./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd509325-e26f-4ffa-a23f-27b8b892a0ca/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd509325-e26f-4ffa-a23f-27b8b892a0ca/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd509325-e26f-4ffa-a23f-27b8b892a0ca/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd509325-e26f-4ffa-a23f-27b8b892a0ca/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd509325-e26f-4ffa-a23f-27b8b892a0ca/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd509325-e26f-4ffa-a23f-27b8b892a0ca/bin/ukojak-vF6T2TMglN --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 5a6204b8fe11d129da43c7784d578168196f39a9dd912e242b1920607a0dfe2c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 04:56:04,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 04:56:04,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 04:56:04,487 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 04:56:04,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 04:56:04,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 04:56:04,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 04:56:04,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 04:56:04,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 04:56:04,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 04:56:04,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 04:56:04,509 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 04:56:04,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 04:56:04,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 04:56:04,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 04:56:04,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 04:56:04,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 04:56:04,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 04:56:04,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 04:56:04,531 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 04:56:04,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 04:56:04,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 04:56:04,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 04:56:04,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 04:56:04,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 04:56:04,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 04:56:04,549 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 04:56:04,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 04:56:04,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 04:56:04,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 04:56:04,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 04:56:04,555 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 04:56:04,556 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 04:56:04,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 04:56:04,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 04:56:04,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 04:56:04,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 04:56:04,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 04:56:04,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 04:56:04,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 04:56:04,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 04:56:04,563 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd509325-e26f-4ffa-a23f-27b8b892a0ca/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 04:56:04,616 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 04:56:04,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 04:56:04,617 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 04:56:04,618 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 04:56:04,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 04:56:04,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 04:56:04,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 04:56:04,619 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 04:56:04,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 04:56:04,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 04:56:04,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 04:56:04,621 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 04:56:04,621 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 04:56:04,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 04:56:04,621 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 04:56:04,622 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 04:56:04,622 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 04:56:04,622 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 04:56:04,622 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 04:56:04,622 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 04:56:04,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 04:56:04,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:56:04,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 04:56:04,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 04:56:04,623 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 04:56:04,624 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 04:56:04,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 04:56:04,624 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 04:56:04,624 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_bd509325-e26f-4ffa-a23f-27b8b892a0ca/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd509325-e26f-4ffa-a23f-27b8b892a0ca/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a6204b8fe11d129da43c7784d578168196f39a9dd912e242b1920607a0dfe2c [2021-11-21 04:56:04,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 04:56:04,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 04:56:04,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 04:56:04,972 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 04:56:04,973 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 04:56:04,974 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd509325-e26f-4ffa-a23f-27b8b892a0ca/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-11-21 04:56:05,049 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd509325-e26f-4ffa-a23f-27b8b892a0ca/bin/ukojak-vF6T2TMglN/data/3c2707f9e/2e7704f3f1a74c7d80d351387e494082/FLAG2eef7c0e3 [2021-11-21 04:56:05,678 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 04:56:05,679 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd509325-e26f-4ffa-a23f-27b8b892a0ca/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-11-21 04:56:05,706 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd509325-e26f-4ffa-a23f-27b8b892a0ca/bin/ukojak-vF6T2TMglN/data/3c2707f9e/2e7704f3f1a74c7d80d351387e494082/FLAG2eef7c0e3 [2021-11-21 04:56:05,999 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd509325-e26f-4ffa-a23f-27b8b892a0ca/bin/ukojak-vF6T2TMglN/data/3c2707f9e/2e7704f3f1a74c7d80d351387e494082 [2021-11-21 04:56:06,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 04:56:06,006 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 04:56:06,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 04:56:06,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 04:56:06,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 04:56:06,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:56:06" (1/1) ... [2021-11-21 04:56:06,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cba0d52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:56:06, skipping insertion in model container [2021-11-21 04:56:06,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:56:06" (1/1) ... [2021-11-21 04:56:06,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 04:56:06,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 04:56:06,290 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_bd509325-e26f-4ffa-a23f-27b8b892a0ca/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[4938,4951] [2021-11-21 04:56:06,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:56:06,327 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 04:56:06,363 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_bd509325-e26f-4ffa-a23f-27b8b892a0ca/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[4938,4951] [2021-11-21 04:56:06,377 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:56:06,395 INFO L208 MainTranslator]: Completed translation [2021-11-21 04:56:06,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:56:06 WrapperNode [2021-11-21 04:56:06,396 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 04:56:06,397 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 04:56:06,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 04:56:06,398 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 04:56:06,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:56:06" (1/1) ... [2021-11-21 04:56:06,415 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:56:06" (1/1) ... [2021-11-21 04:56:06,444 INFO L137 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 338 [2021-11-21 04:56:06,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 04:56:06,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 04:56:06,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 04:56:06,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 04:56:06,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:56:06" (1/1) ... [2021-11-21 04:56:06,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:56:06" (1/1) ... [2021-11-21 04:56:06,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:56:06" (1/1) ... [2021-11-21 04:56:06,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:56:06" (1/1) ... [2021-11-21 04:56:06,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:56:06" (1/1) ... [2021-11-21 04:56:06,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:56:06" (1/1) ... [2021-11-21 04:56:06,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:56:06" (1/1) ... [2021-11-21 04:56:06,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 04:56:06,493 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 04:56:06,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 04:56:06,493 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 04:56:06,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:56:06" (1/1) ... [2021-11-21 04:56:06,502 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:56:06,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd509325-e26f-4ffa-a23f-27b8b892a0ca/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 04:56:06,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd509325-e26f-4ffa-a23f-27b8b892a0ca/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 04:56:06,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd509325-e26f-4ffa-a23f-27b8b892a0ca/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 04:56:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 04:56:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 04:56:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 04:56:06,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 04:56:06,772 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 04:56:06,774 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 04:56:07,255 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 04:56:07,368 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 04:56:07,368 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-21 04:56:07,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:56:07 BoogieIcfgContainer [2021-11-21 04:56:07,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 04:56:07,372 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 04:56:07,373 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 04:56:07,383 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 04:56:07,384 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:56:07" (1/1) ... [2021-11-21 04:56:07,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 04:56:07,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:07,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 60 states and 99 transitions. [2021-11-21 04:56:07,485 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 99 transitions. [2021-11-21 04:56:07,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-21 04:56:07,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:07,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:07,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:07,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:07,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 62 states and 100 transitions. [2021-11-21 04:56:07,911 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 100 transitions. [2021-11-21 04:56:07,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 04:56:07,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:07,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:08,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:08,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:08,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 69 states and 111 transitions. [2021-11-21 04:56:08,169 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 111 transitions. [2021-11-21 04:56:08,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 04:56:08,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:08,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:08,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:08,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:08,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:08,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 70 states and 111 transitions. [2021-11-21 04:56:08,313 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 111 transitions. [2021-11-21 04:56:08,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-21 04:56:08,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:08,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:08,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:08,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:08,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 82 states and 131 transitions. [2021-11-21 04:56:08,674 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 131 transitions. [2021-11-21 04:56:08,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-21 04:56:08,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:08,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:08,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:08,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:08,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 83 states and 131 transitions. [2021-11-21 04:56:08,743 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 131 transitions. [2021-11-21 04:56:08,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-21 04:56:08,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:08,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:08,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:08,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:08,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 84 states and 131 transitions. [2021-11-21 04:56:08,800 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 131 transitions. [2021-11-21 04:56:08,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 04:56:08,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:08,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:08,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:09,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:09,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 101 states and 160 transitions. [2021-11-21 04:56:09,272 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 160 transitions. [2021-11-21 04:56:09,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 04:56:09,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:09,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:09,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:09,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:09,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:09,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 102 states and 160 transitions. [2021-11-21 04:56:09,359 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 160 transitions. [2021-11-21 04:56:09,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 04:56:09,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:09,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:09,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:09,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:09,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 103 states and 160 transitions. [2021-11-21 04:56:09,402 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 160 transitions. [2021-11-21 04:56:09,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 04:56:09,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:09,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:09,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:09,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:09,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 104 states and 160 transitions. [2021-11-21 04:56:09,444 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 160 transitions. [2021-11-21 04:56:09,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 04:56:09,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:09,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:09,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:11,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:11,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 126 states and 199 transitions. [2021-11-21 04:56:11,630 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 199 transitions. [2021-11-21 04:56:11,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 04:56:11,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:11,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:11,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:11,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:11,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:11,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 127 states and 199 transitions. [2021-11-21 04:56:11,708 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 199 transitions. [2021-11-21 04:56:11,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 04:56:11,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:11,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:11,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:11,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:11,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 128 states and 199 transitions. [2021-11-21 04:56:11,811 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 199 transitions. [2021-11-21 04:56:11,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 04:56:11,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:11,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:11,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:11,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:11,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 129 states and 199 transitions. [2021-11-21 04:56:11,915 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 199 transitions. [2021-11-21 04:56:11,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 04:56:11,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:11,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:11,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:12,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:12,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 130 states and 199 transitions. [2021-11-21 04:56:12,007 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 199 transitions. [2021-11-21 04:56:12,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 04:56:12,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:12,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:12,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:15,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:15,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 154 states and 240 transitions. [2021-11-21 04:56:15,884 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 240 transitions. [2021-11-21 04:56:15,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 04:56:15,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:15,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:16,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:20,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:20,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 177 states and 279 transitions. [2021-11-21 04:56:20,493 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 279 transitions. [2021-11-21 04:56:20,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 04:56:20,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:20,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:20,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:20,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:20,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 178 states and 279 transitions. [2021-11-21 04:56:20,658 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 279 transitions. [2021-11-21 04:56:20,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 04:56:20,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:20,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:20,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:20,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:20,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:20,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 179 states and 279 transitions. [2021-11-21 04:56:20,763 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 279 transitions. [2021-11-21 04:56:20,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 04:56:20,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:20,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:20,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:20,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:20,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 180 states and 279 transitions. [2021-11-21 04:56:20,898 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 279 transitions. [2021-11-21 04:56:20,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 04:56:20,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:20,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:20,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:20,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:20,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 181 states and 279 transitions. [2021-11-21 04:56:20,969 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 279 transitions. [2021-11-21 04:56:20,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 04:56:20,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:20,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:21,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:21,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:21,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 182 states and 282 transitions. [2021-11-21 04:56:21,367 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 282 transitions. [2021-11-21 04:56:21,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 04:56:21,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:21,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:21,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:21,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:21,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 183 states and 282 transitions. [2021-11-21 04:56:21,736 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 282 transitions. [2021-11-21 04:56:21,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 04:56:21,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:21,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:21,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:21,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:21,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:21,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 184 states and 282 transitions. [2021-11-21 04:56:21,881 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 282 transitions. [2021-11-21 04:56:21,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 04:56:21,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:21,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:21,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:21,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:21,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 185 states and 282 transitions. [2021-11-21 04:56:21,969 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 282 transitions. [2021-11-21 04:56:21,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 04:56:21,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:21,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:22,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:28,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:28,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 198 states and 303 transitions. [2021-11-21 04:56:28,823 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 303 transitions. [2021-11-21 04:56:28,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 04:56:28,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:28,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:29,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:36,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:36,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 216 states and 333 transitions. [2021-11-21 04:56:36,626 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 333 transitions. [2021-11-21 04:56:36,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 04:56:36,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:36,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:36,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:47,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:47,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 224 states and 345 transitions. [2021-11-21 04:56:47,050 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 345 transitions. [2021-11-21 04:56:47,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 04:56:47,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:47,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:47,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:47,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:47,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 225 states and 348 transitions. [2021-11-21 04:56:47,865 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 348 transitions. [2021-11-21 04:56:47,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 04:56:47,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:47,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:48,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:50,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:50,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 229 states and 362 transitions. [2021-11-21 04:56:50,353 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 362 transitions. [2021-11-21 04:56:50,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 04:56:50,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:50,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:57:00,115 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:58:23,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:58:23,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 266 states and 463 transitions. [2021-11-21 04:58:23,184 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 463 transitions. [2021-11-21 04:58:23,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 04:58:23,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:58:23,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:58:23,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:58:23,238 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 04:58:25,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:58:25,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 267 states and 463 transitions. [2021-11-21 04:58:25,708 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 463 transitions. [2021-11-21 04:58:25,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 04:58:25,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:58:25,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:58:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:58:26,579 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 04:59:06,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:06,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 270 states and 469 transitions. [2021-11-21 04:59:06,933 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 469 transitions. [2021-11-21 04:59:06,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 04:59:06,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:06,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:07,361 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 04:59:41,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:41,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 289 states and 505 transitions. [2021-11-21 04:59:41,411 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 505 transitions. [2021-11-21 04:59:41,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 04:59:41,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:41,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:42,200 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:00:09,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:09,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 303 states and 531 transitions. [2021-11-21 05:00:09,555 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 531 transitions. [2021-11-21 05:00:09,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 05:00:09,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:09,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:10,029 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 05:00:27,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:27,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 312 states and 546 transitions. [2021-11-21 05:00:27,286 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 546 transitions. [2021-11-21 05:00:27,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 05:00:27,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:27,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:28,050 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 05:00:38,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:38,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 316 states and 553 transitions. [2021-11-21 05:00:38,938 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 553 transitions. [2021-11-21 05:00:38,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 05:00:38,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:38,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:01:12,525 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:04:56,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:04:56,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 351 states and 650 transitions. [2021-11-21 05:04:56,421 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 650 transitions. [2021-11-21 05:04:56,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 05:04:56,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:04:56,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:04:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:04:57,239 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:05:15,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:05:15,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 364 states and 683 transitions. [2021-11-21 05:05:15,121 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 683 transitions. [2021-11-21 05:05:15,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-21 05:05:15,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:05:15,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:05:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:05:15,974 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:06:25,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:06:25,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 383 states and 723 transitions. [2021-11-21 05:06:25,710 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 723 transitions. [2021-11-21 05:06:25,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-21 05:06:25,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:06:25,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:06:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:06:26,564 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:07:28,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:07:28,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 406 states and 773 transitions. [2021-11-21 05:07:28,299 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 773 transitions. [2021-11-21 05:07:28,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-21 05:07:28,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:07:28,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:07:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:07:29,389 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:08:17,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:08:17,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 425 states and 807 transitions. [2021-11-21 05:08:17,285 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 807 transitions. [2021-11-21 05:08:17,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-21 05:08:17,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:08:17,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:08:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:08:18,101 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.