./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/nested6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5e5c3-77a7-4a5e-ab8b-faa892f027b7/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5e5c3-77a7-4a5e-ab8b-faa892f027b7/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5e5c3-77a7-4a5e-ab8b-faa892f027b7/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5e5c3-77a7-4a5e-ab8b-faa892f027b7/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/nested6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5e5c3-77a7-4a5e-ab8b-faa892f027b7/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5e5c3-77a7-4a5e-ab8b-faa892f027b7/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 327b0d5e70f014fe291a4771fe2bbb17cb1148e77fe8f6a261d10a47df8adacc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:12:25,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:12:25,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:12:25,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:12:25,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:12:25,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:12:25,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:12:25,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:12:25,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:12:25,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:12:25,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:12:25,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:12:25,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:12:25,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:12:25,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:12:25,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:12:25,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:12:25,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:12:25,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:12:25,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:12:25,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:12:25,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:12:25,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:12:25,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:12:25,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:12:25,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:12:25,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:12:25,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:12:25,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:12:25,660 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:12:25,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:12:25,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:12:25,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:12:25,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:12:25,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:12:25,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:12:25,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:12:25,668 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:12:25,668 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:12:25,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:12:25,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:12:25,671 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5e5c3-77a7-4a5e-ab8b-faa892f027b7/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:12:25,713 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:12:25,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:12:25,715 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:12:25,715 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:12:25,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:12:25,716 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:12:25,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:12:25,717 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:12:25,717 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:12:25,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:12:25,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:12:25,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:12:25,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:12:25,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:12:25,719 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:12:25,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:12:25,720 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:12:25,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:12:25,720 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:12:25,720 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:12:25,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:12:25,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:12:25,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:12:25,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:12:25,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:12:25,722 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:12:25,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:12:25,722 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:12:25,723 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_bae5e5c3-77a7-4a5e-ab8b-faa892f027b7/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5e5c3-77a7-4a5e-ab8b-faa892f027b7/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 327b0d5e70f014fe291a4771fe2bbb17cb1148e77fe8f6a261d10a47df8adacc [2021-11-22 23:12:25,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:12:26,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:12:26,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:12:26,030 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:12:26,031 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:12:26,033 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5e5c3-77a7-4a5e-ab8b-faa892f027b7/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/loop-invgen/nested6.i [2021-11-22 23:12:26,112 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5e5c3-77a7-4a5e-ab8b-faa892f027b7/bin/ukojak-LBtLqBUTdQ/data/b3e63dc7d/9ae30e98e8f342449b3cc430482e3bec/FLAG0ad259003 [2021-11-22 23:12:26,593 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:12:26,593 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5e5c3-77a7-4a5e-ab8b-faa892f027b7/sv-benchmarks/c/loop-invgen/nested6.i [2021-11-22 23:12:26,601 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5e5c3-77a7-4a5e-ab8b-faa892f027b7/bin/ukojak-LBtLqBUTdQ/data/b3e63dc7d/9ae30e98e8f342449b3cc430482e3bec/FLAG0ad259003 [2021-11-22 23:12:26,947 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5e5c3-77a7-4a5e-ab8b-faa892f027b7/bin/ukojak-LBtLqBUTdQ/data/b3e63dc7d/9ae30e98e8f342449b3cc430482e3bec [2021-11-22 23:12:26,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:12:26,951 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:12:26,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:12:26,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:12:26,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:12:26,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:12:26" (1/1) ... [2021-11-22 23:12:26,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4717a1db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:26, skipping insertion in model container [2021-11-22 23:12:26,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:12:26" (1/1) ... [2021-11-22 23:12:26,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:12:26,989 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:12:27,161 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_bae5e5c3-77a7-4a5e-ab8b-faa892f027b7/sv-benchmarks/c/loop-invgen/nested6.i[893,906] [2021-11-22 23:12:27,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:12:27,197 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:12:27,213 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_bae5e5c3-77a7-4a5e-ab8b-faa892f027b7/sv-benchmarks/c/loop-invgen/nested6.i[893,906] [2021-11-22 23:12:27,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:12:27,248 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:12:27,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:27 WrapperNode [2021-11-22 23:12:27,248 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:12:27,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:12:27,250 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:12:27,252 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:12:27,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:27" (1/1) ... [2021-11-22 23:12:27,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:27" (1/1) ... [2021-11-22 23:12:27,289 INFO L137 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 58 [2021-11-22 23:12:27,290 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:12:27,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:12:27,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:12:27,291 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:12:27,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:27" (1/1) ... [2021-11-22 23:12:27,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:27" (1/1) ... [2021-11-22 23:12:27,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:27" (1/1) ... [2021-11-22 23:12:27,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:27" (1/1) ... [2021-11-22 23:12:27,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:27" (1/1) ... [2021-11-22 23:12:27,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:27" (1/1) ... [2021-11-22 23:12:27,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:27" (1/1) ... [2021-11-22 23:12:27,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:12:27,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:12:27,335 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:12:27,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:12:27,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:27" (1/1) ... [2021-11-22 23:12:27,344 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:12:27,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5e5c3-77a7-4a5e-ab8b-faa892f027b7/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:12:27,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5e5c3-77a7-4a5e-ab8b-faa892f027b7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:12:27,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5e5c3-77a7-4a5e-ab8b-faa892f027b7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:12:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:12:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:12:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:12:27,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:12:27,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-22 23:12:27,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-22 23:12:27,496 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:12:27,497 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:12:27,642 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:12:27,679 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:12:27,689 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-22 23:12:27,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:12:27 BoogieIcfgContainer [2021-11-22 23:12:27,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:12:27,693 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:12:27,693 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:12:27,703 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:12:27,706 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:12:27" (1/1) ... [2021-11-22 23:12:27,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:12:27,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:27,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2021-11-22 23:12:27,816 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2021-11-22 23:12:27,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:12:27,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:27,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:27,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:28,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:28,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:28,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 39 transitions. [2021-11-22 23:12:28,168 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2021-11-22 23:12:28,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:12:28,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:28,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:28,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:28,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:28,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:28,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 48 transitions. [2021-11-22 23:12:28,410 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2021-11-22 23:12:28,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:12:28,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:28,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:28,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:28,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:28,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 36 states and 59 transitions. [2021-11-22 23:12:28,731 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2021-11-22 23:12:28,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:12:28,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:28,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:28,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:28,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:28,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 60 transitions. [2021-11-22 23:12:28,830 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2021-11-22 23:12:28,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:12:28,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:28,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:28,963 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:29,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:29,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 41 states and 72 transitions. [2021-11-22 23:12:29,451 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2021-11-22 23:12:29,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:12:29,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:29,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:29,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:29,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:29,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 71 transitions. [2021-11-22 23:12:29,578 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2021-11-22 23:12:29,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:12:29,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:29,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:29,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:29,681 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:12:29,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:29,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 36 states and 60 transitions. [2021-11-22 23:12:29,881 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2021-11-22 23:12:29,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:12:29,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:29,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:30,074 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:30,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:30,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 42 states and 75 transitions. [2021-11-22 23:12:30,985 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2021-11-22 23:12:30,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:12:30,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:30,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:31,067 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:12:31,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:31,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 45 states and 84 transitions. [2021-11-22 23:12:31,367 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2021-11-22 23:12:31,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:12:31,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:31,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:31,428 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:12:32,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:32,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 49 states and 93 transitions. [2021-11-22 23:12:32,072 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 93 transitions. [2021-11-22 23:12:32,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:12:32,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:32,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:32,102 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:12:32,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:32,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 50 states and 94 transitions. [2021-11-22 23:12:32,294 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 94 transitions. [2021-11-22 23:12:32,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:12:32,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:32,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:32,396 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:12:33,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:33,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 54 states and 104 transitions. [2021-11-22 23:12:33,241 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 104 transitions. [2021-11-22 23:12:33,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:12:33,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:33,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:33,271 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:12:33,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:33,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 55 states and 104 transitions. [2021-11-22 23:12:33,487 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 104 transitions. [2021-11-22 23:12:33,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:12:33,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:33,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:33,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:33,530 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:12:34,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:34,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 59 states and 112 transitions. [2021-11-22 23:12:34,213 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 112 transitions. [2021-11-22 23:12:34,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:12:34,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:34,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:34,310 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:12:34,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:34,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 59 states and 110 transitions. [2021-11-22 23:12:34,540 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 110 transitions. [2021-11-22 23:12:34,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:12:34,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:34,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:34,601 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-22 23:12:34,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:34,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 58 states and 107 transitions. [2021-11-22 23:12:34,964 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 107 transitions. [2021-11-22 23:12:34,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:12:34,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:34,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:34,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:35,056 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-22 23:12:35,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:35,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 60 states and 112 transitions. [2021-11-22 23:12:35,786 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 112 transitions. [2021-11-22 23:12:35,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:12:35,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:35,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:35,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:35,811 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-22 23:12:36,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:36,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 61 states and 113 transitions. [2021-11-22 23:12:36,030 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 113 transitions. [2021-11-22 23:12:36,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:12:36,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:36,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:36,108 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-22 23:12:36,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:36,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 60 states and 111 transitions. [2021-11-22 23:12:36,159 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 111 transitions. [2021-11-22 23:12:36,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:12:36,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:36,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:36,326 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-22 23:12:37,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:37,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 66 states and 121 transitions. [2021-11-22 23:12:37,298 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 121 transitions. [2021-11-22 23:12:37,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:12:37,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:37,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:37,763 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-22 23:12:39,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:39,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 74 states and 137 transitions. [2021-11-22 23:12:39,359 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 137 transitions. [2021-11-22 23:12:39,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:12:39,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:39,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:39,399 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-22 23:12:39,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:39,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 75 states and 138 transitions. [2021-11-22 23:12:39,690 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 138 transitions. [2021-11-22 23:12:39,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 23:12:39,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:39,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:39,875 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-22 23:12:40,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:40,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 77 states and 143 transitions. [2021-11-22 23:12:40,281 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 143 transitions. [2021-11-22 23:12:40,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-22 23:12:40,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:40,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:40,493 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 40 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-22 23:12:41,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:41,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 79 states and 146 transitions. [2021-11-22 23:12:41,067 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 146 transitions. [2021-11-22 23:12:41,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:12:41,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:41,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:41,598 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-22 23:12:43,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:43,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 88 states and 169 transitions. [2021-11-22 23:12:43,880 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 169 transitions. [2021-11-22 23:12:43,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:12:43,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:43,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:43,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:44,109 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-22 23:12:45,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:45,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 96 states and 185 transitions. [2021-11-22 23:12:45,614 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 185 transitions. [2021-11-22 23:12:45,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:12:45,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:45,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:45,863 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-22 23:12:46,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:46,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 97 states and 186 transitions. [2021-11-22 23:12:46,215 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 186 transitions. [2021-11-22 23:12:46,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-22 23:12:46,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:46,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:46,440 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-22 23:12:46,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:46,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 99 states and 193 transitions. [2021-11-22 23:12:46,944 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 193 transitions. [2021-11-22 23:12:46,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:12:46,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:46,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:47,121 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 47 proven. 39 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-22 23:12:48,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:48,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 103 states and 200 transitions. [2021-11-22 23:12:48,070 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 200 transitions. [2021-11-22 23:12:48,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 23:12:48,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:48,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:48,204 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-22 23:12:49,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:49,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 109 states and 209 transitions. [2021-11-22 23:12:49,352 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 209 transitions. [2021-11-22 23:12:49,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 23:12:49,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:49,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:49,466 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-22 23:12:50,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:50,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 111 states and 212 transitions. [2021-11-22 23:12:50,160 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 212 transitions. [2021-11-22 23:12:50,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 23:12:50,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:50,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:50,327 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-22 23:12:50,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:50,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 111 states and 211 transitions. [2021-11-22 23:12:50,640 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 211 transitions. [2021-11-22 23:12:50,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-22 23:12:50,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:50,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:51,064 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 76 proven. 22 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-22 23:12:53,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:53,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 121 states and 231 transitions. [2021-11-22 23:12:53,435 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 231 transitions. [2021-11-22 23:12:53,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:12:53,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:53,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:54,258 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 22 proven. 47 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2021-11-22 23:12:56,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:56,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 127 states and 245 transitions. [2021-11-22 23:12:56,584 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 245 transitions. [2021-11-22 23:12:56,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:12:56,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:56,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:56,615 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2021-11-22 23:12:56,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:56,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 128 states and 245 transitions. [2021-11-22 23:12:56,991 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 245 transitions. [2021-11-22 23:12:56,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:12:56,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:56,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:57,654 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 53 proven. 32 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-22 23:13:01,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:01,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 144 states and 274 transitions. [2021-11-22 23:13:01,483 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 274 transitions. [2021-11-22 23:13:01,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-22 23:13:01,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:01,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:01,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:01,626 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 92 proven. 22 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-22 23:13:03,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:03,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 150 states and 286 transitions. [2021-11-22 23:13:03,006 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 286 transitions. [2021-11-22 23:13:03,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:13:03,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:03,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:03,288 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 53 proven. 32 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-22 23:13:05,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:05,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 157 states and 298 transitions. [2021-11-22 23:13:05,068 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 298 transitions. [2021-11-22 23:13:05,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:13:05,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:05,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:05,325 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 53 proven. 32 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-22 23:13:05,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:05,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 158 states and 299 transitions. [2021-11-22 23:13:05,747 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 299 transitions. [2021-11-22 23:13:05,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-22 23:13:05,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:05,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:05,890 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 78 proven. 9 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2021-11-22 23:13:06,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:06,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 160 states and 302 transitions. [2021-11-22 23:13:06,313 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 302 transitions. [2021-11-22 23:13:06,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 23:13:06,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:06,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:06,765 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 48 proven. 25 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-22 23:13:07,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:07,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 162 states and 310 transitions. [2021-11-22 23:13:07,380 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 310 transitions. [2021-11-22 23:13:07,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 23:13:07,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:07,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:07,695 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 65 proven. 59 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-11-22 23:13:08,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:08,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 168 states and 318 transitions. [2021-11-22 23:13:08,942 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 318 transitions. [2021-11-22 23:13:08,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-22 23:13:08,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:08,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:09,121 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 107 proven. 33 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-22 23:13:09,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:09,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 169 states and 319 transitions. [2021-11-22 23:13:09,421 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 319 transitions. [2021-11-22 23:13:09,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:13:09,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:09,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:09,553 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 71 proven. 4 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-11-22 23:13:09,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:09,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 165 states and 310 transitions. [2021-11-22 23:13:09,811 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 310 transitions. [2021-11-22 23:13:09,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 23:13:09,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:09,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:10,105 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 72 proven. 72 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-11-22 23:13:11,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:11,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 168 states and 317 transitions. [2021-11-22 23:13:11,005 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 317 transitions. [2021-11-22 23:13:11,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-22 23:13:11,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:11,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:11,633 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 39 proven. 68 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2021-11-22 23:13:12,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:12,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 171 states and 323 transitions. [2021-11-22 23:13:12,975 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 323 transitions. [2021-11-22 23:13:12,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 23:13:12,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:12,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:13,317 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 72 proven. 72 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-11-22 23:13:13,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:13,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 172 states and 323 transitions. [2021-11-22 23:13:13,737 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 323 transitions. [2021-11-22 23:13:13,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-22 23:13:13,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:13,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:14,177 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 39 proven. 68 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2021-11-22 23:13:14,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:14,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 173 states and 323 transitions. [2021-11-22 23:13:14,662 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 323 transitions. [2021-11-22 23:13:14,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-22 23:13:14,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:14,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:15,507 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 74 proven. 52 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-11-22 23:13:22,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:22,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 194 states and 369 transitions. [2021-11-22 23:13:22,308 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 369 transitions. [2021-11-22 23:13:22,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-22 23:13:22,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:22,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:22,746 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 74 proven. 52 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-11-22 23:13:24,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:24,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 203 states and 382 transitions. [2021-11-22 23:13:24,719 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 382 transitions. [2021-11-22 23:13:24,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-22 23:13:24,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:24,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:25,101 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 74 proven. 52 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-11-22 23:13:25,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:25,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 204 states and 382 transitions. [2021-11-22 23:13:25,208 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 382 transitions. [2021-11-22 23:13:25,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-22 23:13:25,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:25,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:25,747 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 69 proven. 43 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2021-11-22 23:13:26,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:26,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 206 states and 392 transitions. [2021-11-22 23:13:26,488 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 392 transitions. [2021-11-22 23:13:26,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-22 23:13:26,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:26,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:26,976 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 86 proven. 84 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-11-22 23:13:28,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:28,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 213 states and 404 transitions. [2021-11-22 23:13:28,397 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 404 transitions. [2021-11-22 23:13:28,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-22 23:13:28,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:28,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:28,827 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 86 proven. 84 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-11-22 23:13:29,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:29,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 217 states and 410 transitions. [2021-11-22 23:13:29,738 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 410 transitions. [2021-11-22 23:13:29,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-22 23:13:29,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:29,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:30,321 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 145 proven. 32 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2021-11-22 23:13:34,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:34,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 228 states and 439 transitions. [2021-11-22 23:13:34,132 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 439 transitions. [2021-11-22 23:13:34,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-22 23:13:34,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:34,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:34,285 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 145 proven. 32 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2021-11-22 23:13:35,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:35,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 231 states and 443 transitions. [2021-11-22 23:13:35,378 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 443 transitions. [2021-11-22 23:13:35,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-22 23:13:35,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:35,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:35,932 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 93 proven. 100 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2021-11-22 23:13:37,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:37,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 234 states and 449 transitions. [2021-11-22 23:13:37,156 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 449 transitions. [2021-11-22 23:13:37,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-22 23:13:37,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:37,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:37,476 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 184 proven. 46 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2021-11-22 23:13:38,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:38,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 238 states and 456 transitions. [2021-11-22 23:13:38,483 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 456 transitions. [2021-11-22 23:13:38,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-22 23:13:38,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:38,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:38,929 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 93 proven. 100 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2021-11-22 23:13:39,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:39,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 239 states and 457 transitions. [2021-11-22 23:13:39,448 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 457 transitions. [2021-11-22 23:13:39,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-22 23:13:39,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:39,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:39,763 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 184 proven. 46 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2021-11-22 23:13:40,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:40,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 243 states and 462 transitions. [2021-11-22 23:13:40,883 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 462 transitions. [2021-11-22 23:13:40,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-22 23:13:40,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:40,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:41,671 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 61 proven. 92 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2021-11-22 23:13:43,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:43,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 246 states and 468 transitions. [2021-11-22 23:13:43,424 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 468 transitions. [2021-11-22 23:13:43,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-22 23:13:43,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:43,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:43,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:44,139 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 61 proven. 92 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2021-11-22 23:13:44,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:44,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 247 states and 468 transitions. [2021-11-22 23:13:44,684 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 468 transitions. [2021-11-22 23:13:44,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-22 23:13:44,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:44,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:44,828 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 152 proven. 22 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2021-11-22 23:13:45,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:45,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 250 states and 472 transitions. [2021-11-22 23:13:45,348 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 472 transitions. [2021-11-22 23:13:45,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-22 23:13:45,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:45,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:46,761 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 98 proven. 77 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2021-11-22 23:13:53,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:53,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 271 states and 513 transitions. [2021-11-22 23:13:53,716 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 513 transitions. [2021-11-22 23:13:53,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-22 23:13:53,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:53,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:53,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:54,236 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 98 proven. 77 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2021-11-22 23:13:57,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:57,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 280 states and 530 transitions. [2021-11-22 23:13:57,796 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 530 transitions. [2021-11-22 23:13:57,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-22 23:13:57,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:57,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:58,252 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 98 proven. 77 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2021-11-22 23:13:58,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:58,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 281 states and 530 transitions. [2021-11-22 23:13:58,380 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 530 transitions. [2021-11-22 23:13:58,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-22 23:13:58,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:58,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:58,413 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 167 proven. 11 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2021-11-22 23:13:59,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:59,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 234 states and 397 transitions. [2021-11-22 23:13:59,189 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 397 transitions. [2021-11-22 23:13:59,190 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-22 23:13:59,190 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 68 iterations. [2021-11-22 23:13:59,198 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-22 23:14:00,548 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:14:00,551 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:14:00,551 INFO L560 CodeCheckObserver]: Invariant with dag size 29 [2021-11-22 23:14:00,559 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:14:00,559 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:14:00,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:14:00 ImpRootNode [2021-11-22 23:14:00,560 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-22 23:14:00,561 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 23:14:00,561 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 23:14:00,561 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 23:14:00,562 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:12:27" (3/4) ... [2021-11-22 23:14:00,565 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-22 23:14:00,570 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-22 23:14:00,574 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-11-22 23:14:00,574 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-22 23:14:00,575 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-22 23:14:00,575 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 23:14:00,627 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5e5c3-77a7-4a5e-ab8b-faa892f027b7/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-22 23:14:00,627 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 23:14:00,628 INFO L158 Benchmark]: Toolchain (without parser) took 93677.06ms. Allocated memory was 92.3MB in the beginning and 708.8MB in the end (delta: 616.6MB). Free memory was 57.6MB in the beginning and 523.7MB in the end (delta: -466.1MB). Peak memory consumption was 151.3MB. Max. memory is 16.1GB. [2021-11-22 23:14:00,629 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 92.3MB. Free memory was 62.8MB in the beginning and 62.8MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:14:00,629 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.80ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 57.6MB in the beginning and 86.6MB in the end (delta: -29.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 23:14:00,630 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.54ms. Allocated memory is still 111.1MB. Free memory was 86.6MB in the beginning and 85.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:14:00,630 INFO L158 Benchmark]: Boogie Preprocessor took 43.11ms. Allocated memory is still 111.1MB. Free memory was 85.1MB in the beginning and 84.4MB in the end (delta: 778.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:14:00,631 INFO L158 Benchmark]: RCFGBuilder took 357.78ms. Allocated memory is still 111.1MB. Free memory was 83.7MB in the beginning and 73.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 23:14:00,631 INFO L158 Benchmark]: CodeCheck took 92866.99ms. Allocated memory was 111.1MB in the beginning and 708.8MB in the end (delta: 597.7MB). Free memory was 73.2MB in the beginning and 526.6MB in the end (delta: -453.4MB). Peak memory consumption was 462.5MB. Max. memory is 16.1GB. [2021-11-22 23:14:00,632 INFO L158 Benchmark]: Witness Printer took 66.83ms. Allocated memory is still 708.8MB. Free memory was 525.8MB in the beginning and 523.7MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 23:14:00,633 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, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 91.5s, OverallIterations: 68, 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, 18829 SdHoareTripleChecker+Valid, 91.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10899 mSDsluCounter, 5103 SdHoareTripleChecker+Invalid, 76.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3655 mSDsCounter, 19303 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66691 IncrementalHoareTripleChecker+Invalid, 85994 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19303 mSolverCounterUnsat, 1448 mSDtfsCounter, 66691 mSolverCounterSat, 1.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38276 GetRequests, 36137 SyntacticMatches, 1347 SemanticMatches, 792 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435723 ImplicationChecksByTransitivity, 84.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 18.7s InterpolantComputationTime, 4401 NumberOfCodeBlocks, 4401 NumberOfCodeBlocksAsserted, 67 NumberOfCheckSat, 4334 ConstructedInterpolants, 0 QuantifiedInterpolants, 11386 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 67 InterpolantComputations, 9 PerfectInterpolantSequences, 11988/13925 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: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: (((((((2 * i <= j && j < 2 * i + 1) || (!(i == 0) && k < j)) || (!(i == 0) && n <= j)) || 2 * i < k) || k < 2 * i) || (i == 0 && j < 2 * i)) || (i == 0 && i + n < k + 1)) || j + 1 < k - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 92.3MB. Free memory was 62.8MB in the beginning and 62.8MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.80ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 57.6MB in the beginning and 86.6MB in the end (delta: -29.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.54ms. Allocated memory is still 111.1MB. Free memory was 86.6MB in the beginning and 85.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.11ms. Allocated memory is still 111.1MB. Free memory was 85.1MB in the beginning and 84.4MB in the end (delta: 778.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 357.78ms. Allocated memory is still 111.1MB. Free memory was 83.7MB in the beginning and 73.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 92866.99ms. Allocated memory was 111.1MB in the beginning and 708.8MB in the end (delta: 597.7MB). Free memory was 73.2MB in the beginning and 526.6MB in the end (delta: -453.4MB). Peak memory consumption was 462.5MB. Max. memory is 16.1GB. * Witness Printer took 66.83ms. Allocated memory is still 708.8MB. Free memory was 525.8MB in the beginning and 523.7MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-22 23:14:00,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5e5c3-77a7-4a5e-ab8b-faa892f027b7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE