./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5.ufo.UNBOUNDED.pals.c --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_634ebfc6-8532-47c3-a68c-15dff97d0cfd/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634ebfc6-8532-47c3-a68c-15dff97d0cfd/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_634ebfc6-8532-47c3-a68c-15dff97d0cfd/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634ebfc6-8532-47c3-a68c-15dff97d0cfd/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634ebfc6-8532-47c3-a68c-15dff97d0cfd/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_634ebfc6-8532-47c3-a68c-15dff97d0cfd/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 16e0086acf2f158eb0b3309fc7ab7b15830d1af8d2ef9923a4f4e2311d9d7a3f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:16:33,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:16:33,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:16:33,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:16:33,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:16:33,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:16:33,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:16:33,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:16:33,675 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:16:33,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:16:33,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:16:33,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:16:33,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:16:33,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:16:33,698 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:16:33,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:16:33,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:16:33,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:16:33,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:16:33,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:16:33,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:16:33,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:16:33,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:16:33,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:16:33,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:16:33,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:16:33,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:16:33,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:16:33,752 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:16:33,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:16:33,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:16:33,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:16:33,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:16:33,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:16:33,764 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:16:33,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:16:33,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:16:33,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:16:33,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:16:33,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:16:33,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:16:33,770 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634ebfc6-8532-47c3-a68c-15dff97d0cfd/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:16:33,827 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:16:33,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:16:33,829 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:16:33,830 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:16:33,831 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:16:33,831 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:16:33,832 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:16:33,832 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:16:33,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:16:33,832 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:16:33,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:16:33,834 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:16:33,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:16:33,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:16:33,835 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:16:33,836 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:16:33,836 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:16:33,836 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:16:33,836 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:16:33,837 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:16:33,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:16:33,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:16:33,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:16:33,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:16:33,838 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:16:33,839 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:16:33,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:16:33,839 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:16:33,839 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_634ebfc6-8532-47c3-a68c-15dff97d0cfd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634ebfc6-8532-47c3-a68c-15dff97d0cfd/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16e0086acf2f158eb0b3309fc7ab7b15830d1af8d2ef9923a4f4e2311d9d7a3f [2021-11-23 01:16:34,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:16:34,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:16:34,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:16:34,220 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:16:34,221 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:16:34,223 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634ebfc6-8532-47c3-a68c-15dff97d0cfd/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5.ufo.UNBOUNDED.pals.c [2021-11-23 01:16:34,329 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634ebfc6-8532-47c3-a68c-15dff97d0cfd/bin/ukojak-LBtLqBUTdQ/data/07655a8e4/b5a4580dd42044dfab667203ce3069ca/FLAG1b93f3e21 [2021-11-23 01:16:35,188 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:16:35,197 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634ebfc6-8532-47c3-a68c-15dff97d0cfd/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5.ufo.UNBOUNDED.pals.c [2021-11-23 01:16:35,236 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634ebfc6-8532-47c3-a68c-15dff97d0cfd/bin/ukojak-LBtLqBUTdQ/data/07655a8e4/b5a4580dd42044dfab667203ce3069ca/FLAG1b93f3e21 [2021-11-23 01:16:35,346 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634ebfc6-8532-47c3-a68c-15dff97d0cfd/bin/ukojak-LBtLqBUTdQ/data/07655a8e4/b5a4580dd42044dfab667203ce3069ca [2021-11-23 01:16:35,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:16:35,350 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:16:35,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:16:35,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:16:35,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:16:35,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:16:35" (1/1) ... [2021-11-23 01:16:35,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65945de5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:35, skipping insertion in model container [2021-11-23 01:16:35,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:16:35" (1/1) ... [2021-11-23 01:16:35,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:16:35,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:16:36,092 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_634ebfc6-8532-47c3-a68c-15dff97d0cfd/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5.ufo.UNBOUNDED.pals.c[65677,65690] [2021-11-23 01:16:36,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:16:36,110 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:16:36,277 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_634ebfc6-8532-47c3-a68c-15dff97d0cfd/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5.ufo.UNBOUNDED.pals.c[65677,65690] [2021-11-23 01:16:36,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:16:36,311 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:16:36,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:36 WrapperNode [2021-11-23 01:16:36,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:16:36,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:16:36,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:16:36,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:16:36,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:36" (1/1) ... [2021-11-23 01:16:36,358 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:36" (1/1) ... [2021-11-23 01:16:36,487 INFO L137 Inliner]: procedures = 25, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 2133 [2021-11-23 01:16:36,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:16:36,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:16:36,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:16:36,489 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:16:36,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:36" (1/1) ... [2021-11-23 01:16:36,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:36" (1/1) ... [2021-11-23 01:16:36,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:36" (1/1) ... [2021-11-23 01:16:36,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:36" (1/1) ... [2021-11-23 01:16:36,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:36" (1/1) ... [2021-11-23 01:16:36,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:36" (1/1) ... [2021-11-23 01:16:36,617 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:36" (1/1) ... [2021-11-23 01:16:36,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:16:36,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:16:36,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:16:36,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:16:36,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:36" (1/1) ... [2021-11-23 01:16:36,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:16:36,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634ebfc6-8532-47c3-a68c-15dff97d0cfd/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:16:36,697 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634ebfc6-8532-47c3-a68c-15dff97d0cfd/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:16:36,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634ebfc6-8532-47c3-a68c-15dff97d0cfd/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:16:36,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:16:36,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:16:36,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:16:36,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:16:37,072 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:16:37,074 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:16:39,334 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:16:42,004 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:16:42,005 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:16:42,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:16:42 BoogieIcfgContainer [2021-11-23 01:16:42,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:16:42,014 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:16:42,014 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:16:42,028 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:16:42,028 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:16:42" (1/1) ... [2021-11-23 01:16:42,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:16:42,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:42,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 441 states and 754 transitions. [2021-11-23 01:16:42,141 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 754 transitions. [2021-11-23 01:16:42,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-23 01:16:42,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:42,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:43,857 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 01:16:44,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:44,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 442 states and 756 transitions. [2021-11-23 01:16:44,573 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 756 transitions. [2021-11-23 01:16:44,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-23 01:16:44,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:44,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:45,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:45,327 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 01:16:45,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:45,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 445 states and 762 transitions. [2021-11-23 01:16:45,839 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 762 transitions. [2021-11-23 01:16:45,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-23 01:16:45,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:45,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:46,290 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 01:16:46,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:46,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 449 states and 770 transitions. [2021-11-23 01:16:46,994 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 770 transitions. [2021-11-23 01:16:47,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-23 01:16:47,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:47,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:47,470 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 01:16:48,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:48,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 454 states and 780 transitions. [2021-11-23 01:16:48,447 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 780 transitions. [2021-11-23 01:16:48,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-23 01:16:48,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:48,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:48,943 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 01:16:50,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:50,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 460 states and 792 transitions. [2021-11-23 01:16:50,307 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 792 transitions. [2021-11-23 01:16:50,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-23 01:16:50,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:50,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:50,745 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 01:16:52,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:52,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 467 states and 806 transitions. [2021-11-23 01:16:52,639 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 806 transitions. [2021-11-23 01:16:52,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:16:52,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:52,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:54,929 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 01:16:56,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:56,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 476 states and 822 transitions. [2021-11-23 01:16:56,999 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 822 transitions. [2021-11-23 01:16:57,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-23 01:16:57,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:57,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:58,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:58,659 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 01:17:01,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:01,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 484 states and 837 transitions. [2021-11-23 01:17:01,772 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 837 transitions. [2021-11-23 01:17:01,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-23 01:17:01,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:01,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:02,049 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 01:17:02,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:02,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 485 states and 837 transitions. [2021-11-23 01:17:02,516 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 837 transitions. [2021-11-23 01:17:02,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-23 01:17:02,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:02,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:02,706 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 01:17:02,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:02,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 486 states and 838 transitions. [2021-11-23 01:17:02,739 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 838 transitions. [2021-11-23 01:17:02,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-23 01:17:02,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:02,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:04,621 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 01:17:08,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:08,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 498 states and 858 transitions. [2021-11-23 01:17:08,642 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 858 transitions. [2021-11-23 01:17:08,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-23 01:17:08,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:08,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:09,215 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 01:17:09,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:09,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 501 states and 863 transitions. [2021-11-23 01:17:09,720 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 863 transitions. [2021-11-23 01:17:09,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-23 01:17:09,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:09,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:13,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:16,323 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:30,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:30,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 638 states and 1258 transitions. [2021-11-23 01:17:30,585 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 1258 transitions. [2021-11-23 01:17:30,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-23 01:17:30,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:30,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:31,432 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:43,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:43,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 657 states and 1294 transitions. [2021-11-23 01:17:43,883 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 1294 transitions. [2021-11-23 01:17:43,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-23 01:17:43,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:43,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:44,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:44,392 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:45,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:45,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 658 states and 1296 transitions. [2021-11-23 01:17:45,236 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1296 transitions. [2021-11-23 01:17:45,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-23 01:17:45,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:45,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat