./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound100.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_e1a86f30-d8c8-4bcc-a185-f3406408c4e3/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1a86f30-d8c8-4bcc-a185-f3406408c4e3/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_e1a86f30-d8c8-4bcc-a185-f3406408c4e3/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1a86f30-d8c8-4bcc-a185-f3406408c4e3/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1a86f30-d8c8-4bcc-a185-f3406408c4e3/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_e1a86f30-d8c8-4bcc-a185-f3406408c4e3/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 f5161832faa85efa7698287d22f9a23de4fa8b958c1b2d2c225d3d8c999a24ce --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:36:50,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:36:50,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:36:50,308 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:36:50,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:36:50,310 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:36:50,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:36:50,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:36:50,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:36:50,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:36:50,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:36:50,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:36:50,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:36:50,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:36:50,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:36:50,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:36:50,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:36:50,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:36:50,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:36:50,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:36:50,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:36:50,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:36:50,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:36:50,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:36:50,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:36:50,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:36:50,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:36:50,352 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:36:50,353 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:36:50,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:36:50,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:36:50,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:36:50,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:36:50,367 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:36:50,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:36:50,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:36:50,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:36:50,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:36:50,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:36:50,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:36:50,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:36:50,374 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1a86f30-d8c8-4bcc-a185-f3406408c4e3/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:36:50,418 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:36:50,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:36:50,423 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:36:50,423 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:36:50,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:36:50,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:36:50,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:36:50,425 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:36:50,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:36:50,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:36:50,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:36:50,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:36:50,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:36:50,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:36:50,428 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:36:50,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:36:50,428 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:36:50,428 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:36:50,428 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:36:50,429 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:36:50,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:36:50,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:36:50,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:36:50,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:36:50,430 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:36:50,430 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:36:50,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:36:50,431 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:36:50,431 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_e1a86f30-d8c8-4bcc-a185-f3406408c4e3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1a86f30-d8c8-4bcc-a185-f3406408c4e3/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5161832faa85efa7698287d22f9a23de4fa8b958c1b2d2c225d3d8c999a24ce [2021-11-23 01:36:50,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:36:50,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:36:50,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:36:50,762 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:36:50,763 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:36:50,765 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1a86f30-d8c8-4bcc-a185-f3406408c4e3/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound100.c [2021-11-23 01:36:50,843 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1a86f30-d8c8-4bcc-a185-f3406408c4e3/bin/ukojak-LBtLqBUTdQ/data/f8126395f/a6694299808047a59d11723da13c6c46/FLAG9c48e6500 [2021-11-23 01:36:51,325 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:36:51,326 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1a86f30-d8c8-4bcc-a185-f3406408c4e3/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound100.c [2021-11-23 01:36:51,331 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1a86f30-d8c8-4bcc-a185-f3406408c4e3/bin/ukojak-LBtLqBUTdQ/data/f8126395f/a6694299808047a59d11723da13c6c46/FLAG9c48e6500 [2021-11-23 01:36:51,692 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1a86f30-d8c8-4bcc-a185-f3406408c4e3/bin/ukojak-LBtLqBUTdQ/data/f8126395f/a6694299808047a59d11723da13c6c46 [2021-11-23 01:36:51,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:36:51,696 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:36:51,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:36:51,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:36:51,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:36:51,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:36:51" (1/1) ... [2021-11-23 01:36:51,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57d5cd41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:51, skipping insertion in model container [2021-11-23 01:36:51,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:36:51" (1/1) ... [2021-11-23 01:36:51,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:36:51,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:36:51,952 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_e1a86f30-d8c8-4bcc-a185-f3406408c4e3/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound100.c[489,502] [2021-11-23 01:36:51,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:36:52,001 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:36:52,016 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_e1a86f30-d8c8-4bcc-a185-f3406408c4e3/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound100.c[489,502] [2021-11-23 01:36:52,042 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:36:52,059 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:36:52,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:52 WrapperNode [2021-11-23 01:36:52,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:36:52,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:36:52,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:36:52,063 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:36:52,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:52" (1/1) ... [2021-11-23 01:36:52,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:52" (1/1) ... [2021-11-23 01:36:52,105 INFO L137 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2021-11-23 01:36:52,106 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:36:52,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:36:52,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:36:52,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:36:52,116 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:52" (1/1) ... [2021-11-23 01:36:52,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:52" (1/1) ... [2021-11-23 01:36:52,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:52" (1/1) ... [2021-11-23 01:36:52,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:52" (1/1) ... [2021-11-23 01:36:52,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:52" (1/1) ... [2021-11-23 01:36:52,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:52" (1/1) ... [2021-11-23 01:36:52,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:52" (1/1) ... [2021-11-23 01:36:52,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:36:52,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:36:52,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:36:52,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:36:52,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:52" (1/1) ... [2021-11-23 01:36:52,164 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:36:52,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1a86f30-d8c8-4bcc-a185-f3406408c4e3/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:36:52,190 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1a86f30-d8c8-4bcc-a185-f3406408c4e3/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:36:52,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1a86f30-d8c8-4bcc-a185-f3406408c4e3/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:36:52,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:36:52,241 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:36:52,241 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:36:52,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:36:52,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:36:52,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:36:52,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:36:52,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:36:52,314 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:36:52,316 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:36:52,503 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:36:52,554 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:36:52,558 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:36:52,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:36:52 BoogieIcfgContainer [2021-11-23 01:36:52,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:36:52,576 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:36:52,576 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:36:52,587 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:36:52,587 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:36:52" (1/1) ... [2021-11-23 01:36:52,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:36:52,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:52,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2021-11-23 01:36:52,702 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2021-11-23 01:36:52,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:36:52,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:52,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:52,848 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:36:52,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:52,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2021-11-23 01:36:52,876 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2021-11-23 01:36:52,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:36:52,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:52,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:52,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:36:52,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:52,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 35 transitions. [2021-11-23 01:36:52,991 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2021-11-23 01:36:52,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:36:52,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:52,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:53,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:36:53,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:53,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:36:53,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:53,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 50 transitions. [2021-11-23 01:36:53,566 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2021-11-23 01:36:53,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:36:53,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:53,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:53,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:36:53,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:53,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:36:54,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:54,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 36 states and 61 transitions. [2021-11-23 01:36:54,797 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2021-11-23 01:36:54,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:36:54,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:54,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:54,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:36:54,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:55,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:36:55,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:55,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 35 states and 59 transitions. [2021-11-23 01:36:55,437 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2021-11-23 01:36:55,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:36:55,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:55,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:55,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:36:55,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:55,793 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:36:57,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:57,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 40 states and 70 transitions. [2021-11-23 01:36:57,172 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2021-11-23 01:36:57,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:36:57,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:57,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:57,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:36:57,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:57,297 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:36:57,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:57,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 41 states and 72 transitions. [2021-11-23 01:36:57,356 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2021-11-23 01:36:57,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:36:57,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:57,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:57,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:36:57,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:57,592 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:36:59,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:59,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 51 states and 114 transitions. [2021-11-23 01:36:59,122 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 114 transitions. [2021-11-23 01:36:59,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:36:59,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:59,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:59,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:36:59,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:59,641 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:37:01,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:01,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 56 states and 134 transitions. [2021-11-23 01:37:01,433 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 134 transitions. [2021-11-23 01:37:01,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:37:01,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:01,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:01,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:37:01,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:01,775 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:37:02,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:02,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 58 states and 136 transitions. [2021-11-23 01:37:02,379 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 136 transitions. [2021-11-23 01:37:02,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:37:02,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:02,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:02,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:37:02,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:02,837 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 01:37:04,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:04,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 62 states and 155 transitions. [2021-11-23 01:37:04,072 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 155 transitions. [2021-11-23 01:37:04,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:37:04,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:04,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:04,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:37:04,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:05,027 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:37:07,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:07,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 65 states and 173 transitions. [2021-11-23 01:37:07,078 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 173 transitions. [2021-11-23 01:37:07,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:37:07,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:07,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:07,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:37:07,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:08,096 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 01:37:11,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:11,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 71 states and 200 transitions. [2021-11-23 01:37:11,628 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 200 transitions. [2021-11-23 01:37:11,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:37:11,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:11,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:11,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:37:11,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:12,119 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 01:37:13,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:13,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 73 states and 206 transitions. [2021-11-23 01:37:13,473 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 206 transitions. [2021-11-23 01:37:13,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:37:13,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:13,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:13,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:37:13,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:13,982 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 01:37:14,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:14,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 74 states and 211 transitions. [2021-11-23 01:37:14,547 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 211 transitions. [2021-11-23 01:37:14,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:37:14,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:14,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:14,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:37:14,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:15,122 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:37:18,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:18,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 79 states and 239 transitions. [2021-11-23 01:37:18,741 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 239 transitions. [2021-11-23 01:37:18,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:37:18,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:18,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:18,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:37:18,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:19,764 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:37:25,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:25,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 84 states and 269 transitions. [2021-11-23 01:37:25,097 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 269 transitions. [2021-11-23 01:37:25,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:37:25,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:25,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:25,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:37:25,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:25,613 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:37:26,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:26,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 85 states and 273 transitions. [2021-11-23 01:37:26,744 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 273 transitions. [2021-11-23 01:37:26,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:37:26,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:26,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:26,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:26,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:37:26,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:27,285 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:37:32,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:32,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 89 states and 285 transitions. [2021-11-23 01:37:32,428 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 285 transitions. [2021-11-23 01:37:32,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:37:32,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:32,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:32,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:32,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:37:32,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:33,040 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:37:36,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:36,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 92 states and 293 transitions. [2021-11-23 01:37:36,640 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 293 transitions. [2021-11-23 01:37:36,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:37:36,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:36,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:36,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:37:36,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:37,397 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-23 01:38:04,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:04,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 96 states and 316 transitions. [2021-11-23 01:38:04,796 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 316 transitions. [2021-11-23 01:38:04,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:38:04,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:04,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:04,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:38:04,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:05,290 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 01:38:25,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:25,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 106 states and 423 transitions. [2021-11-23 01:38:25,328 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 423 transitions. [2021-11-23 01:38:25,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:38:25,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:25,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:25,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:38:25,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:27,031 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-23 01:38:35,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:35,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 111 states and 459 transitions. [2021-11-23 01:38:35,765 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 459 transitions. [2021-11-23 01:38:35,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:38:35,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:35,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:35,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:38:35,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:36,390 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-23 01:38:39,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:39,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 113 states and 464 transitions. [2021-11-23 01:38:39,775 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 464 transitions. [2021-11-23 01:38:39,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:38:39,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:39,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:39,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:38:39,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:40,859 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-23 01:38:44,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:44,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 116 states and 475 transitions. [2021-11-23 01:38:44,528 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 475 transitions. [2021-11-23 01:38:44,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:38:44,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:44,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:44,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:44,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:38:44,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:45,233 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-23 01:38:46,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:46,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 117 states and 477 transitions. [2021-11-23 01:38:46,194 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 477 transitions. [2021-11-23 01:38:46,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:38:46,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:46,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:46,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:38:46,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:46,805 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-23 01:38:47,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:47,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 118 states and 482 transitions. [2021-11-23 01:38:47,617 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 482 transitions. [2021-11-23 01:38:47,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:38:47,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:47,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:47,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:38:47,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:47,736 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 01:38:49,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:49,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 120 states and 482 transitions. [2021-11-23 01:38:49,777 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 482 transitions. [2021-11-23 01:38:49,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:38:49,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:49,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:49,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:38:49,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:49,899 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 01:38:55,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:55,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 122 states and 485 transitions. [2021-11-23 01:38:55,263 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 485 transitions. [2021-11-23 01:38:55,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:38:55,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:55,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:55,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:38:55,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:55,375 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 01:38:56,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:56,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 123 states and 488 transitions. [2021-11-23 01:38:56,886 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 488 transitions. [2021-11-23 01:38:56,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:38:56,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:56,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:56,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:38:56,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:58,024 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-23 01:39:02,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:02,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 125 states and 497 transitions. [2021-11-23 01:39:02,290 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 497 transitions. [2021-11-23 01:39:02,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:39:02,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:02,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:02,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:39:02,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:02,438 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 01:39:12,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:12,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 125 states and 496 transitions. [2021-11-23 01:39:12,213 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 496 transitions. [2021-11-23 01:39:12,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:39:12,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:12,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:12,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:39:12,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:12,843 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-23 01:39:19,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:19,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 127 states and 498 transitions. [2021-11-23 01:39:19,102 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 498 transitions. [2021-11-23 01:39:19,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:39:19,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:19,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:19,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:39:19,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:19,226 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 01:39:24,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:24,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 129 states and 505 transitions. [2021-11-23 01:39:24,382 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 505 transitions. [2021-11-23 01:39:24,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:39:24,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:24,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:24,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:39:24,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:24,824 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:39:26,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:26,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 130 states and 511 transitions. [2021-11-23 01:39:26,188 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 511 transitions. [2021-11-23 01:39:26,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:39:26,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:26,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:26,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:39:26,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:26,778 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:39:27,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:27,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 131 states and 512 transitions. [2021-11-23 01:39:27,654 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 512 transitions. [2021-11-23 01:39:27,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:39:27,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:27,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:27,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:39:27,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:28,049 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:39:33,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:33,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 136 states and 533 transitions. [2021-11-23 01:39:33,177 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 533 transitions. [2021-11-23 01:39:33,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:39:33,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:33,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:33,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:39:33,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:00,160 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-23 01:40:53,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:53,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 140 states and 567 transitions. [2021-11-23 01:40:53,680 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 567 transitions. [2021-11-23 01:40:53,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:40:53,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:53,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:53,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:40:53,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:55,933 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-23 01:41:00,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:00,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 141 states and 579 transitions. [2021-11-23 01:41:00,120 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 579 transitions. [2021-11-23 01:41:00,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:41:00,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:00,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:00,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:00,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:41:00,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:15,856 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-23 01:41:50,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:50,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 146 states and 608 transitions. [2021-11-23 01:41:50,662 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 608 transitions. [2021-11-23 01:41:50,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:41:50,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:50,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:50,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:41:50,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:52,984 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-23 01:42:19,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:19,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 149 states and 617 transitions. [2021-11-23 01:42:19,422 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 617 transitions. [2021-11-23 01:42:19,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:42:19,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:19,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:19,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:42:19,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:21,953 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-23 01:42:32,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:32,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 151 states and 621 transitions. [2021-11-23 01:42:32,898 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 621 transitions. [2021-11-23 01:42:32,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:42:32,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:32,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:32,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:42:32,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:35,614 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-23 01:42:38,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:38,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 152 states and 622 transitions. [2021-11-23 01:42:38,047 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 622 transitions. [2021-11-23 01:42:38,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:42:38,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:38,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:38,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 01:42:38,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:05,234 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 30 proven. 23 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-11-23 01:44:36,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:36,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 162 states and 682 transitions. [2021-11-23 01:44:36,932 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 682 transitions. [2021-11-23 01:44:36,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:44:36,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:36,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:36,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:36,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:44:36,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:55,261 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-23 01:46:08,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:08,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 167 states and 723 transitions. [2021-11-23 01:46:08,174 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 723 transitions. [2021-11-23 01:46:08,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:46:08,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:08,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:08,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:46:08,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:17,813 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-23 01:46:57,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:57,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 170 states and 743 transitions. [2021-11-23 01:46:57,230 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 743 transitions. [2021-11-23 01:46:57,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:46:57,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:57,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:57,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:46:57,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:01,119 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-23 01:47:49,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:49,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 174 states and 763 transitions. [2021-11-23 01:47:49,010 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 763 transitions. [2021-11-23 01:47:49,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:47:49,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:49,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:49,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:47:49,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:52,993 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-23 01:48:38,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:38,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 177 states and 777 transitions. [2021-11-23 01:48:38,640 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 777 transitions. [2021-11-23 01:48:38,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:48:38,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:38,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:38,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:48:38,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:43,296 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-23 01:49:19,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:19,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 179 states and 779 transitions. [2021-11-23 01:49:19,753 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 779 transitions. [2021-11-23 01:49:19,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:49:19,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:19,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:19,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:49:19,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:24,426 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-23 01:49:34,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:34,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 180 states and 782 transitions. [2021-11-23 01:49:34,796 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 782 transitions. [2021-11-23 01:49:34,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:49:34,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:34,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:34,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:49:34,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:39,390 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-23 01:49:55,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:55,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 181 states and 788 transitions. [2021-11-23 01:49:55,674 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 788 transitions. [2021-11-23 01:49:55,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:49:55,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:55,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:55,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:49:55,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:01,724 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-23 01:50:35,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:35,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 186 states and 835 transitions. [2021-11-23 01:50:35,391 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 835 transitions. [2021-11-23 01:50:35,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:50:35,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:35,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:35,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:50:35,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:36,959 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked.