./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/cohencu-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/cohencu-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI --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 bf57d72e341b105161cbeacf29e58db93d2b67f8e0e097e4dbed74551cbdcfff ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/cohencu-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI --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 bf57d72e341b105161cbeacf29e58db93d2b67f8e0e097e4dbed74551cbdcfff ....................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:29:13,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:29:13,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:29:13,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:29:13,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:29:13,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:29:13,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:29:13,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:29:13,408 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:29:13,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:29:13,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:29:13,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:29:13,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:29:13,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:29:13,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:29:13,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:29:13,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:29:13,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:29:13,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:29:13,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:29:13,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:29:13,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:29:13,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:29:13,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:29:13,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:29:13,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:29:13,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:29:13,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:29:13,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:29:13,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:29:13,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:29:13,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:29:13,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:29:13,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:29:13,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:29:13,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:29:13,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:29:13,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:29:13,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:29:13,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:29:13,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:29:13,469 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:29:13,510 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:29:13,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:29:13,512 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:29:13,512 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:29:13,513 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:29:13,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:29:13,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:29:13,514 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:29:13,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:29:13,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:29:13,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:29:13,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:29:13,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:29:13,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:29:13,529 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:29:13,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:29:13,529 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:29:13,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:29:13,530 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:29:13,530 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:29:13,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:29:13,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:29:13,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:29:13,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:29:13,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:29:13,531 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:29:13,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:29:13,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:29:13,532 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_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf57d72e341b105161cbeacf29e58db93d2b67f8e0e097e4dbed74551cbdcfff [2021-10-29 04:29:13,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:29:13,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:29:13,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:29:13,843 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:29:13,844 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:29:13,845 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench/cohencu-ll.c [2021-10-29 04:29:13,901 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/data/0dbd7394e/429e50f10d984dd1a5dc06472720507a/FLAG5d33e64e1 [2021-10-29 04:29:14,324 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:29:14,324 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/sv-benchmarks/c/nla-digbench/cohencu-ll.c [2021-10-29 04:29:14,330 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/data/0dbd7394e/429e50f10d984dd1a5dc06472720507a/FLAG5d33e64e1 [2021-10-29 04:29:14,725 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/data/0dbd7394e/429e50f10d984dd1a5dc06472720507a [2021-10-29 04:29:14,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:29:14,728 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:29:14,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:29:14,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:29:14,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:29:14,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:29:14" (1/1) ... [2021-10-29 04:29:14,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3be453c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:14, skipping insertion in model container [2021-10-29 04:29:14,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:29:14" (1/1) ... [2021-10-29 04:29:14,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:29:14,764 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:29:14,923 WARN L228 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_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/sv-benchmarks/c/nla-digbench/cohencu-ll.c[588,601] [2021-10-29 04:29:14,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:29:14,950 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:29:14,962 WARN L228 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_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/sv-benchmarks/c/nla-digbench/cohencu-ll.c[588,601] [2021-10-29 04:29:14,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:29:14,985 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:29:14,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:14 WrapperNode [2021-10-29 04:29:14,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:29:14,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:29:14,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:29:14,988 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:29:14,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:14" (1/1) ... [2021-10-29 04:29:15,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:14" (1/1) ... [2021-10-29 04:29:15,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:29:15,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:29:15,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:29:15,022 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:29:15,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:14" (1/1) ... [2021-10-29 04:29:15,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:14" (1/1) ... [2021-10-29 04:29:15,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:14" (1/1) ... [2021-10-29 04:29:15,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:14" (1/1) ... [2021-10-29 04:29:15,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:14" (1/1) ... [2021-10-29 04:29:15,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:14" (1/1) ... [2021-10-29 04:29:15,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:14" (1/1) ... [2021-10-29 04:29:15,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:29:15,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:29:15,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:29:15,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:29:15,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:29:14" (1/1) ... [2021-10-29 04:29:15,052 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:29:15,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:29:15,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:29:15,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:29:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:29:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:29:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:29:15,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:29:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 04:29:15,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 04:29:15,373 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:29:15,373 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 04:29:15,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:29:15 BoogieIcfgContainer [2021-10-29 04:29:15,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:29:15,377 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:29:15,377 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:29:15,387 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:29:15,387 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:29:15" (1/1) ... [2021-10-29 04:29:15,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:29:15,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:15,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2021-10-29 04:29:15,434 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2021-10-29 04:29:15,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:29:15,436 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:15,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:15,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:29:15,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:15,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2021-10-29 04:29:15,590 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2021-10-29 04:29:15,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:29:15,590 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:15,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:15,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:15,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:29:15,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:15,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 46 transitions. [2021-10-29 04:29:15,909 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2021-10-29 04:29:15,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 04:29:15,913 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:15,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:15,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:15,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:29:15,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:16,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:29:16,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:16,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 52 transitions. [2021-10-29 04:29:16,398 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2021-10-29 04:29:16,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 04:29:16,398 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:16,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:16,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:29:16,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:16,581 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 04:29:16,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:16,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 61 transitions. [2021-10-29 04:29:16,834 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2021-10-29 04:29:16,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 04:29:16,834 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:16,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:16,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:16,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 04:29:16,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:17,041 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 04:29:17,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:17,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 66 transitions. [2021-10-29 04:29:17,266 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 66 transitions. [2021-10-29 04:29:17,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 04:29:17,267 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:17,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:17,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:29:17,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:17,457 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 04:29:17,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:17,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 36 states and 69 transitions. [2021-10-29 04:29:17,502 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2021-10-29 04:29:17,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 04:29:17,508 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:17,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:17,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:29:17,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:17,685 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-10-29 04:29:18,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:18,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 37 states and 66 transitions. [2021-10-29 04:29:18,127 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2021-10-29 04:29:18,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 04:29:18,129 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:18,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:18,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:29:18,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:18,369 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-29 04:29:18,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:18,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 40 states and 72 transitions. [2021-10-29 04:29:18,606 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 72 transitions. [2021-10-29 04:29:18,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 04:29:18,608 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:18,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:18,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:18,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-29 04:29:18,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:18,905 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-29 04:29:19,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:19,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 78 transitions. [2021-10-29 04:29:19,291 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2021-10-29 04:29:19,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-29 04:29:19,292 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:19,292 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:19,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:29:19,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:19,478 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-10-29 04:29:19,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:19,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 44 states and 81 transitions. [2021-10-29 04:29:19,605 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2021-10-29 04:29:19,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-29 04:29:19,607 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:19,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:19,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:19,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-29 04:29:19,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:19,901 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-10-29 04:29:20,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:20,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 48 states and 88 transitions. [2021-10-29 04:29:20,320 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 88 transitions. [2021-10-29 04:29:20,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-10-29 04:29:20,321 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:20,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:20,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 04:29:20,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:20,549 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-10-29 04:29:20,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:20,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 50 states and 92 transitions. [2021-10-29 04:29:20,657 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 92 transitions. [2021-10-29 04:29:20,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-29 04:29:20,659 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:20,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:20,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 04:29:20,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:20,989 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-10-29 04:29:21,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:21,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 51 states and 94 transitions. [2021-10-29 04:29:21,385 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 94 transitions. [2021-10-29 04:29:21,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-29 04:29:21,387 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:21,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:21,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:21,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:29:21,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:21,735 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 29 proven. 13 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-10-29 04:29:21,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:21,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 52 states and 95 transitions. [2021-10-29 04:29:21,966 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 95 transitions. [2021-10-29 04:29:21,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-29 04:29:21,968 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:21,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:22,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:29:22,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:22,238 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-10-29 04:29:22,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:22,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 53 states and 98 transitions. [2021-10-29 04:29:22,444 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 98 transitions. [2021-10-29 04:29:22,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-29 04:29:22,445 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:22,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:22,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:29:22,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:23,350 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 28 proven. 19 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-10-29 04:29:24,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:24,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 55 states and 101 transitions. [2021-10-29 04:29:24,990 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 101 transitions. [2021-10-29 04:29:24,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-29 04:29:24,991 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:24,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:25,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:29:25,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:25,182 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-10-29 04:29:25,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:25,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 55 states and 100 transitions. [2021-10-29 04:29:25,383 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 100 transitions. [2021-10-29 04:29:25,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-10-29 04:29:25,384 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:25,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:25,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-29 04:29:25,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:26,011 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-10-29 04:29:27,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:27,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 58 states and 106 transitions. [2021-10-29 04:29:27,353 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 106 transitions. [2021-10-29 04:29:27,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-10-29 04:29:27,354 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:27,354 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:27,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 04:29:27,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:27,769 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 22 proven. 13 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-10-29 04:29:28,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:28,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 61 states and 112 transitions. [2021-10-29 04:29:28,425 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 112 transitions. [2021-10-29 04:29:28,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-10-29 04:29:28,426 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:28,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:28,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-29 04:29:28,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:29,033 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-10-29 04:29:29,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:29,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 62 states and 115 transitions. [2021-10-29 04:29:29,851 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 115 transitions. [2021-10-29 04:29:29,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-29 04:29:29,852 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:29,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:29,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-29 04:29:29,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:30,354 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-10-29 04:29:31,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:31,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 66 states and 122 transitions. [2021-10-29 04:29:31,232 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 122 transitions. [2021-10-29 04:29:31,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-29 04:29:31,234 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:31,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:31,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-29 04:29:31,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:31,712 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 26 proven. 7 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-10-29 04:29:32,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:32,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 68 states and 128 transitions. [2021-10-29 04:29:32,579 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 128 transitions. [2021-10-29 04:29:32,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-10-29 04:29:32,580 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:32,580 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:32,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-29 04:29:32,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:33,075 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 26 proven. 17 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-10-29 04:29:33,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:33,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 69 states and 130 transitions. [2021-10-29 04:29:33,711 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 130 transitions. [2021-10-29 04:29:33,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-10-29 04:29:33,712 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:33,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:33,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:29:33,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:34,020 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 55 proven. 13 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2021-10-29 04:29:34,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:34,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 70 states and 131 transitions. [2021-10-29 04:29:34,501 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 131 transitions. [2021-10-29 04:29:34,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-10-29 04:29:34,502 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:34,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:34,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-29 04:29:34,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:34,872 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 28 proven. 19 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-10-29 04:29:35,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:35,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 71 states and 134 transitions. [2021-10-29 04:29:35,156 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 134 transitions. [2021-10-29 04:29:35,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-10-29 04:29:35,157 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:35,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:35,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:29:35,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:35,396 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2021-10-29 04:29:35,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:35,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 71 states and 133 transitions. [2021-10-29 04:29:35,696 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 133 transitions. [2021-10-29 04:29:35,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-10-29 04:29:35,706 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:35,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:35,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-29 04:29:35,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:37,454 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 32 proven. 21 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-10-29 04:29:40,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:40,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 94 states and 176 transitions. [2021-10-29 04:29:40,155 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 176 transitions. [2021-10-29 04:29:40,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-10-29 04:29:40,157 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:40,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:40,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:40,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 25 conjunts are in the unsatisfiable core [2021-10-29 04:29:40,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:40,782 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 32 proven. 30 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-10-29 04:29:41,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:41,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 97 states and 182 transitions. [2021-10-29 04:29:41,842 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 182 transitions. [2021-10-29 04:29:41,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-10-29 04:29:41,843 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:41,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:41,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-29 04:29:41,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:42,616 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 34 proven. 21 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-10-29 04:29:43,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:43,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 98 states and 185 transitions. [2021-10-29 04:29:43,528 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 185 transitions. [2021-10-29 04:29:43,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-10-29 04:29:43,529 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:43,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:43,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 29 conjunts are in the unsatisfiable core [2021-10-29 04:29:43,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:44,324 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 34 proven. 33 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-10-29 04:29:45,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:45,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 102 states and 193 transitions. [2021-10-29 04:29:45,394 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 193 transitions. [2021-10-29 04:29:45,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-10-29 04:29:45,395 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:45,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:45,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-29 04:29:45,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:46,009 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 36 proven. 21 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-10-29 04:29:47,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:47,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 104 states and 197 transitions. [2021-10-29 04:29:47,047 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 197 transitions. [2021-10-29 04:29:47,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-10-29 04:29:47,048 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:47,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:47,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-29 04:29:47,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:47,708 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-10-29 04:29:48,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:48,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 105 states and 199 transitions. [2021-10-29 04:29:48,538 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 199 transitions. [2021-10-29 04:29:48,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-10-29 04:29:48,539 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:48,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:48,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:48,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 04:29:48,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:49,127 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 38 proven. 39 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-10-29 04:29:49,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:49,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 106 states and 202 transitions. [2021-10-29 04:29:49,551 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 202 transitions. [2021-10-29 04:29:49,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-10-29 04:29:49,552 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:49,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:49,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:49,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:29:49,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:49,859 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 99 proven. 13 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2021-10-29 04:29:50,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:50,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 106 states and 201 transitions. [2021-10-29 04:29:50,303 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 201 transitions. [2021-10-29 04:29:50,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-10-29 04:29:50,304 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:50,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:50,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-29 04:29:50,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:51,384 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-10-29 04:29:53,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:53,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 109 states and 207 transitions. [2021-10-29 04:29:53,547 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 207 transitions. [2021-10-29 04:29:53,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-10-29 04:29:53,548 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:53,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:53,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-29 04:29:53,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:54,326 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 42 proven. 54 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-10-29 04:29:55,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:55,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 112 states and 213 transitions. [2021-10-29 04:29:55,457 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 213 transitions. [2021-10-29 04:29:55,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-29 04:29:55,458 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:55,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:55,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-29 04:29:55,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:56,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 44 proven. 42 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-10-29 04:29:58,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:29:58,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 113 states and 216 transitions. [2021-10-29 04:29:58,101 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 216 transitions. [2021-10-29 04:29:58,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-10-29 04:29:58,102 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:29:58,102 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:29:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:29:58,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-29 04:29:58,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:29:59,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 44 proven. 58 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-10-29 04:30:00,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:00,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 117 states and 223 transitions. [2021-10-29 04:30:00,390 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 223 transitions. [2021-10-29 04:30:00,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-10-29 04:30:00,391 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:00,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:00,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:00,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-29 04:30:00,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:30:01,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 46 proven. 42 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2021-10-29 04:30:02,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:02,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 119 states and 227 transitions. [2021-10-29 04:30:02,962 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 227 transitions. [2021-10-29 04:30:02,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-10-29 04:30:02,963 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:02,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:03,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 32 conjunts are in the unsatisfiable core [2021-10-29 04:30:03,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:30:03,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 46 proven. 62 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2021-10-29 04:30:05,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:05,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 120 states and 230 transitions. [2021-10-29 04:30:05,140 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 230 transitions. [2021-10-29 04:30:05,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-29 04:30:05,141 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:05,141 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:05,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-29 04:30:05,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:30:05,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1218 backedges. 48 proven. 66 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-10-29 04:30:06,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:06,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 122 states and 235 transitions. [2021-10-29 04:30:06,808 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 235 transitions. [2021-10-29 04:30:06,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-10-29 04:30:06,809 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:06,809 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:06,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:30:06,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:30:07,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 129 proven. 13 refuted. 0 times theorem prover too weak. 1178 trivial. 0 not checked. [2021-10-29 04:30:07,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:07,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 122 states and 234 transitions. [2021-10-29 04:30:07,683 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 234 transitions. [2021-10-29 04:30:07,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-10-29 04:30:07,685 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:07,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:07,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:07,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 34 conjunts are in the unsatisfiable core [2021-10-29 04:30:07,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:30:09,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1422 backedges. 52 proven. 70 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-10-29 04:30:11,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:11,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 125 states and 240 transitions. [2021-10-29 04:30:11,970 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 240 transitions. [2021-10-29 04:30:11,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-10-29 04:30:11,971 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:11,972 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:12,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-29 04:30:12,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:30:12,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1437 backedges. 52 proven. 85 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-10-29 04:30:14,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:14,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 128 states and 246 transitions. [2021-10-29 04:30:14,508 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 246 transitions. [2021-10-29 04:30:14,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-10-29 04:30:14,509 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:14,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:14,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-29 04:30:14,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:30:15,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1528 backedges. 54 proven. 70 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-10-29 04:30:17,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:17,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 129 states and 249 transitions. [2021-10-29 04:30:17,768 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 249 transitions. [2021-10-29 04:30:17,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-10-29 04:30:17,770 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:17,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:17,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 45 conjunts are in the unsatisfiable core [2021-10-29 04:30:17,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:30:18,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1548 backedges. 54 proven. 90 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-10-29 04:30:20,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:20,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 133 states and 257 transitions. [2021-10-29 04:30:20,598 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 257 transitions. [2021-10-29 04:30:20,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-10-29 04:30:20,600 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:20,600 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:20,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 43 conjunts are in the unsatisfiable core [2021-10-29 04:30:20,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:30:21,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1638 backedges. 56 proven. 70 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-10-29 04:30:23,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:23,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 135 states and 261 transitions. [2021-10-29 04:30:23,651 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 261 transitions. [2021-10-29 04:30:23,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-10-29 04:30:23,652 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:23,652 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:23,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 39 conjunts are in the unsatisfiable core [2021-10-29 04:30:23,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:30:25,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1663 backedges. 56 proven. 95 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-10-29 04:30:27,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:27,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 136 states and 262 transitions. [2021-10-29 04:30:27,074 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 262 transitions. [2021-10-29 04:30:27,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-10-29 04:30:27,076 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:27,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:27,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-29 04:30:27,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:30:27,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1782 backedges. 58 proven. 100 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2021-10-29 04:30:28,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:28,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 137 states and 265 transitions. [2021-10-29 04:30:28,655 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 265 transitions. [2021-10-29 04:30:28,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-10-29 04:30:28,656 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:28,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:28,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:28,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:30:28,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:30:29,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1905 backedges. 159 proven. 13 refuted. 0 times theorem prover too weak. 1733 trivial. 0 not checked. [2021-10-29 04:30:29,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:29,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 137 states and 264 transitions. [2021-10-29 04:30:29,994 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 264 transitions. [2021-10-29 04:30:29,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-10-29 04:30:29,996 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:29,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:30,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 40 conjunts are in the unsatisfiable core [2021-10-29 04:30:30,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:30:31,561 INFO L134 CoverageAnalysis]: Checked inductivity of 2027 backedges. 62 proven. 105 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2021-10-29 04:30:35,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:35,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 140 states and 270 transitions. [2021-10-29 04:30:35,147 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 270 transitions. [2021-10-29 04:30:35,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-10-29 04:30:35,149 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:35,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:35,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 43 conjunts are in the unsatisfiable core [2021-10-29 04:30:35,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:30:36,540 INFO L134 CoverageAnalysis]: Checked inductivity of 2045 backedges. 62 proven. 123 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2021-10-29 04:30:38,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:38,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 143 states and 276 transitions. [2021-10-29 04:30:38,542 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 276 transitions. [2021-10-29 04:30:38,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-10-29 04:30:38,543 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:38,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:38,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 40 conjunts are in the unsatisfiable core [2021-10-29 04:30:38,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:30:40,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2153 backedges. 64 proven. 105 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2021-10-29 04:30:42,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:42,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 144 states and 279 transitions. [2021-10-29 04:30:42,916 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 279 transitions. [2021-10-29 04:30:42,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-10-29 04:30:42,917 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:42,917 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:43,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:43,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 53 conjunts are in the unsatisfiable core [2021-10-29 04:30:43,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:30:44,406 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 64 proven. 129 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2021-10-29 04:30:46,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:46,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 148 states and 287 transitions. [2021-10-29 04:30:46,574 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 287 transitions. [2021-10-29 04:30:46,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-10-29 04:30:46,575 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:46,575 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:46,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:46,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 51 conjunts are in the unsatisfiable core [2021-10-29 04:30:46,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:30:48,078 INFO L134 CoverageAnalysis]: Checked inductivity of 2283 backedges. 66 proven. 105 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2021-10-29 04:30:53,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:30:53,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 150 states and 291 transitions. [2021-10-29 04:30:53,739 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 291 transitions. [2021-10-29 04:30:53,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-10-29 04:30:53,740 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:30:53,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:30:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:30:53,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 45 conjunts are in the unsatisfiable core [2021-10-29 04:30:53,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:30:55,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 66 proven. 135 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2021-10-29 04:31:09,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:31:09,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 151 states and 292 transitions. [2021-10-29 04:31:09,189 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 292 transitions. [2021-10-29 04:31:09,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-10-29 04:31:09,190 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:31:09,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:31:09,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:31:09,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-29 04:31:09,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:31:10,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2453 backedges. 68 proven. 141 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2021-10-29 04:31:11,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:31:11,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 152 states and 295 transitions. [2021-10-29 04:31:11,326 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 295 transitions. [2021-10-29 04:31:11,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-10-29 04:31:11,327 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:31:11,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:31:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:31:11,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:31:11,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:31:11,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2597 backedges. 189 proven. 13 refuted. 0 times theorem prover too weak. 2395 trivial. 0 not checked. [2021-10-29 04:31:12,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:31:12,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 152 states and 294 transitions. [2021-10-29 04:31:12,817 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 294 transitions. [2021-10-29 04:31:12,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-10-29 04:31:12,818 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:31:12,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:31:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:31:12,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 33 conjunts are in the unsatisfiable core [2021-10-29 04:31:12,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:31:14,659 INFO L134 CoverageAnalysis]: Checked inductivity of 2739 backedges. 72 proven. 147 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2021-10-29 04:31:19,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:31:19,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 155 states and 300 transitions. [2021-10-29 04:31:19,236 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 300 transitions. [2021-10-29 04:31:19,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-10-29 04:31:19,237 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:31:19,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:31:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:31:19,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 49 conjunts are in the unsatisfiable core [2021-10-29 04:31:19,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:31:20,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2760 backedges. 72 proven. 168 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2021-10-29 04:31:22,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:31:22,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 158 states and 305 transitions. [2021-10-29 04:31:22,637 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 305 transitions. [2021-10-29 04:31:22,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-10-29 04:31:22,639 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:31:22,639 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:31:22,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:31:22,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 47 conjunts are in the unsatisfiable core [2021-10-29 04:31:22,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:31:24,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2885 backedges. 74 proven. 147 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-10-29 04:31:26,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:31:26,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 159 states and 307 transitions. [2021-10-29 04:31:26,144 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 307 transitions. [2021-10-29 04:31:26,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-10-29 04:31:26,145 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:31:26,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:31:26,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:31:26,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 61 conjunts are in the unsatisfiable core [2021-10-29 04:31:26,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:31:27,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-10-29 04:31:30,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:31:30,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 160 states and 310 transitions. [2021-10-29 04:31:30,212 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 310 transitions. [2021-10-29 04:31:30,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-10-29 04:31:30,214 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:31:30,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:31:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:31:30,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 59 conjunts are in the unsatisfiable core [2021-10-29 04:31:30,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:31:32,196 INFO L134 CoverageAnalysis]: Checked inductivity of 3035 backedges. 76 proven. 147 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2021-10-29 04:31:38,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:31:38,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 161 states and 312 transitions. [2021-10-29 04:31:38,099 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 312 transitions. [2021-10-29 04:31:38,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-10-29 04:31:38,100 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:31:38,101 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:31:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:31:38,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 50 conjunts are in the unsatisfiable core [2021-10-29 04:31:38,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:31:40,085 INFO L134 CoverageAnalysis]: Checked inductivity of 3070 backedges. 76 proven. 182 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2021-10-29 04:31:53,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:31:53,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 162 states and 314 transitions. [2021-10-29 04:31:53,204 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 314 transitions. [2021-10-29 04:31:53,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-10-29 04:31:53,205 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:31:53,205 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:31:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:31:53,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-29 04:31:53,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:31:54,707 INFO L134 CoverageAnalysis]: Checked inductivity of 3231 backedges. 78 proven. 189 refuted. 0 times theorem prover too weak. 2964 trivial. 0 not checked. [2021-10-29 04:31:56,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:31:56,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 164 states and 319 transitions. [2021-10-29 04:31:56,605 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 319 transitions. [2021-10-29 04:31:56,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-10-29 04:31:56,606 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:31:56,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:31:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:31:56,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:31:56,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:31:57,133 INFO L134 CoverageAnalysis]: Checked inductivity of 3396 backedges. 219 proven. 13 refuted. 0 times theorem prover too weak. 3164 trivial. 0 not checked. [2021-10-29 04:31:57,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:31:57,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 164 states and 318 transitions. [2021-10-29 04:31:57,907 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 318 transitions. [2021-10-29 04:31:57,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-10-29 04:31:57,909 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:31:57,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:31:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:31:58,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-29 04:31:58,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:31:59,294 INFO L134 CoverageAnalysis]: Checked inductivity of 3558 backedges. 82 proven. 196 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2021-10-29 04:32:03,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:32:03,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 167 states and 324 transitions. [2021-10-29 04:32:03,981 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 324 transitions. [2021-10-29 04:32:03,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-10-29 04:32:03,982 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:32:03,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:32:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:32:04,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 55 conjunts are in the unsatisfiable core [2021-10-29 04:32:04,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:32:05,905 INFO L134 CoverageAnalysis]: Checked inductivity of 3582 backedges. 82 proven. 220 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2021-10-29 04:32:08,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:32:08,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 170 states and 329 transitions. [2021-10-29 04:32:08,550 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 329 transitions. [2021-10-29 04:32:08,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-10-29 04:32:08,552 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:32:08,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:32:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:32:08,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 52 conjunts are in the unsatisfiable core [2021-10-29 04:32:08,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:32:11,138 INFO L134 CoverageAnalysis]: Checked inductivity of 3724 backedges. 84 proven. 196 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2021-10-29 04:32:15,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:32:15,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 171 states and 332 transitions. [2021-10-29 04:32:15,030 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 332 transitions. [2021-10-29 04:32:15,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-10-29 04:32:15,031 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:32:15,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:32:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:32:15,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 69 conjunts are in the unsatisfiable core [2021-10-29 04:32:15,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:32:17,316 INFO L134 CoverageAnalysis]: Checked inductivity of 3756 backedges. 84 proven. 228 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2021-10-29 04:32:20,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:32:20,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 172 states and 335 transitions. [2021-10-29 04:32:20,208 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 335 transitions. [2021-10-29 04:32:20,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-10-29 04:32:20,209 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:32:20,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:32:20,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:32:20,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 67 conjunts are in the unsatisfiable core [2021-10-29 04:32:20,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:32:22,220 INFO L134 CoverageAnalysis]: Checked inductivity of 3894 backedges. 86 proven. 196 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2021-10-29 04:32:28,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:32:28,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 174 states and 339 transitions. [2021-10-29 04:32:28,102 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 339 transitions. [2021-10-29 04:32:28,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-10-29 04:32:28,103 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:32:28,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:32:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:32:28,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 57 conjunts are in the unsatisfiable core [2021-10-29 04:32:28,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:32:30,856 INFO L134 CoverageAnalysis]: Checked inductivity of 3934 backedges. 86 proven. 236 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2021-10-29 04:32:35,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:32:35,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 175 states and 340 transitions. [2021-10-29 04:32:35,557 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 340 transitions. [2021-10-29 04:32:35,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-10-29 04:32:35,558 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:32:35,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:32:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:32:35,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 39 conjunts are in the unsatisfiable core [2021-10-29 04:32:35,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:32:37,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4116 backedges. 88 proven. 244 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2021-10-29 04:32:38,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:32:38,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 176 states and 343 transitions. [2021-10-29 04:32:38,358 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 343 transitions. [2021-10-29 04:32:38,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-10-29 04:32:38,360 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:32:38,360 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:32:38,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:32:38,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:32:38,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:32:39,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4302 backedges. 249 proven. 13 refuted. 0 times theorem prover too weak. 4040 trivial. 0 not checked. [2021-10-29 04:32:40,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:32:40,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 176 states and 342 transitions. [2021-10-29 04:32:40,079 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 342 transitions. [2021-10-29 04:32:40,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-10-29 04:32:40,080 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:32:40,081 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:32:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:32:40,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 41 conjunts are in the unsatisfiable core [2021-10-29 04:32:40,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:32:41,612 INFO L134 CoverageAnalysis]: Checked inductivity of 4484 backedges. 92 proven. 252 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2021-10-29 04:32:47,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:32:47,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 179 states and 348 transitions. [2021-10-29 04:32:47,219 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 348 transitions. [2021-10-29 04:32:47,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-10-29 04:32:47,220 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:32:47,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:32:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:32:47,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 61 conjunts are in the unsatisfiable core [2021-10-29 04:32:47,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:32:49,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4511 backedges. 92 proven. 279 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2021-10-29 04:32:53,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:32:53,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 182 states and 353 transitions. [2021-10-29 04:32:53,060 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 353 transitions. [2021-10-29 04:32:53,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-10-29 04:32:53,062 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:32:53,062 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:32:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:32:53,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 59 conjunts are in the unsatisfiable core [2021-10-29 04:32:53,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:32:55,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4670 backedges. 94 proven. 252 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2021-10-29 04:32:58,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:32:58,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 183 states and 355 transitions. [2021-10-29 04:32:58,326 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 355 transitions. [2021-10-29 04:32:58,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-10-29 04:32:58,327 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:32:58,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:32:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:32:58,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 77 conjunts are in the unsatisfiable core [2021-10-29 04:32:58,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:33:01,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4706 backedges. 94 proven. 288 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2021-10-29 04:33:04,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:33:04,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 184 states and 359 transitions. [2021-10-29 04:33:04,597 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 359 transitions. [2021-10-29 04:33:04,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-10-29 04:33:04,598 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:33:04,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:33:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:33:04,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 75 conjunts are in the unsatisfiable core [2021-10-29 04:33:04,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:33:07,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4860 backedges. 96 proven. 252 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2021-10-29 04:33:12,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:33:12,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 185 states and 361 transitions. [2021-10-29 04:33:12,331 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 361 transitions. [2021-10-29 04:33:12,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-10-29 04:33:12,333 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:33:12,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:33:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:33:12,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 63 conjunts are in the unsatisfiable core [2021-10-29 04:33:12,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:33:15,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4905 backedges. 96 proven. 297 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2021-10-29 04:33:26,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:33:26,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 186 states and 361 transitions. [2021-10-29 04:33:26,401 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 361 transitions. [2021-10-29 04:33:26,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-10-29 04:33:26,403 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:33:26,403 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:33:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:33:26,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 43 conjunts are in the unsatisfiable core [2021-10-29 04:33:26,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:33:27,934 INFO L134 CoverageAnalysis]: Checked inductivity of 5108 backedges. 98 proven. 306 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2021-10-29 04:33:29,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:33:29,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 187 states and 364 transitions. [2021-10-29 04:33:29,503 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 364 transitions. [2021-10-29 04:33:29,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-10-29 04:33:29,505 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:33:29,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:33:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:33:29,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:33:29,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:33:30,196 INFO L134 CoverageAnalysis]: Checked inductivity of 5315 backedges. 279 proven. 13 refuted. 0 times theorem prover too weak. 5023 trivial. 0 not checked. [2021-10-29 04:33:31,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:33:31,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 187 states and 363 transitions. [2021-10-29 04:33:31,271 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 363 transitions. [2021-10-29 04:33:31,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-10-29 04:33:31,272 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:33:31,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:33:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:33:31,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 45 conjunts are in the unsatisfiable core [2021-10-29 04:33:31,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:33:33,000 INFO L134 CoverageAnalysis]: Checked inductivity of 5517 backedges. 102 proven. 315 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2021-10-29 04:33:39,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:33:39,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 190 states and 369 transitions. [2021-10-29 04:33:39,459 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 369 transitions. [2021-10-29 04:33:39,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-10-29 04:33:39,460 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:33:39,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:33:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:33:39,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 67 conjunts are in the unsatisfiable core [2021-10-29 04:33:39,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:33:42,307 INFO L134 CoverageAnalysis]: Checked inductivity of 5547 backedges. 102 proven. 345 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2021-10-29 04:33:45,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:33:45,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 193 states and 374 transitions. [2021-10-29 04:33:45,974 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 374 transitions. [2021-10-29 04:33:45,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-10-29 04:33:45,975 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:33:45,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:33:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:33:46,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 64 conjunts are in the unsatisfiable core [2021-10-29 04:33:46,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:33:50,431 INFO L134 CoverageAnalysis]: Checked inductivity of 5723 backedges. 104 proven. 315 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2021-10-29 04:33:56,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:33:56,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 194 states and 377 transitions. [2021-10-29 04:33:56,390 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 377 transitions. [2021-10-29 04:33:56,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2021-10-29 04:33:56,391 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:33:56,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:33:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:33:56,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 85 conjunts are in the unsatisfiable core [2021-10-29 04:33:56,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:33:59,774 INFO L134 CoverageAnalysis]: Checked inductivity of 5763 backedges. 104 proven. 355 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2021-10-29 04:34:04,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:34:04,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 195 states and 380 transitions. [2021-10-29 04:34:04,476 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 380 transitions. [2021-10-29 04:34:04,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-10-29 04:34:04,478 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:34:04,478 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:34:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:34:04,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 83 conjunts are in the unsatisfiable core [2021-10-29 04:34:04,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:34:07,744 INFO L134 CoverageAnalysis]: Checked inductivity of 5933 backedges. 106 proven. 315 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2021-10-29 04:34:14,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:34:14,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 197 states and 384 transitions. [2021-10-29 04:34:14,952 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 384 transitions. [2021-10-29 04:34:14,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-10-29 04:34:14,954 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:34:14,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:34:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:34:15,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 68 conjunts are in the unsatisfiable core [2021-10-29 04:34:15,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:36:04,406 INFO L134 CoverageAnalysis]: Checked inductivity of 5983 backedges. 106 proven. 365 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2021-10-29 04:37:48,619 WARN L207 SmtUtils]: Spent 10.04 s on a formula simplification that was a NOOP. DAG size: 48 [2021-10-29 04:39:44,579 WARN L207 SmtUtils]: Spent 20.43 s on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2021-10-29 04:42:22,932 WARN L228 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2021-10-29 04:42:22,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2021-10-29 04:42:22,939 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:260) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:626) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:174) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:140) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeChecker.conjugatePredicates(CodeChecker.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.splitNode(UltimateChecker.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.codeCheck(UltimateChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:476) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:237) ... 35 more [2021-10-29 04:42:22,943 INFO L168 Benchmark]: Toolchain (without parser) took 788214.99 ms. Allocated memory was 92.3 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 70.9 MB in the beginning and 788.8 MB in the end (delta: -718.0 MB). Peak memory consumption was 795.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:42:22,944 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 92.3 MB. Free memory was 66.4 MB in the beginning and 66.4 MB in the end (delta: 42.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:42:22,944 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.06 ms. Allocated memory is still 92.3 MB. Free memory was 70.7 MB in the beginning and 67.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:42:22,945 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.79 ms. Allocated memory is still 92.3 MB. Free memory was 67.3 MB in the beginning and 66.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:42:22,945 INFO L168 Benchmark]: Boogie Preprocessor took 21.28 ms. Allocated memory is still 92.3 MB. Free memory was 65.8 MB in the beginning and 64.8 MB in the end (delta: 955.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:42:22,946 INFO L168 Benchmark]: RCFGBuilder took 332.46 ms. Allocated memory is still 92.3 MB. Free memory was 64.8 MB in the beginning and 53.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:42:22,946 INFO L168 Benchmark]: CodeCheck took 787565.42 ms. Allocated memory was 92.3 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 53.5 MB in the beginning and 788.8 MB in the end (delta: -735.4 MB). Peak memory consumption was 780.0 MB. Max. memory is 16.1 GB. [2021-10-29 04:42:22,949 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 92.3 MB. Free memory was 66.4 MB in the beginning and 66.4 MB in the end (delta: 42.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 258.06 ms. Allocated memory is still 92.3 MB. Free memory was 70.7 MB in the beginning and 67.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.79 ms. Allocated memory is still 92.3 MB. Free memory was 67.3 MB in the beginning and 66.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.28 ms. Allocated memory is still 92.3 MB. Free memory was 65.8 MB in the beginning and 64.8 MB in the end (delta: 955.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 332.46 ms. Allocated memory is still 92.3 MB. Free memory was 64.8 MB in the beginning and 53.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 787565.42 ms. Allocated memory was 92.3 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 53.5 MB in the beginning and 788.8 MB in the end (delta: -735.4 MB). Peak memory consumption was 780.0 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:42:25,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:42:25,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:42:25,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:42:25,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:42:25,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:42:25,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:42:25,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:42:25,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:42:25,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:42:25,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:42:25,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:42:25,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:42:25,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:42:25,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:42:25,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:42:25,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:42:25,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:42:25,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:42:25,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:42:25,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:42:25,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:42:25,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:42:25,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:42:25,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:42:25,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:42:25,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:42:25,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:42:25,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:42:25,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:42:25,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:42:25,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:42:25,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:42:25,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:42:25,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:42:25,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:42:25,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:42:25,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:42:25,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:42:25,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:42:25,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:42:25,439 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-10-29 04:42:25,486 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:42:25,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:42:25,488 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:42:25,488 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:42:25,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:42:25,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:42:25,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:42:25,491 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:42:25,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:42:25,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:42:25,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:42:25,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:42:25,493 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:42:25,493 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:42:25,493 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 04:42:25,493 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 04:42:25,493 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:42:25,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:42:25,494 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:42:25,494 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:42:25,494 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:42:25,494 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:42:25,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:42:25,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:42:25,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:42:25,495 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:42:25,496 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:42:25,496 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 04:42:25,496 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 04:42:25,496 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:42:25,497 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-10-29 04:42:25,497 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:42:25,497 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf57d72e341b105161cbeacf29e58db93d2b67f8e0e097e4dbed74551cbdcfff [2021-10-29 04:42:25,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:42:25,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:42:25,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:42:25,974 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:42:25,975 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:42:25,977 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench/cohencu-ll.c [2021-10-29 04:42:26,058 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/data/bf9414c85/568cb6f61e0948f78eb9282509bdd1c9/FLAG47df67208 [2021-10-29 04:42:26,605 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:42:26,609 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/sv-benchmarks/c/nla-digbench/cohencu-ll.c [2021-10-29 04:42:26,618 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/data/bf9414c85/568cb6f61e0948f78eb9282509bdd1c9/FLAG47df67208 [2021-10-29 04:42:26,973 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/data/bf9414c85/568cb6f61e0948f78eb9282509bdd1c9 [2021-10-29 04:42:26,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:42:26,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:42:26,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:42:26,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:42:26,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:42:26,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:42:26" (1/1) ... [2021-10-29 04:42:26,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79877217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:26, skipping insertion in model container [2021-10-29 04:42:26,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:42:26" (1/1) ... [2021-10-29 04:42:26,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:42:27,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:42:27,170 WARN L228 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_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/sv-benchmarks/c/nla-digbench/cohencu-ll.c[588,601] [2021-10-29 04:42:27,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:42:27,212 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:42:27,226 WARN L228 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_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/sv-benchmarks/c/nla-digbench/cohencu-ll.c[588,601] [2021-10-29 04:42:27,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:42:27,285 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:42:27,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:27 WrapperNode [2021-10-29 04:42:27,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:42:27,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:42:27,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:42:27,291 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:42:27,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:27" (1/1) ... [2021-10-29 04:42:27,340 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:27" (1/1) ... [2021-10-29 04:42:27,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:42:27,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:42:27,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:42:27,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:42:27,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:27" (1/1) ... [2021-10-29 04:42:27,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:27" (1/1) ... [2021-10-29 04:42:27,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:27" (1/1) ... [2021-10-29 04:42:27,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:27" (1/1) ... [2021-10-29 04:42:27,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:27" (1/1) ... [2021-10-29 04:42:27,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:27" (1/1) ... [2021-10-29 04:42:27,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:27" (1/1) ... [2021-10-29 04:42:27,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:42:27,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:42:27,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:42:27,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:42:27,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:27" (1/1) ... [2021-10-29 04:42:27,419 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:42:27,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:42:27,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:42:27,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:42:27,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 04:42:27,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:42:27,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:42:27,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:42:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 04:42:27,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 04:42:27,916 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:42:27,916 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 04:42:27,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:42:27 BoogieIcfgContainer [2021-10-29 04:42:27,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:42:27,936 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:42:27,936 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:42:27,947 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:42:27,947 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:42:27" (1/1) ... [2021-10-29 04:42:27,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:42:28,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:42:28,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2021-10-29 04:42:28,017 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2021-10-29 04:42:28,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:42:28,019 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:42:28,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:42:28,067 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:444) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-29 04:42:28,072 INFO L168 Benchmark]: Toolchain (without parser) took 1093.02 ms. Allocated memory is still 79.7 MB. Free memory was 44.2 MB in the beginning and 43.5 MB in the end (delta: 752.1 kB). Peak memory consumption was 1.7 MB. Max. memory is 16.1 GB. [2021-10-29 04:42:28,074 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 79.7 MB. Free memory was 60.7 MB in the beginning and 60.7 MB in the end (delta: 72.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:42:28,075 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.23 ms. Allocated memory is still 79.7 MB. Free memory was 44.0 MB in the beginning and 64.2 MB in the end (delta: -20.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:42:28,076 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.36 ms. Allocated memory is still 79.7 MB. Free memory was 64.0 MB in the beginning and 62.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:42:28,076 INFO L168 Benchmark]: Boogie Preprocessor took 27.31 ms. Allocated memory is still 79.7 MB. Free memory was 62.4 MB in the beginning and 61.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:42:28,077 INFO L168 Benchmark]: RCFGBuilder took 533.52 ms. Allocated memory is still 79.7 MB. Free memory was 61.1 MB in the beginning and 48.8 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:42:28,078 INFO L168 Benchmark]: CodeCheck took 133.84 ms. Allocated memory is still 79.7 MB. Free memory was 48.5 MB in the beginning and 43.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 04:42:28,082 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 79.7 MB. Free memory was 60.7 MB in the beginning and 60.7 MB in the end (delta: 72.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 306.23 ms. Allocated memory is still 79.7 MB. Free memory was 44.0 MB in the beginning and 64.2 MB in the end (delta: -20.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.36 ms. Allocated memory is still 79.7 MB. Free memory was 64.0 MB in the beginning and 62.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.31 ms. Allocated memory is still 79.7 MB. Free memory was 62.4 MB in the beginning and 61.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 533.52 ms. Allocated memory is still 79.7 MB. Free memory was 61.1 MB in the beginning and 48.8 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 133.84 ms. Allocated memory is still 79.7 MB. Free memory was 48.5 MB in the beginning and 43.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-29 04:42:28,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0acf094a-38e2-4b33-801e-4f4dbf9ca56f/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...