./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/sum01-1.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_95ff52d6-16a0-4550-9f42-2275eafc9942/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ff52d6-16a0-4550-9f42-2275eafc9942/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_95ff52d6-16a0-4550-9f42-2275eafc9942/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ff52d6-16a0-4550-9f42-2275eafc9942/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum01-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ff52d6-16a0-4550-9f42-2275eafc9942/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_95ff52d6-16a0-4550-9f42-2275eafc9942/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 b8288a9de178793ff8226fcaf13a19528a323382cd8b50b54e8a1ad5ce998241 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:17:53,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:17:53,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:17:53,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:17:53,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:17:53,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:17:53,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:17:53,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:17:53,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:17:53,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:17:53,702 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:17:53,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:17:53,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:17:53,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:17:53,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:17:53,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:17:53,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:17:53,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:17:53,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:17:53,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:17:53,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:17:53,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:17:53,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:17:53,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:17:53,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:17:53,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:17:53,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:17:53,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:17:53,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:17:53,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:17:53,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:17:53,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:17:53,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:17:53,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:17:53,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:17:53,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:17:53,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:17:53,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:17:53,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:17:53,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:17:53,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:17:53,754 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ff52d6-16a0-4550-9f42-2275eafc9942/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:17:53,803 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:17:53,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:17:53,804 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:17:53,804 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:17:53,805 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:17:53,805 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:17:53,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:17:53,806 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:17:53,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:17:53,806 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:17:53,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:17:53,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:17:53,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:17:53,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:17:53,807 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:17:53,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:17:53,807 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:17:53,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:17:53,808 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:17:53,808 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:17:53,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:17:53,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:17:53,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:17:53,811 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:17:53,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:17:53,812 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:17:53,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:17:53,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:17:53,813 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_95ff52d6-16a0-4550-9f42-2275eafc9942/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ff52d6-16a0-4550-9f42-2275eafc9942/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8288a9de178793ff8226fcaf13a19528a323382cd8b50b54e8a1ad5ce998241 [2021-11-23 01:17:54,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:17:54,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:17:54,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:17:54,130 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:17:54,131 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:17:54,133 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ff52d6-16a0-4550-9f42-2275eafc9942/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/loops/sum01-1.i [2021-11-23 01:17:54,230 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ff52d6-16a0-4550-9f42-2275eafc9942/bin/ukojak-LBtLqBUTdQ/data/b7df7b383/15855e5486054b2c8ebad82fe9a78225/FLAG2adec7fe3 [2021-11-23 01:17:54,753 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:17:54,754 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ff52d6-16a0-4550-9f42-2275eafc9942/sv-benchmarks/c/loops/sum01-1.i [2021-11-23 01:17:54,772 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ff52d6-16a0-4550-9f42-2275eafc9942/bin/ukojak-LBtLqBUTdQ/data/b7df7b383/15855e5486054b2c8ebad82fe9a78225/FLAG2adec7fe3 [2021-11-23 01:17:55,118 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ff52d6-16a0-4550-9f42-2275eafc9942/bin/ukojak-LBtLqBUTdQ/data/b7df7b383/15855e5486054b2c8ebad82fe9a78225 [2021-11-23 01:17:55,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:17:55,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:17:55,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:17:55,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:17:55,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:17:55,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:17:55" (1/1) ... [2021-11-23 01:17:55,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c7a3c22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:55, skipping insertion in model container [2021-11-23 01:17:55,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:17:55" (1/1) ... [2021-11-23 01:17:55,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:17:55,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:17:55,313 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_95ff52d6-16a0-4550-9f42-2275eafc9942/sv-benchmarks/c/loops/sum01-1.i[808,821] [2021-11-23 01:17:55,322 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:17:55,329 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:17:55,341 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_95ff52d6-16a0-4550-9f42-2275eafc9942/sv-benchmarks/c/loops/sum01-1.i[808,821] [2021-11-23 01:17:55,344 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:17:55,358 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:17:55,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:55 WrapperNode [2021-11-23 01:17:55,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:17:55,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:17:55,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:17:55,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:17:55,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:55" (1/1) ... [2021-11-23 01:17:55,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:55" (1/1) ... [2021-11-23 01:17:55,390 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2021-11-23 01:17:55,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:17:55,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:17:55,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:17:55,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:17:55,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:55" (1/1) ... [2021-11-23 01:17:55,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:55" (1/1) ... [2021-11-23 01:17:55,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:55" (1/1) ... [2021-11-23 01:17:55,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:55" (1/1) ... [2021-11-23 01:17:55,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:55" (1/1) ... [2021-11-23 01:17:55,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:55" (1/1) ... [2021-11-23 01:17:55,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:55" (1/1) ... [2021-11-23 01:17:55,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:17:55,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:17:55,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:17:55,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:17:55,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:55" (1/1) ... [2021-11-23 01:17:55,423 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:17:55,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ff52d6-16a0-4550-9f42-2275eafc9942/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:17:55,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ff52d6-16a0-4550-9f42-2275eafc9942/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:17:55,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ff52d6-16a0-4550-9f42-2275eafc9942/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:17:55,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:17:55,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:17:55,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:17:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:17:55,546 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:17:55,548 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:17:55,626 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:17:55,649 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:17:55,649 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:17:55,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:17:55 BoogieIcfgContainer [2021-11-23 01:17:55,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:17:55,653 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:17:55,653 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:17:55,664 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:17:55,664 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:17:55" (1/1) ... [2021-11-23 01:17:55,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:17:55,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:55,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2021-11-23 01:17:55,729 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2021-11-23 01:17:55,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:17:55,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:55,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:55,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:55,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:55,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:55,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-23 01:17:55,970 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-23 01:17:55,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:17:55,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:55,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:56,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:56,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:56,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 11 states and 20 transitions. [2021-11-23 01:17:56,456 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 20 transitions. [2021-11-23 01:17:56,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:17:56,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:56,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:56,621 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:57,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:57,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 13 states and 27 transitions. [2021-11-23 01:17:57,133 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 27 transitions. [2021-11-23 01:17:57,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:17:57,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:57,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:57,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:57,292 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:57,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:57,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 14 states and 31 transitions. [2021-11-23 01:17:57,508 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 31 transitions. [2021-11-23 01:17:57,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:17:57,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:57,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:57,747 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:58,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:58,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 15 states and 33 transitions. [2021-11-23 01:17:58,399 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 33 transitions. [2021-11-23 01:17:58,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:17:58,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:58,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:58,506 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:58,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:58,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 17 states and 40 transitions. [2021-11-23 01:17:58,966 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 40 transitions. [2021-11-23 01:17:58,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:17:58,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:58,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:59,207 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:59,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:59,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 19 states and 45 transitions. [2021-11-23 01:17:59,808 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 45 transitions. [2021-11-23 01:17:59,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:17:59,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:59,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:59,878 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:00,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:00,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 20 states and 45 transitions. [2021-11-23 01:18:00,283 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 45 transitions. [2021-11-23 01:18:00,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:18:00,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:00,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:00,350 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:00,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:00,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 21 states and 46 transitions. [2021-11-23 01:18:00,616 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 46 transitions. [2021-11-23 01:18:00,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:18:00,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:00,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:01,159 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:02,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:02,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 22 states and 44 transitions. [2021-11-23 01:18:02,023 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 44 transitions. [2021-11-23 01:18:02,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:18:02,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:02,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:02,161 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:02,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:02,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 23 states and 49 transitions. [2021-11-23 01:18:02,452 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 49 transitions. [2021-11-23 01:18:02,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:18:02,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:02,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:02,596 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:02,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:02,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 24 states and 49 transitions. [2021-11-23 01:18:02,799 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 49 transitions. [2021-11-23 01:18:02,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:18:02,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:02,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:02,926 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:03,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:03,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 25 states and 50 transitions. [2021-11-23 01:18:03,207 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 50 transitions. [2021-11-23 01:18:03,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:18:03,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:03,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:03,513 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:04,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:04,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 26 states and 51 transitions. [2021-11-23 01:18:04,386 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 51 transitions. [2021-11-23 01:18:04,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:18:04,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:04,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:04,507 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:05,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:05,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 29 states and 57 transitions. [2021-11-23 01:18:05,413 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 57 transitions. [2021-11-23 01:18:05,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:18:05,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:05,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:05,663 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:06,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:06,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 30 states and 58 transitions. [2021-11-23 01:18:06,395 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 58 transitions. [2021-11-23 01:18:06,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:18:06,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:06,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:06,526 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:06,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:06,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-23 01:18:06,840 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-23 01:18:06,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:18:06,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:06,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:06,916 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:07,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:07,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 32 states and 60 transitions. [2021-11-23 01:18:07,214 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 60 transitions. [2021-11-23 01:18:07,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:18:07,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:07,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:07,285 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:07,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:07,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 33 states and 63 transitions. [2021-11-23 01:18:07,606 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 63 transitions. [2021-11-23 01:18:07,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:18:07,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:07,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:07,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:07,891 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:08,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:08,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 34 states and 64 transitions. [2021-11-23 01:18:08,632 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 64 transitions. [2021-11-23 01:18:08,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:18:08,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:08,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:08,772 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:09,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:09,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 36 states and 69 transitions. [2021-11-23 01:18:09,518 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2021-11-23 01:18:09,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:18:09,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:09,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:09,599 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:09,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:09,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 69 transitions. [2021-11-23 01:18:09,827 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 69 transitions. [2021-11-23 01:18:09,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:18:09,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:09,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:10,153 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:10,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:10,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 73 transitions. [2021-11-23 01:18:10,980 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 73 transitions. [2021-11-23 01:18:10,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:18:10,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:10,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:10,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:11,063 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:11,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:11,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 74 transitions. [2021-11-23 01:18:11,778 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 74 transitions. [2021-11-23 01:18:11,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:18:11,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:11,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:11,856 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:12,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:12,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 41 states and 74 transitions. [2021-11-23 01:18:12,172 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2021-11-23 01:18:12,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:18:12,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:12,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:18:12,186 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:18:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:18:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:18:12,260 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:18:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:18:12,310 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 26 iterations. [2021-11-23 01:18:12,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:18:12 ImpRootNode [2021-11-23 01:18:12,342 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:18:12,343 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:18:12,343 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:18:12,343 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:18:12,343 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:17:55" (3/4) ... [2021-11-23 01:18:12,345 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 01:18:12,401 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ff52d6-16a0-4550-9f42-2275eafc9942/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:18:12,401 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:18:12,402 INFO L158 Benchmark]: Toolchain (without parser) took 17280.15ms. Allocated memory was 117.4MB in the beginning and 207.6MB in the end (delta: 90.2MB). Free memory was 85.2MB in the beginning and 92.3MB in the end (delta: -7.1MB). Peak memory consumption was 82.0MB. Max. memory is 16.1GB. [2021-11-23 01:18:12,403 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:18:12,403 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.04ms. Allocated memory is still 117.4MB. Free memory was 85.2MB in the beginning and 93.8MB in the end (delta: -8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:18:12,404 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.36ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 92.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:18:12,405 INFO L158 Benchmark]: Boogie Preprocessor took 18.51ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 91.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:18:12,406 INFO L158 Benchmark]: RCFGBuilder took 241.51ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 81.7MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:18:12,406 INFO L158 Benchmark]: CodeCheck took 16689.13ms. Allocated memory was 117.4MB in the beginning and 207.6MB in the end (delta: 90.2MB). Free memory was 81.7MB in the beginning and 94.4MB in the end (delta: -12.6MB). Peak memory consumption was 78.8MB. Max. memory is 16.1GB. [2021-11-23 01:18:12,407 INFO L158 Benchmark]: Witness Printer took 58.48ms. Allocated memory is still 207.6MB. Free memory was 94.4MB in the beginning and 92.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:18:12,411 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.6s, OverallIterations: 26, 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, 146 SdHoareTripleChecker+Valid, 12.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 10.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3620 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5256 IncrementalHoareTripleChecker+Invalid, 8876 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3620 mSolverCounterUnsat, 25 mSDtfsCounter, 5256 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2654 GetRequests, 2333 SyntacticMatches, 119 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18446 ImplicationChecksByTransitivity, 12.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 248 NumberOfCodeBlocks, 248 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 209 ConstructedInterpolants, 0 QuantifiedInterpolants, 3082 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 1 PerfectInterpolantSequences, 0/506 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 - CounterExampleResult [Line: 16]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L23] int i, n=__VERIFIER_nondet_uint(), sn=0; [L23] int i, n=__VERIFIER_nondet_uint(), sn=0; [L24] i=1 VAL [i=1, n=0, n=10] [L24] COND TRUE i<=n [L25] COND TRUE i<10 [L26] sn = sn + (2) [L24] i++ VAL [i=2, n=2, n=10] [L24] COND TRUE i<=n [L25] COND TRUE i<10 [L26] sn = sn + (2) [L24] i++ VAL [i=3, n=4, n=10] [L24] COND TRUE i<=n [L25] COND TRUE i<10 [L26] sn = sn + (2) [L24] i++ VAL [i=4, n=6, n=10] [L24] COND TRUE i<=n [L25] COND TRUE i<10 [L26] sn = sn + (2) [L24] i++ VAL [i=5, n=8, n=10] [L24] COND TRUE i<=n [L25] COND TRUE i<10 [L26] sn = sn + (2) [L24] i++ VAL [i=6, n=10, n=10] [L24] COND TRUE i<=n [L25] COND TRUE i<10 [L26] sn = sn + (2) [L24] i++ VAL [i=7, n=12, n=10] [L24] COND TRUE i<=n [L25] COND TRUE i<10 [L26] sn = sn + (2) [L24] i++ VAL [i=8, n=14, n=10] [L24] COND TRUE i<=n [L25] COND TRUE i<10 [L26] sn = sn + (2) [L24] i++ VAL [i=9, n=10, n=16] [L24] COND TRUE i<=n [L25] COND TRUE i<10 [L26] sn = sn + (2) [L24] i++ VAL [i=10, n=18, n=10] [L24] COND TRUE i<=n [L25] COND FALSE !(i<10) [L24] i++ VAL [i=11, n=10, n=18] [L24] COND FALSE !(i<=n) [L28] CALL __VERIFIER_assert(sn==n*(2) || sn == 0) [L15] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L16] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.04ms. Allocated memory is still 117.4MB. Free memory was 85.2MB in the beginning and 93.8MB in the end (delta: -8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.36ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 92.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.51ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 91.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 241.51ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 81.7MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 16689.13ms. Allocated memory was 117.4MB in the beginning and 207.6MB in the end (delta: 90.2MB). Free memory was 81.7MB in the beginning and 94.4MB in the end (delta: -12.6MB). Peak memory consumption was 78.8MB. Max. memory is 16.1GB. * Witness Printer took 58.48ms. Allocated memory is still 207.6MB. Free memory was 94.4MB in the beginning and 92.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 01:18:12,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ff52d6-16a0-4550-9f42-2275eafc9942/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE