409 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:16:26,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:16:26,411 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:16:26,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:26" (1/1) ... [2021-11-22 23:16:26,445 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:26" (1/1) ... [2021-11-22 23:16:26,533 INFO L137 Inliner]: procedures = 25, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 2133 [2021-11-22 23:16:26,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:16:26,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:16:26,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:16:26,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:16:26,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:26" (1/1) ... [2021-11-22 23:16:26,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:26" (1/1) ... [2021-11-22 23:16:26,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:26" (1/1) ... [2021-11-22 23:16:26,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:26" (1/1) ... [2021-11-22 23:16:26,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:26" (1/1) ... [2021-11-22 23:16:26,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:26" (1/1) ... [2021-11-22 23:16:26,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:26" (1/1) ... [2021-11-22 23:16:26,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:16:26,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:16:26,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:16:26,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:16:26,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:26" (1/1) ... [2021-11-22 23:16:26,697 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:16:26,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f917ad5-aad6-4991-ac94-033ec1aef200/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:16:26,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f917ad5-aad6-4991-ac94-033ec1aef200/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:16:26,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f917ad5-aad6-4991-ac94-033ec1aef200/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:16:26,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:16:26,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:16:26,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:16:26,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:16:27,044 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:16:27,045 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:16:28,911 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:16:31,001 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:16:31,001 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 23:16:31,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:16:31 BoogieIcfgContainer [2021-11-22 23:16:31,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:16:31,008 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:16:31,008 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:16:31,017 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:16:31,018 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:16:31" (1/1) ... [2021-11-22 23:16:31,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:16:31,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:31,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 441 states and 754 transitions. [2021-11-22 23:16:31,145 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 754 transitions. [2021-11-22 23:16:31,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-22 23:16:31,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:31,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:32,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:33,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:33,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 442 states and 756 transitions. [2021-11-22 23:16:33,048 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 756 transitions. [2021-11-22 23:16:33,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-22 23:16:33,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:33,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:33,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:33,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:34,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:34,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 445 states and 762 transitions. [2021-11-22 23:16:34,027 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 762 transitions. [2021-11-22 23:16:34,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-22 23:16:34,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:34,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:34,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:34,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:34,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 449 states and 770 transitions. [2021-11-22 23:16:34,954 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 770 transitions. [2021-11-22 23:16:34,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-22 23:16:34,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:34,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:35,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:36,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:36,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 454 states and 780 transitions. [2021-11-22 23:16:36,114 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 780 transitions. [2021-11-22 23:16:36,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-22 23:16:36,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:36,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:36,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:37,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:37,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 460 states and 792 transitions. [2021-11-22 23:16:37,657 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 792 transitions. [2021-11-22 23:16:37,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-22 23:16:37,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:37,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:38,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:39,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:39,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 467 states and 806 transitions. [2021-11-22 23:16:39,463 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 806 transitions. [2021-11-22 23:16:39,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-22 23:16:39,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:39,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:41,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:42,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:42,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 476 states and 822 transitions. [2021-11-22 23:16:42,823 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 822 transitions. [2021-11-22 23:16:42,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-22 23:16:42,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:42,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:44,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:46,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:46,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 484 states and 837 transitions. [2021-11-22 23:16:46,589 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 837 transitions. [2021-11-22 23:16:46,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-22 23:16:46,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:46,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:46,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:47,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:47,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 485 states and 837 transitions. [2021-11-22 23:16:47,161 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 837 transitions. [2021-11-22 23:16:47,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-22 23:16:47,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:47,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:47,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:47,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:47,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 486 states and 838 transitions. [2021-11-22 23:16:47,331 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 838 transitions. [2021-11-22 23:16:47,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-22 23:16:47,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:47,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:48,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:52,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:52,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 498 states and 858 transitions. [2021-11-22 23:16:52,445 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 858 transitions. [2021-11-22 23:16:52,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-22 23:16:52,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:52,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:52,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:52,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:53,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:53,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 501 states and 863 transitions. [2021-11-22 23:16:53,163 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 863 transitions. [2021-11-22 23:16:53,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-22 23:16:53,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:53,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:55,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:56,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:02,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:02,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 519 states and 896 transitions. [2021-11-22 23:17:02,951 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 896 transitions. [2021-11-22 23:17:02,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-22 23:17:02,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:02,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:03,803 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:10,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:10,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 538 states and 930 transitions. [2021-11-22 23:17:10,475 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 930 transitions. [2021-11-22 23:17:10,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-22 23:17:10,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:10,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:11,274 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:18,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:18,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 558 states and 966 transitions. [2021-11-22 23:17:18,339 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 966 transitions. [2021-11-22 23:17:18,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-22 23:17:18,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:18,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:18,741 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:19,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:19,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 560 states and 971 transitions. [2021-11-22 23:17:19,711 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 971 transitions. [2021-11-22 23:17:19,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-22 23:17:19,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:19,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:20,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:20,534 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:28,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:28,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 581 states and 1008 transitions. [2021-11-22 23:17:28,608 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 1008 transitions. [2021-11-22 23:17:28,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-22 23:17:28,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:28,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:28,998 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:30,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:30,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 583 states and 1016 transitions. [2021-11-22 23:17:30,136 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 1016 transitions. [2021-11-22 23:17:30,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-22 23:17:30,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:30,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:30,592 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:31,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:31,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 585 states and 1018 transitions. [2021-11-22 23:17:31,443 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 1018 transitions. [2021-11-22 23:17:31,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-22 23:17:31,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:31,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:32,334 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:41,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:41,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 607 states and 1057 transitions. [2021-11-22 23:17:41,099 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 1057 transitions. [2021-11-22 23:17:41,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-22 23:17:41,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:41,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:41,547 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:43,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:43,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 611 states and 1069 transitions. [2021-11-22 23:17:43,829 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 1069 transitions. [2021-11-22 23:17:43,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-22 23:17:43,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:43,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:44,232 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:44,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:44,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 612 states and 1071 transitions. [2021-11-22 23:17:44,872 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 1071 transitions. [2021-11-22 23:17:44,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-22 23:17:44,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:44,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:45,235 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:45,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:45,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 613 states and 1072 transitions. [2021-11-22 23:17:45,779 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 1072 transitions. [2021-11-22 23:17:45,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-22 23:17:45,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:45,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:46,163 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:46,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:46,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 614 states and 1073 transitions. [2021-11-22 23:17:46,703 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 1073 transitions. [2021-11-22 23:17:46,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-22 23:17:46,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:46,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:46,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:47,664 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:55,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:55,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 630 states and 1105 transitions. [2021-11-22 23:17:55,087 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 1105 transitions. [2021-11-22 23:17:55,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-22 23:17:55,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:55,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:55,367 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:58,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:58,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 635 states and 1121 transitions. [2021-11-22 23:17:58,477 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 1121 transitions. [2021-11-22 23:17:58,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-22 23:17:58,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:58,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:58,846 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:00,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:00,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 637 states and 1126 transitions. [2021-11-22 23:18:00,119 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 1126 transitions. [2021-11-22 23:18:00,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-22 23:18:00,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:00,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:00,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:00,415 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:01,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:01,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 638 states and 1127 transitions. [2021-11-22 23:18:01,280 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 1127 transitions. [2021-11-22 23:18:01,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-22 23:18:01,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:01,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:01,583 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:02,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:02,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 639 states and 1128 transitions. [2021-11-22 23:18:02,449 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 1128 transitions. [2021-11-22 23:18:02,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-22 23:18:02,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:02,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:02,858 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:03,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:03,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 640 states and 1129 transitions. [2021-11-22 23:18:03,723 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1129 transitions. [2021-11-22 23:18:03,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-22 23:18:03,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:03,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:04,042 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:04,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:04,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 641 states and 1130 transitions. [2021-11-22 23:18:04,617 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 1130 transitions. [2021-11-22 23:18:04,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-22 23:18:04,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:04,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:09,767 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:16,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:16,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 658 states and 1150 transitions. [2021-11-22 23:18:16,523 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1150 transitions. [2021-11-22 23:18:16,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-22 23:18:16,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:16,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:18,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:19,335 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:23,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:23,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 665 states and 1165 transitions. [2021-11-22 23:18:23,909 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 1165 transitions. [2021-11-22 23:18:23,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-22 23:18:23,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:23,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:25,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:27,118 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:35,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:35,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 675 states and 1189 transitions. [2021-11-22 23:18:35,609 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 1189 transitions. [2021-11-22 23:18:35,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-11-22 23:18:35,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:35,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:37,357 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:50,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:50,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 691 states and 1251 transitions. [2021-11-22 23:18:50,327 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 1251 transitions. [2021-11-22 23:18:50,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-22 23:18:50,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:50,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:51,594 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:02,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:02,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 705 states and 1279 transitions. [2021-11-22 23:19:02,815 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 1279 transitions. [2021-11-22 23:19:02,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-22 23:19:02,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:02,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:03,211 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:04,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:04,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 706 states and 1279 transitions. [2021-11-22 23:19:04,637 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 1279 transitions. [2021-11-22 23:19:04,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-22 23:19:04,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:04,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:06,026 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:16,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:16,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 719 states and 1307 transitions. [2021-11-22 23:19:16,940 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 1307 transitions. [2021-11-22 23:19:16,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-22 23:19:16,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:16,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:17,316 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:18,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:18,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 720 states and 1309 transitions. [2021-11-22 23:19:18,307 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1309 transitions. [2021-11-22 23:19:18,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-22 23:19:18,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:18,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:18,711 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:20,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:20,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 721 states and 1309 transitions. [2021-11-22 23:19:20,026 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1309 transitions. [2021-11-22 23:19:20,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-22 23:19:20,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:20,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:21,527 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:32,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:32,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 733 states and 1337 transitions. [2021-11-22 23:19:32,389 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1337 transitions. [2021-11-22 23:19:32,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-22 23:19:32,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:32,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:32,856 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:33,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:33,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 734 states and 1339 transitions. [2021-11-22 23:19:33,818 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1339 transitions. [2021-11-22 23:19:33,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-22 23:19:33,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:33,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:34,142 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:36,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:36,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 736 states and 1347 transitions. [2021-11-22 23:19:36,088 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 1347 transitions. [2021-11-22 23:19:36,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-22 23:19:36,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:36,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:36,427 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:37,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:37,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 737 states and 1347 transitions. [2021-11-22 23:19:37,723 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1347 transitions. [2021-11-22 23:19:37,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-22 23:19:37,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:37,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:38,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:39,197 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:53,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:53,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 754 states and 1396 transitions. [2021-11-22 23:19:53,754 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1396 transitions. [2021-11-22 23:19:53,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-22 23:19:53,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:53,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:54,194 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:56,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:56,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 756 states and 1405 transitions. [2021-11-22 23:19:56,305 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 1405 transitions. [2021-11-22 23:19:56,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-22 23:19:56,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:56,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:56,623 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:57,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:57,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 757 states and 1408 transitions. [2021-11-22 23:19:57,638 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1408 transitions. [2021-11-22 23:19:57,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-22 23:19:57,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:57,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:57,979 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:59,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:59,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 759 states and 1417 transitions. [2021-11-22 23:19:59,982 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1417 transitions. [2021-11-22 23:19:59,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-22 23:19:59,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:59,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:01,560 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 5 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:11,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:11,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 769 states and 1444 transitions. [2021-11-22 23:20:11,789 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1444 transitions. [2021-11-22 23:20:11,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-22 23:20:11,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:11,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:12,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:12,306 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 5 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:14,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:14,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 771 states and 1454 transitions. [2021-11-22 23:20:14,448 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1454 transitions. [2021-11-22 23:20:14,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-22 23:20:14,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:14,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:14,813 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 5 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:15,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:15,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 772 states and 1456 transitions. [2021-11-22 23:20:15,887 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1456 transitions. [2021-11-22 23:20:15,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-22 23:20:15,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:15,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:16,243 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 5 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:18,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:18,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 774 states and 1466 transitions. [2021-11-22 23:20:18,322 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 1466 transitions. [2021-11-22 23:20:18,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-22 23:20:18,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:18,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:18,859 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 5 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:21,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:21,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 776 states and 1477 transitions. [2021-11-22 23:20:21,234 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 1477 transitions. [2021-11-22 23:20:21,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-22 23:20:21,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:21,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:21,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:23,067 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:37,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:37,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 786 states and 1509 transitions. [2021-11-22 23:20:37,434 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1509 transitions. [2021-11-22 23:20:37,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-22 23:20:37,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:37,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:38,045 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:41,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:41,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 789 states and 1514 transitions. [2021-11-22 23:20:41,690 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1514 transitions. [2021-11-22 23:20:41,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-22 23:20:41,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:41,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:42,218 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:47,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:47,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 794 states and 1529 transitions. [2021-11-22 23:20:47,557 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1529 transitions. [2021-11-22 23:20:47,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-22 23:20:47,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:47,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:48,066 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:52,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:52,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 798 states and 1542 transitions. [2021-11-22 23:20:52,256 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1542 transitions. [2021-11-22 23:20:52,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-22 23:20:52,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:52,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:52,863 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:56,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:56,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 801 states and 1556 transitions. [2021-11-22 23:20:56,279 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1556 transitions. [2021-11-22 23:20:56,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-22 23:20:56,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:56,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:56,990 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:00,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:00,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 804 states and 1568 transitions. [2021-11-22 23:21:00,429 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1568 transitions. [2021-11-22 23:21:00,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-22 23:21:00,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:00,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:01,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:02,948 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:28,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:28,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 825 states and 1655 transitions. [2021-11-22 23:21:28,196 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1655 transitions. [2021-11-22 23:21:28,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-22 23:21:28,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:28,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:29,398 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:36,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:36,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 831 states and 1669 transitions. [2021-11-22 23:21:36,732 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1669 transitions. [2021-11-22 23:21:36,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-22 23:21:36,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:36,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:37,869 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:39,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:39,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 832 states and 1670 transitions. [2021-11-22 23:21:39,411 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1670 transitions. [2021-11-22 23:21:39,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-22 23:21:39,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:39,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:40,472 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:47,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:47,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1685 states to 838 states and 1685 transitions. [2021-11-22 23:21:47,050 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1685 transitions. [2021-11-22 23:21:47,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-22 23:21:47,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:47,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:48,239 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:53,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:53,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 843 states and 1709 transitions. [2021-11-22 23:21:53,861 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1709 transitions. [2021-11-22 23:21:53,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-22 23:21:53,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:53,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:55,009 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:57,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:57,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 846 states and 1727 transitions. [2021-11-22 23:21:57,911 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1727 transitions. [2021-11-22 23:21:57,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-22 23:21:57,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:57,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:58,981 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:00,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:00,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1736 states to 847 states and 1736 transitions. [2021-11-22 23:22:00,391 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1736 transitions. [2021-11-22 23:22:00,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-22 23:22:00,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:00,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:01,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:01,618 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:04,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:04,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 850 states and 1747 transitions. [2021-11-22 23:22:04,698 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1747 transitions. [2021-11-22 23:22:04,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-22 23:22:04,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:04,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:05,689 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 5 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:18,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:18,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 858 states and 1779 transitions. [2021-11-22 23:22:18,664 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1779 transitions. [2021-11-22 23:22:18,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-22 23:22:18,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:18,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:19,286 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 5 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:25,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:25,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1798 states to 863 states and 1798 transitions. [2021-11-22 23:22:25,917 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1798 transitions. [2021-11-22 23:22:25,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-22 23:22:25,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:25,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:26,354 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 5 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:28,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:28,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1801 states to 864 states and 1801 transitions. [2021-11-22 23:22:28,074 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1801 transitions. [2021-11-22 23:22:28,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-22 23:22:28,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:28,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:28,544 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 5 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:38,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:38,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 871 states and 1823 transitions. [2021-11-22 23:22:38,146 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1823 transitions. [2021-11-22 23:22:38,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-22 23:22:38,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:38,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:38,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:38,780 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 5 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:40,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:40,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1824 states to 872 states and 1824 transitions. [2021-11-22 23:22:40,637 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1824 transitions. [2021-11-22 23:22:40,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-22 23:22:40,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:40,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:41,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:41,323 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 5 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:45,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:45,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 876 states and 1831 transitions. [2021-11-22 23:22:45,426 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1831 transitions. [2021-11-22 23:22:45,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-22 23:22:45,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:45,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:45,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:46,062 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 5 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:47,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:47,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 877 states and 1832 transitions. [2021-11-22 23:22:47,845 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1832 transitions. [2021-11-22 23:22:47,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-22 23:22:47,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:47,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:48,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:48,527 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 5 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:55,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:55,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 882 states and 1847 transitions. [2021-11-22 23:22:55,204 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1847 transitions. [2021-11-22 23:22:55,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-22 23:22:55,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:55,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:55,852 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 5 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:59,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:59,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1860 states to 885 states and 1860 transitions. [2021-11-22 23:22:59,195 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1860 transitions. [2021-11-22 23:22:59,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-22 23:22:59,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:59,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat