./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862933a8-7924-4d1e-9cde-e57d2c2548bb/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862933a8-7924-4d1e-9cde-e57d2c2548bb/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862933a8-7924-4d1e-9cde-e57d2c2548bb/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862933a8-7924-4d1e-9cde-e57d2c2548bb/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862933a8-7924-4d1e-9cde-e57d2c2548bb/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862933a8-7924-4d1e-9cde-e57d2c2548bb/bin/ukojak-vF6T2TMglN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad8e21886f5f45a7c58400298498a881b4f628bf6fff913be81ab14cf250dd19 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 04:54:19,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 04:54:19,539 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 04:54:19,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 04:54:19,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 04:54:19,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 04:54:19,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 04:54:19,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 04:54:19,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 04:54:19,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 04:54:19,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 04:54:19,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 04:54:19,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 04:54:19,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 04:54:19,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 04:54:19,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 04:54:19,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 04:54:19,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 04:54:19,622 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 04:54:19,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 04:54:19,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 04:54:19,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 04:54:19,636 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 04:54:19,637 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 04:54:19,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 04:54:19,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 04:54:19,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 04:54:19,649 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 04:54:19,650 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 04:54:19,651 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 04:54:19,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 04:54:19,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 04:54:19,655 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 04:54:19,656 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 04:54:19,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 04:54:19,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 04:54:19,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 04:54:19,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 04:54:19,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 04:54:19,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 04:54:19,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 04:54:19,662 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862933a8-7924-4d1e-9cde-e57d2c2548bb/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 04:54:19,710 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 04:54:19,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 04:54:19,714 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 04:54:19,714 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 04:54:19,715 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 04:54:19,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 04:54:19,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 04:54:19,716 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 04:54:19,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 04:54:19,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 04:54:19,724 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 04:54:19,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 04:54:19,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 04:54:19,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 04:54:19,725 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 04:54:19,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 04:54:19,725 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 04:54:19,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 04:54:19,726 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 04:54:19,726 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 04:54:19,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 04:54:19,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:54:19,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 04:54:19,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 04:54:19,727 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 04:54:19,727 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 04:54:19,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 04:54:19,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 04:54:19,728 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_862933a8-7924-4d1e-9cde-e57d2c2548bb/bin/ukojak-vF6T2TMglN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862933a8-7924-4d1e-9cde-e57d2c2548bb/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad8e21886f5f45a7c58400298498a881b4f628bf6fff913be81ab14cf250dd19 [2021-11-21 04:54:20,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 04:54:20,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 04:54:20,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 04:54:20,054 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 04:54:20,054 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 04:54:20,056 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862933a8-7924-4d1e-9cde-e57d2c2548bb/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/loop-invgen/apache-get-tag.i [2021-11-21 04:54:20,150 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862933a8-7924-4d1e-9cde-e57d2c2548bb/bin/ukojak-vF6T2TMglN/data/ce542af2c/30b2b302285e4ac897b74d5feae8202f/FLAGeae11a4da [2021-11-21 04:54:20,650 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 04:54:20,653 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862933a8-7924-4d1e-9cde-e57d2c2548bb/sv-benchmarks/c/loop-invgen/apache-get-tag.i [2021-11-21 04:54:20,665 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862933a8-7924-4d1e-9cde-e57d2c2548bb/bin/ukojak-vF6T2TMglN/data/ce542af2c/30b2b302285e4ac897b74d5feae8202f/FLAGeae11a4da [2021-11-21 04:54:21,014 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862933a8-7924-4d1e-9cde-e57d2c2548bb/bin/ukojak-vF6T2TMglN/data/ce542af2c/30b2b302285e4ac897b74d5feae8202f [2021-11-21 04:54:21,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 04:54:21,019 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 04:54:21,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 04:54:21,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 04:54:21,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 04:54:21,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:54:21" (1/1) ... [2021-11-21 04:54:21,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@288177c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:21, skipping insertion in model container [2021-11-21 04:54:21,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:54:21" (1/1) ... [2021-11-21 04:54:21,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 04:54:21,055 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 04:54:21,219 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862933a8-7924-4d1e-9cde-e57d2c2548bb/sv-benchmarks/c/loop-invgen/apache-get-tag.i[893,906] [2021-11-21 04:54:21,235 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:54:21,243 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 04:54:21,253 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862933a8-7924-4d1e-9cde-e57d2c2548bb/sv-benchmarks/c/loop-invgen/apache-get-tag.i[893,906] [2021-11-21 04:54:21,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:54:21,274 INFO L208 MainTranslator]: Completed translation [2021-11-21 04:54:21,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:21 WrapperNode [2021-11-21 04:54:21,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 04:54:21,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 04:54:21,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 04:54:21,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 04:54:21,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:21" (1/1) ... [2021-11-21 04:54:21,305 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:21" (1/1) ... [2021-11-21 04:54:21,326 INFO L137 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 83 [2021-11-21 04:54:21,327 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 04:54:21,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 04:54:21,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 04:54:21,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 04:54:21,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:21" (1/1) ... [2021-11-21 04:54:21,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:21" (1/1) ... [2021-11-21 04:54:21,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:21" (1/1) ... [2021-11-21 04:54:21,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:21" (1/1) ... [2021-11-21 04:54:21,341 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:21" (1/1) ... [2021-11-21 04:54:21,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:21" (1/1) ... [2021-11-21 04:54:21,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:21" (1/1) ... [2021-11-21 04:54:21,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 04:54:21,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 04:54:21,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 04:54:21,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 04:54:21,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:21" (1/1) ... [2021-11-21 04:54:21,381 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:54:21,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862933a8-7924-4d1e-9cde-e57d2c2548bb/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 04:54:21,411 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862933a8-7924-4d1e-9cde-e57d2c2548bb/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 04:54:21,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862933a8-7924-4d1e-9cde-e57d2c2548bb/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 04:54:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 04:54:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 04:54:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 04:54:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 04:54:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 04:54:21,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 04:54:21,531 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 04:54:21,533 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 04:54:21,656 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 04:54:21,676 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 04:54:21,677 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-21 04:54:21,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:54:21 BoogieIcfgContainer [2021-11-21 04:54:21,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 04:54:21,680 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 04:54:21,680 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 04:54:21,691 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 04:54:21,691 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:54:21" (1/1) ... [2021-11-21 04:54:21,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 04:54:21,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:21,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2021-11-21 04:54:21,756 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2021-11-21 04:54:21,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 04:54:21,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:21,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:21,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:21,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:54:21,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:21,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2021-11-21 04:54:21,989 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2021-11-21 04:54:21,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 04:54:21,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:21,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:22,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:54:22,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:22,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 44 states and 83 transitions. [2021-11-21 04:54:22,226 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 83 transitions. [2021-11-21 04:54:22,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 04:54:22,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:22,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:22,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:54:22,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:22,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 46 states and 85 transitions. [2021-11-21 04:54:22,353 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2021-11-21 04:54:22,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 04:54:22,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:22,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:22,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:54:22,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:22,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 85 transitions. [2021-11-21 04:54:22,430 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 85 transitions. [2021-11-21 04:54:22,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 04:54:22,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:22,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:22,516 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:54:22,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:22,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 87 transitions. [2021-11-21 04:54:22,747 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2021-11-21 04:54:22,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 04:54:22,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:22,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:22,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:54:22,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:22,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 54 states and 97 transitions. [2021-11-21 04:54:22,956 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 97 transitions. [2021-11-21 04:54:22,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 04:54:22,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:22,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:22,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:54:23,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:23,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 56 states and 101 transitions. [2021-11-21 04:54:23,013 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 101 transitions. [2021-11-21 04:54:23,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 04:54:23,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:23,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:23,035 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 04:54:23,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:23,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 100 transitions. [2021-11-21 04:54:23,044 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 100 transitions. [2021-11-21 04:54:23,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 04:54:23,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:23,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:23,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:23,122 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 04:54:23,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:23,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 109 transitions. [2021-11-21 04:54:23,199 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 109 transitions. [2021-11-21 04:54:23,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 04:54:23,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:23,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:23,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:23,243 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 04:54:23,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:23,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 61 states and 112 transitions. [2021-11-21 04:54:23,263 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 112 transitions. [2021-11-21 04:54:23,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 04:54:23,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:23,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:23,342 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 04:54:23,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:23,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 64 states and 120 transitions. [2021-11-21 04:54:23,366 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 120 transitions. [2021-11-21 04:54:23,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 04:54:23,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:23,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:23,429 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 04:54:23,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:23,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 65 states and 122 transitions. [2021-11-21 04:54:23,458 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 122 transitions. [2021-11-21 04:54:23,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 04:54:23,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:23,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:23,508 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 04:54:23,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:23,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 66 states and 123 transitions. [2021-11-21 04:54:23,524 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 123 transitions. [2021-11-21 04:54:23,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 04:54:23,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:23,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:23,581 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 04:54:23,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:23,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 67 states and 125 transitions. [2021-11-21 04:54:23,602 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 125 transitions. [2021-11-21 04:54:23,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 04:54:23,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:23,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:23,659 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 04:54:23,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:23,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 68 states and 126 transitions. [2021-11-21 04:54:23,718 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 126 transitions. [2021-11-21 04:54:23,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 04:54:23,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:23,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:23,929 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 04:54:24,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:24,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 72 states and 133 transitions. [2021-11-21 04:54:24,341 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 133 transitions. [2021-11-21 04:54:24,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 04:54:24,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:24,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:24,427 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 04:54:24,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:24,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 76 states and 139 transitions. [2021-11-21 04:54:24,570 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 139 transitions. [2021-11-21 04:54:24,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 04:54:24,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:24,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:24,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:24,653 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 04:54:24,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:24,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 83 states and 155 transitions. [2021-11-21 04:54:24,817 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 155 transitions. [2021-11-21 04:54:24,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 04:54:24,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:24,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:24,926 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 04:54:24,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:24,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 85 states and 160 transitions. [2021-11-21 04:54:24,964 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 160 transitions. [2021-11-21 04:54:24,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 04:54:24,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:24,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:25,087 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 04:54:25,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:25,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 86 states and 161 transitions. [2021-11-21 04:54:25,118 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 161 transitions. [2021-11-21 04:54:25,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 04:54:25,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:25,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:25,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:25,218 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 04:54:25,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:25,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 88 states and 166 transitions. [2021-11-21 04:54:25,253 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 166 transitions. [2021-11-21 04:54:25,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 04:54:25,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:25,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:25,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:25,300 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 04:54:25,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:25,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 91 states and 171 transitions. [2021-11-21 04:54:25,346 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 171 transitions. [2021-11-21 04:54:25,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 04:54:25,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:25,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:25,394 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 04:54:25,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:25,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 94 states and 177 transitions. [2021-11-21 04:54:25,654 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 177 transitions. [2021-11-21 04:54:25,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 04:54:25,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:25,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:25,679 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-21 04:54:25,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:25,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 98 states and 184 transitions. [2021-11-21 04:54:25,841 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 184 transitions. [2021-11-21 04:54:25,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 04:54:25,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:25,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:25,866 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-21 04:54:25,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:25,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 101 states and 190 transitions. [2021-11-21 04:54:25,974 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 190 transitions. [2021-11-21 04:54:25,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 04:54:25,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:25,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:25,997 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-21 04:54:26,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:26,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 102 states and 192 transitions. [2021-11-21 04:54:26,023 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 192 transitions. [2021-11-21 04:54:26,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 04:54:26,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:26,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:26,045 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 04:54:26,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:26,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 103 states and 193 transitions. [2021-11-21 04:54:26,154 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 193 transitions. [2021-11-21 04:54:26,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-21 04:54:26,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:26,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:26,177 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 04:54:26,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:26,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 104 states and 194 transitions. [2021-11-21 04:54:26,245 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 194 transitions. [2021-11-21 04:54:26,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 04:54:26,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:26,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:26,269 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 04:54:26,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:26,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 106 states and 198 transitions. [2021-11-21 04:54:26,312 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 198 transitions. [2021-11-21 04:54:26,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 04:54:26,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:26,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:26,333 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-21 04:54:26,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:26,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 106 states and 197 transitions. [2021-11-21 04:54:26,354 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 197 transitions. [2021-11-21 04:54:26,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 04:54:26,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:26,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:26,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:26,487 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-21 04:54:27,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:27,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 110 states and 205 transitions. [2021-11-21 04:54:27,112 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 205 transitions. [2021-11-21 04:54:27,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 04:54:27,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:27,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:27,139 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 27 proven. 5 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-21 04:54:27,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:27,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 113 states and 209 transitions. [2021-11-21 04:54:27,345 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 209 transitions. [2021-11-21 04:54:27,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 04:54:27,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:27,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:27,391 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 29 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-21 04:54:27,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:27,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 116 states and 210 transitions. [2021-11-21 04:54:27,571 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 210 transitions. [2021-11-21 04:54:27,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 04:54:27,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:27,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:27,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:27,612 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-21 04:54:27,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:27,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 121 states and 218 transitions. [2021-11-21 04:54:27,755 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 218 transitions. [2021-11-21 04:54:27,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 04:54:27,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:27,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:27,783 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-21 04:54:27,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:27,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 123 states and 221 transitions. [2021-11-21 04:54:27,836 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 221 transitions. [2021-11-21 04:54:27,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 04:54:27,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:27,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:27,865 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-21 04:54:27,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:27,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 124 states and 222 transitions. [2021-11-21 04:54:27,901 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 222 transitions. [2021-11-21 04:54:27,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 04:54:27,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:27,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:27,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:27,928 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-21 04:54:27,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:27,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 126 states and 225 transitions. [2021-11-21 04:54:27,974 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 225 transitions. [2021-11-21 04:54:27,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-21 04:54:27,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:27,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:28,000 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-21 04:54:28,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:28,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 129 states and 231 transitions. [2021-11-21 04:54:28,035 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 231 transitions. [2021-11-21 04:54:28,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-21 04:54:28,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:28,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:28,072 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-21 04:54:28,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:28,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 127 states and 226 transitions. [2021-11-21 04:54:28,087 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 226 transitions. [2021-11-21 04:54:28,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 04:54:28,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:28,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:28,108 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-21 04:54:28,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:28,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 128 states and 228 transitions. [2021-11-21 04:54:28,274 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 228 transitions. [2021-11-21 04:54:28,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 04:54:28,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:28,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:28,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:28,306 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-21 04:54:28,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:28,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 129 states and 230 transitions. [2021-11-21 04:54:28,343 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 230 transitions. [2021-11-21 04:54:28,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 04:54:28,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:28,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:28,398 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-21 04:54:28,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:28,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 130 states and 231 transitions. [2021-11-21 04:54:28,546 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 231 transitions. [2021-11-21 04:54:28,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 04:54:28,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:28,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:28,570 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-21 04:54:28,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:28,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 129 states and 228 transitions. [2021-11-21 04:54:28,693 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 228 transitions. [2021-11-21 04:54:28,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 04:54:28,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:28,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:28,716 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-21 04:54:28,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:28,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 123 states and 218 transitions. [2021-11-21 04:54:28,768 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 218 transitions. [2021-11-21 04:54:28,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 04:54:28,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:28,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:28,792 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-21 04:54:28,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:28,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 124 states and 219 transitions. [2021-11-21 04:54:28,838 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 219 transitions. [2021-11-21 04:54:28,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 04:54:28,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:28,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:28,861 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-21 04:54:28,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:28,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 118 states and 210 transitions. [2021-11-21 04:54:28,991 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 210 transitions. [2021-11-21 04:54:28,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 04:54:28,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:28,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:29,022 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-21 04:54:29,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:29,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 91 states and 147 transitions. [2021-11-21 04:54:29,070 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 147 transitions. [2021-11-21 04:54:29,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 04:54:29,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:29,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:29,103 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-11-21 04:54:29,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:29,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 89 states and 144 transitions. [2021-11-21 04:54:29,258 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 144 transitions. [2021-11-21 04:54:29,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-21 04:54:29,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:29,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:29,290 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 32 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-21 04:54:29,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:29,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 91 states and 148 transitions. [2021-11-21 04:54:29,317 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 148 transitions. [2021-11-21 04:54:29,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-21 04:54:29,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:29,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:29,344 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 44 proven. 5 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-11-21 04:54:29,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:29,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 83 states and 136 transitions. [2021-11-21 04:54:29,372 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 136 transitions. [2021-11-21 04:54:29,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 04:54:29,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:29,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:29,408 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 30 proven. 4 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-11-21 04:54:29,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:29,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 82 states and 134 transitions. [2021-11-21 04:54:29,434 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 134 transitions. [2021-11-21 04:54:29,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-21 04:54:29,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:29,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:29,462 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 30 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-11-21 04:54:29,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:29,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 64 states and 108 transitions. [2021-11-21 04:54:29,477 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2021-11-21 04:54:29,477 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-21 04:54:29,478 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 53 iterations. [2021-11-21 04:54:29,485 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-21 04:54:29,732 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-21 04:54:29,736 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-21 04:54:29,736 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-21 04:54:29,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 04:54:29 ImpRootNode [2021-11-21 04:54:29,737 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-21 04:54:29,738 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 04:54:29,738 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 04:54:29,738 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 04:54:29,739 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:54:21" (3/4) ... [2021-11-21 04:54:29,742 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-21 04:54:29,747 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-21 04:54:29,754 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-11-21 04:54:29,754 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-21 04:54:29,755 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-21 04:54:29,755 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-21 04:54:29,830 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862933a8-7924-4d1e-9cde-e57d2c2548bb/bin/ukojak-vF6T2TMglN/witness.graphml [2021-11-21 04:54:29,830 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 04:54:29,831 INFO L158 Benchmark]: Toolchain (without parser) took 8812.68ms. Allocated memory was 92.3MB in the beginning and 144.7MB in the end (delta: 52.4MB). Free memory was 59.7MB in the beginning and 38.9MB in the end (delta: 20.8MB). Peak memory consumption was 73.1MB. Max. memory is 16.1GB. [2021-11-21 04:54:29,831 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 92.3MB. Free memory was 49.2MB in the beginning and 49.2MB in the end (delta: 35.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 04:54:29,832 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.43ms. Allocated memory is still 92.3MB. Free memory was 59.5MB in the beginning and 67.6MB in the end (delta: -8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 04:54:29,832 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.07ms. Allocated memory is still 92.3MB. Free memory was 67.6MB in the beginning and 66.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 04:54:29,833 INFO L158 Benchmark]: Boogie Preprocessor took 37.57ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 64.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 04:54:29,833 INFO L158 Benchmark]: RCFGBuilder took 313.33ms. Allocated memory is still 92.3MB. Free memory was 64.7MB in the beginning and 54.0MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 04:54:29,833 INFO L158 Benchmark]: CodeCheck took 8057.52ms. Allocated memory was 92.3MB in the beginning and 144.7MB in the end (delta: 52.4MB). Free memory was 53.7MB in the beginning and 42.0MB in the end (delta: 11.7MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. [2021-11-21 04:54:29,834 INFO L158 Benchmark]: Witness Printer took 92.04ms. Allocated memory is still 144.7MB. Free memory was 42.0MB in the beginning and 38.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-21 04:54:29,836 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.8s, OverallIterations: 53, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12266 SdHoareTripleChecker+Valid, 24.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4065 mSDsluCounter, 10200 SdHoareTripleChecker+Invalid, 19.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5140 mSDsCounter, 6122 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18387 IncrementalHoareTripleChecker+Invalid, 24509 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6122 mSolverCounterUnsat, 5060 mSDtfsCounter, 18387 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22215 GetRequests, 21683 SyntacticMatches, 414 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7927 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1840 NumberOfCodeBlocks, 1840 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 1788 ConstructedInterpolants, 0 QuantifiedInterpolants, 3762 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 52 InterpolantComputations, 30 PerfectInterpolantSequences, 2128/2250 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 92.3MB. Free memory was 49.2MB in the beginning and 49.2MB in the end (delta: 35.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.43ms. Allocated memory is still 92.3MB. Free memory was 59.5MB in the beginning and 67.6MB in the end (delta: -8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.07ms. Allocated memory is still 92.3MB. Free memory was 67.6MB in the beginning and 66.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.57ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 64.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 313.33ms. Allocated memory is still 92.3MB. Free memory was 64.7MB in the beginning and 54.0MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 8057.52ms. Allocated memory was 92.3MB in the beginning and 144.7MB in the end (delta: 52.4MB). Free memory was 53.7MB in the beginning and 42.0MB in the end (delta: 11.7MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. * Witness Printer took 92.04ms. Allocated memory is still 144.7MB. Free memory was 42.0MB in the beginning and 38.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-21 04:54:29,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862933a8-7924-4d1e-9cde-e57d2c2548bb/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE