./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3281c-7bd4-4ab4-a1a3-3f24fc93176b/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3281c-7bd4-4ab4-a1a3-3f24fc93176b/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3281c-7bd4-4ab4-a1a3-3f24fc93176b/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3281c-7bd4-4ab4-a1a3-3f24fc93176b/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3281c-7bd4-4ab4-a1a3-3f24fc93176b/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3281c-7bd4-4ab4-a1a3-3f24fc93176b/bin/ukojak-vF6T2TMglN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 59f8de3095dec84b471ea17a2f8054509a628ca6c3fce9f023768548ca2b0891 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 04:54:26,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 04:54:26,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 04:54:26,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 04:54:26,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 04:54:26,785 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 04:54:26,787 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 04:54:26,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 04:54:26,791 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 04:54:26,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 04:54:26,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 04:54:26,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 04:54:26,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 04:54:26,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 04:54:26,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 04:54:26,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 04:54:26,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 04:54:26,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 04:54:26,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 04:54:26,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 04:54:26,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 04:54:26,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 04:54:26,811 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 04:54:26,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 04:54:26,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 04:54:26,816 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 04:54:26,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 04:54:26,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 04:54:26,818 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 04:54:26,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 04:54:26,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 04:54:26,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 04:54:26,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 04:54:26,827 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 04:54:26,828 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 04:54:26,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 04:54:26,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 04:54:26,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 04:54:26,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 04:54:26,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 04:54:26,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 04:54:26,835 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3281c-7bd4-4ab4-a1a3-3f24fc93176b/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-21 04:54:26,874 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 04:54:26,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 04:54:26,879 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 04:54:26,879 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 04:54:26,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 04:54:26,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 04:54:26,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 04:54:26,881 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 04:54:26,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 04:54:26,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 04:54:26,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 04:54:26,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 04:54:26,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 04:54:26,889 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 04:54:26,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 04:54:26,890 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 04:54:26,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 04:54:26,890 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 04:54:26,890 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 04:54:26,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 04:54:26,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:54:26,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 04:54:26,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 04:54:26,891 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 04:54:26,892 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 04:54:26,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 04:54:26,892 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 04:54:26,892 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_70a3281c-7bd4-4ab4-a1a3-3f24fc93176b/bin/ukojak-vF6T2TMglN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3281c-7bd4-4ab4-a1a3-3f24fc93176b/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59f8de3095dec84b471ea17a2f8054509a628ca6c3fce9f023768548ca2b0891 [2021-11-21 04:54:27,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 04:54:27,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 04:54:27,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 04:54:27,199 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 04:54:27,200 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 04:54:27,201 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3281c-7bd4-4ab4-a1a3-3f24fc93176b/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c [2021-11-21 04:54:27,264 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3281c-7bd4-4ab4-a1a3-3f24fc93176b/bin/ukojak-vF6T2TMglN/data/2beba6e12/dc685f8a424e4cdf82fd9cddd091af45/FLAG9a3679c2b [2021-11-21 04:54:27,784 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 04:54:27,784 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3281c-7bd4-4ab4-a1a3-3f24fc93176b/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c [2021-11-21 04:54:27,790 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3281c-7bd4-4ab4-a1a3-3f24fc93176b/bin/ukojak-vF6T2TMglN/data/2beba6e12/dc685f8a424e4cdf82fd9cddd091af45/FLAG9a3679c2b [2021-11-21 04:54:28,169 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3281c-7bd4-4ab4-a1a3-3f24fc93176b/bin/ukojak-vF6T2TMglN/data/2beba6e12/dc685f8a424e4cdf82fd9cddd091af45 [2021-11-21 04:54:28,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 04:54:28,172 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 04:54:28,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 04:54:28,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 04:54:28,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 04:54:28,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:54:28" (1/1) ... [2021-11-21 04:54:28,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42ee06e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:28, skipping insertion in model container [2021-11-21 04:54:28,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:54:28" (1/1) ... [2021-11-21 04:54:28,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 04:54:28,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 04:54:28,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:54:28,356 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 04:54:28,371 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:54:28,389 INFO L208 MainTranslator]: Completed translation [2021-11-21 04:54:28,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:28 WrapperNode [2021-11-21 04:54:28,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 04:54:28,391 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 04:54:28,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 04:54:28,391 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 04:54:28,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:28" (1/1) ... [2021-11-21 04:54:28,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:28" (1/1) ... [2021-11-21 04:54:28,437 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2021-11-21 04:54:28,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 04:54:28,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 04:54:28,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 04:54:28,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 04:54:28,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:28" (1/1) ... [2021-11-21 04:54:28,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:28" (1/1) ... [2021-11-21 04:54:28,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:28" (1/1) ... [2021-11-21 04:54:28,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:28" (1/1) ... [2021-11-21 04:54:28,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:28" (1/1) ... [2021-11-21 04:54:28,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:28" (1/1) ... [2021-11-21 04:54:28,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:28" (1/1) ... [2021-11-21 04:54:28,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 04:54:28,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 04:54:28,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 04:54:28,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 04:54:28,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:28" (1/1) ... [2021-11-21 04:54:28,477 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:54:28,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3281c-7bd4-4ab4-a1a3-3f24fc93176b/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 04:54:28,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3281c-7bd4-4ab4-a1a3-3f24fc93176b/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 04:54:28,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3281c-7bd4-4ab4-a1a3-3f24fc93176b/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 04:54:28,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 04:54:28,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 04:54:28,621 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 04:54:28,623 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 04:54:28,760 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 04:54:28,773 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 04:54:28,774 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 04:54:28,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:54:28 BoogieIcfgContainer [2021-11-21 04:54:28,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 04:54:28,777 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 04:54:28,777 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 04:54:28,786 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 04:54:28,787 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:54:28" (1/1) ... [2021-11-21 04:54:28,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 04:54:28,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:28,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-11-21 04:54:28,910 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-21 04:54:28,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 04:54:28,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:28,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:29,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:54:29,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:29,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2021-11-21 04:54:29,075 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2021-11-21 04:54:29,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 04:54:29,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:29,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:29,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:54:29,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:29,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2021-11-21 04:54:29,217 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2021-11-21 04:54:29,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 04:54:29,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:29,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:29,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:54:29,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:29,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2021-11-21 04:54:29,392 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2021-11-21 04:54:29,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 04:54:29,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:29,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:29,435 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:54:29,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:29,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2021-11-21 04:54:29,538 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2021-11-21 04:54:29,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 04:54:29,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:29,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:29,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 04:54:29,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:29,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 55 transitions. [2021-11-21 04:54:29,939 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2021-11-21 04:54:29,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 04:54:29,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:29,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:29,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 04:54:30,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:30,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 42 states and 73 transitions. [2021-11-21 04:54:30,429 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2021-11-21 04:54:30,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 04:54:30,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:30,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:30,511 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 04:54:31,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:31,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 53 states and 98 transitions. [2021-11-21 04:54:31,299 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 98 transitions. [2021-11-21 04:54:31,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 04:54:31,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:31,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:31,322 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 04:54:31,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:31,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 57 states and 104 transitions. [2021-11-21 04:54:31,641 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 104 transitions. [2021-11-21 04:54:31,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 04:54:31,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:31,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:31,694 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 04:54:32,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:32,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 63 states and 117 transitions. [2021-11-21 04:54:32,362 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 117 transitions. [2021-11-21 04:54:32,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 04:54:32,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:32,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:32,380 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 04:54:32,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:32,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 64 states and 118 transitions. [2021-11-21 04:54:32,654 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 118 transitions. [2021-11-21 04:54:32,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 04:54:32,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:32,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:32,673 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 04:54:33,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:33,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 68 states and 125 transitions. [2021-11-21 04:54:33,006 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2021-11-21 04:54:33,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 04:54:33,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:33,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:33,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:33,035 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 04:54:33,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:33,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 69 states and 126 transitions. [2021-11-21 04:54:33,225 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 126 transitions. [2021-11-21 04:54:33,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 04:54:33,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:33,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:33,265 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-21 04:54:33,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:33,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 70 states and 128 transitions. [2021-11-21 04:54:33,398 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 128 transitions. [2021-11-21 04:54:33,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 04:54:33,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:33,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:33,416 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-21 04:54:33,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:33,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 71 states and 128 transitions. [2021-11-21 04:54:33,557 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 128 transitions. [2021-11-21 04:54:33,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 04:54:33,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:33,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:33,588 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 04:54:33,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:33,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 74 states and 133 transitions. [2021-11-21 04:54:33,929 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 133 transitions. [2021-11-21 04:54:33,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 04:54:33,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:33,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:34,003 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 04:54:34,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:34,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 82 states and 154 transitions. [2021-11-21 04:54:34,532 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 154 transitions. [2021-11-21 04:54:34,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:54:34,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:34,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:34,551 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-21 04:54:34,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:34,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 83 states and 154 transitions. [2021-11-21 04:54:34,727 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 154 transitions. [2021-11-21 04:54:34,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 04:54:34,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:34,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:34,758 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-21 04:54:34,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:34,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 82 states and 152 transitions. [2021-11-21 04:54:34,946 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 152 transitions. [2021-11-21 04:54:34,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 04:54:34,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:34,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:34,968 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-21 04:54:35,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:35,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 90 states and 163 transitions. [2021-11-21 04:54:35,351 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 163 transitions. [2021-11-21 04:54:35,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 04:54:35,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:35,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:35,367 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 04:54:35,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:35,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 94 states and 170 transitions. [2021-11-21 04:54:35,756 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 170 transitions. [2021-11-21 04:54:35,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 04:54:35,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:35,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:35,781 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-21 04:54:36,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:36,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 99 states and 178 transitions. [2021-11-21 04:54:36,411 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 178 transitions. [2021-11-21 04:54:36,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 04:54:36,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:36,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:36,427 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-21 04:54:36,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:36,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 99 states and 177 transitions. [2021-11-21 04:54:36,587 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 177 transitions. [2021-11-21 04:54:36,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 04:54:36,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:36,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:36,600 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-21 04:54:36,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:36,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 99 states and 176 transitions. [2021-11-21 04:54:36,692 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 176 transitions. [2021-11-21 04:54:36,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 04:54:36,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:36,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:36,708 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-21 04:54:36,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:36,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 100 states and 176 transitions. [2021-11-21 04:54:36,866 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 176 transitions. [2021-11-21 04:54:36,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 04:54:36,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:36,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:36,884 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-21 04:54:37,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:37,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 103 states and 181 transitions. [2021-11-21 04:54:37,248 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 181 transitions. [2021-11-21 04:54:37,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 04:54:37,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:37,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:37,276 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 04:54:37,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:37,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 106 states and 185 transitions. [2021-11-21 04:54:37,634 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 185 transitions. [2021-11-21 04:54:37,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 04:54:37,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:37,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:37,756 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-21 04:54:39,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:39,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 129 states and 228 transitions. [2021-11-21 04:54:39,854 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 228 transitions. [2021-11-21 04:54:39,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 04:54:39,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:39,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:39,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:39,881 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-21 04:54:40,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:40,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 133 states and 234 transitions. [2021-11-21 04:54:40,329 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 234 transitions. [2021-11-21 04:54:40,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 04:54:40,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:40,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:40,346 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-21 04:54:40,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:40,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 137 states and 240 transitions. [2021-11-21 04:54:40,802 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 240 transitions. [2021-11-21 04:54:40,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 04:54:40,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:40,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:40,821 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-21 04:54:41,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:41,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 136 states and 238 transitions. [2021-11-21 04:54:41,085 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 238 transitions. [2021-11-21 04:54:41,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 04:54:41,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:41,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:41,127 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-21 04:54:42,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:42,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 144 states and 252 transitions. [2021-11-21 04:54:42,093 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 252 transitions. [2021-11-21 04:54:42,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 04:54:42,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:42,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:42,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:42,107 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-21 04:54:42,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:42,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 143 states and 243 transitions. [2021-11-21 04:54:42,309 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 243 transitions. [2021-11-21 04:54:42,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 04:54:42,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:42,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:42,327 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-21 04:54:43,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:43,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 149 states and 253 transitions. [2021-11-21 04:54:43,202 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 253 transitions. [2021-11-21 04:54:43,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 04:54:43,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:43,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:43,219 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-21 04:54:43,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:43,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 152 states and 258 transitions. [2021-11-21 04:54:43,768 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 258 transitions. [2021-11-21 04:54:43,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 04:54:43,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:43,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:43,781 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-21 04:54:43,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:43,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 151 states and 256 transitions. [2021-11-21 04:54:43,913 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 256 transitions. [2021-11-21 04:54:43,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 04:54:43,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:43,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:43,976 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-11-21 04:54:44,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:44,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 152 states and 256 transitions. [2021-11-21 04:54:44,210 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 256 transitions. [2021-11-21 04:54:44,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 04:54:44,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:44,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:44,228 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-11-21 04:54:44,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:44,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 155 states and 258 transitions. [2021-11-21 04:54:44,688 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 258 transitions. [2021-11-21 04:54:44,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 04:54:44,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:44,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:44,704 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-21 04:54:45,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:45,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 158 states and 261 transitions. [2021-11-21 04:54:45,215 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 261 transitions. [2021-11-21 04:54:45,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 04:54:45,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:45,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:45,263 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-11-21 04:54:46,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:46,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 164 states and 270 transitions. [2021-11-21 04:54:46,035 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 270 transitions. [2021-11-21 04:54:46,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 04:54:46,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:46,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:46,049 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-21 04:54:46,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:46,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 165 states and 272 transitions. [2021-11-21 04:54:46,297 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 272 transitions. [2021-11-21 04:54:46,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 04:54:46,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:46,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:46,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:46,315 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-21 04:54:46,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:46,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 168 states and 277 transitions. [2021-11-21 04:54:46,952 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 277 transitions. [2021-11-21 04:54:46,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 04:54:46,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:46,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:46,968 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-11-21 04:54:47,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:47,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 169 states and 277 transitions. [2021-11-21 04:54:47,114 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 277 transitions. [2021-11-21 04:54:47,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 04:54:47,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:47,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:47,131 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-21 04:54:47,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:47,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 168 states and 275 transitions. [2021-11-21 04:54:47,385 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 275 transitions. [2021-11-21 04:54:47,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 04:54:47,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:47,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:47,400 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-11-21 04:54:48,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:48,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 174 states and 283 transitions. [2021-11-21 04:54:48,385 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 283 transitions. [2021-11-21 04:54:48,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 04:54:48,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:48,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:48,401 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-21 04:54:48,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:48,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 48 states and 66 transitions. [2021-11-21 04:54:48,917 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 66 transitions. [2021-11-21 04:54:48,917 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-21 04:54:48,917 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 46 iterations. [2021-11-21 04:54:48,925 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2021-11-21 04:54:49,692 INFO L560 CodeCheckObserver]: Invariant with dag size 32 [2021-11-21 04:54:49,705 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-21 04:54:49,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 04:54:49 ImpRootNode [2021-11-21 04:54:49,706 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-21 04:54:49,706 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 04:54:49,706 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 04:54:49,706 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 04:54:49,707 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:54:28" (3/4) ... [2021-11-21 04:54:49,709 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-21 04:54:49,718 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-21 04:54:49,718 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-21 04:54:49,718 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-21 04:54:49,749 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3281c-7bd4-4ab4-a1a3-3f24fc93176b/bin/ukojak-vF6T2TMglN/witness.graphml [2021-11-21 04:54:49,749 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 04:54:49,750 INFO L158 Benchmark]: Toolchain (without parser) took 21577.06ms. Allocated memory was 96.5MB in the beginning and 220.2MB in the end (delta: 123.7MB). Free memory was 56.8MB in the beginning and 132.8MB in the end (delta: -76.0MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2021-11-21 04:54:49,750 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 96.5MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 04:54:49,751 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.88ms. Allocated memory is still 96.5MB. Free memory was 56.6MB in the beginning and 73.5MB in the end (delta: -17.0MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-11-21 04:54:49,751 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.40ms. Allocated memory is still 96.5MB. Free memory was 73.5MB in the beginning and 72.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 04:54:49,752 INFO L158 Benchmark]: Boogie Preprocessor took 25.09ms. Allocated memory is still 96.5MB. Free memory was 72.2MB in the beginning and 71.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 04:54:49,752 INFO L158 Benchmark]: RCFGBuilder took 309.60ms. Allocated memory is still 96.5MB. Free memory was 71.2MB in the beginning and 62.3MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 04:54:49,753 INFO L158 Benchmark]: CodeCheck took 20928.88ms. Allocated memory was 96.5MB in the beginning and 220.2MB in the end (delta: 123.7MB). Free memory was 62.3MB in the beginning and 134.9MB in the end (delta: -72.6MB). Peak memory consumption was 138.1MB. Max. memory is 16.1GB. [2021-11-21 04:54:49,754 INFO L158 Benchmark]: Witness Printer took 42.97ms. Allocated memory is still 220.2MB. Free memory was 134.9MB in the beginning and 132.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 04:54:49,757 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 1 procedures, 14 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 20.1s, OverallIterations: 46, 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, 7503 SdHoareTripleChecker+Valid, 34.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7108 mSDsluCounter, 1378 SdHoareTripleChecker+Invalid, 27.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1110 mSDsCounter, 5738 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27925 IncrementalHoareTripleChecker+Invalid, 33663 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5738 mSolverCounterUnsat, 268 mSDtfsCounter, 27925 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9079 GetRequests, 8001 SyntacticMatches, 646 SemanticMatches, 432 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94819 ImplicationChecksByTransitivity, 17.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1020 NumberOfCodeBlocks, 1020 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 975 ConstructedInterpolants, 0 QuantifiedInterpolants, 2703 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 45 InterpolantComputations, 16 PerfectInterpolantSequences, 1362/1846 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: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((((((n <= 2147483647 && 1 < i) && i <= 2147483646) && 1 <= m) && m <= 2147483647) && 1 < j) || (((((n <= 2147483647 && j + 1 <= m) && 1 < i) && i <= 2147483646) && 0 < j) && m <= 2147483647)) || (((((n <= 2147483647 && 0 < i) && 1 <= m) && 0 < j) && i <= 1) && m <= 2147483647)) || (((((j <= 1 && n <= 2147483647) && m < j + 1) && 1 < i) && i <= 2147483646) && 1 <= m)) || (((((n <= 2147483647 && j + 1 <= m) && 0 <= j) && 0 <= i) && m <= 2147483647) && j <= 0)) || (((((n <= 2147483647 && i <= 0) && 1 <= m) && 0 < j) && 0 <= i) && m <= 2147483647) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 96.5MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 201.88ms. Allocated memory is still 96.5MB. Free memory was 56.6MB in the beginning and 73.5MB in the end (delta: -17.0MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.40ms. Allocated memory is still 96.5MB. Free memory was 73.5MB in the beginning and 72.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.09ms. Allocated memory is still 96.5MB. Free memory was 72.2MB in the beginning and 71.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 309.60ms. Allocated memory is still 96.5MB. Free memory was 71.2MB in the beginning and 62.3MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 20928.88ms. Allocated memory was 96.5MB in the beginning and 220.2MB in the end (delta: 123.7MB). Free memory was 62.3MB in the beginning and 134.9MB in the end (delta: -72.6MB). Peak memory consumption was 138.1MB. Max. memory is 16.1GB. * Witness Printer took 42.97ms. Allocated memory is still 220.2MB. Free memory was 134.9MB in the beginning and 132.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-21 04:54:49,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3281c-7bd4-4ab4-a1a3-3f24fc93176b/bin/ukojak-vF6T2TMglN/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