./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4_overflow.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_981b8453-18d7-4afd-ade1-458d360966c3/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981b8453-18d7-4afd-ade1-458d360966c3/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_981b8453-18d7-4afd-ade1-458d360966c3/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981b8453-18d7-4afd-ade1-458d360966c3/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981b8453-18d7-4afd-ade1-458d360966c3/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_981b8453-18d7-4afd-ade1-458d360966c3/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 8cf9a91c8f1111f4616406dfb4a7fdeef392d21e591ff8d6357140f3015668db --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:42:20,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:42:20,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:42:20,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:42:20,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:42:20,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:42:20,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:42:20,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:42:20,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:42:20,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:42:20,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:42:20,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:42:20,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:42:20,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:42:20,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:42:20,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:42:20,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:42:20,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:42:20,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:42:20,709 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:42:20,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:42:20,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:42:20,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:42:20,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:42:20,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:42:20,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:42:20,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:42:20,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:42:20,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:42:20,725 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:42:20,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:42:20,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:42:20,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:42:20,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:42:20,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:42:20,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:42:20,736 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:42:20,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:42:20,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:42:20,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:42:20,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:42:20,741 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981b8453-18d7-4afd-ade1-458d360966c3/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:42:20,790 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:42:20,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:42:20,792 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:42:20,792 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:42:20,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:42:20,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:42:20,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:42:20,794 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:42:20,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:42:20,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:42:20,796 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:42:20,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:42:20,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:42:20,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:42:20,797 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:42:20,797 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:42:20,797 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:42:20,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:42:20,798 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:42:20,798 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:42:20,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:42:20,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:42:20,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:42:20,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:42:20,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:42:20,800 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:42:20,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:42:20,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:42:20,800 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_981b8453-18d7-4afd-ade1-458d360966c3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981b8453-18d7-4afd-ade1-458d360966c3/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8cf9a91c8f1111f4616406dfb4a7fdeef392d21e591ff8d6357140f3015668db [2021-11-23 01:42:21,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:42:21,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:42:21,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:42:21,189 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:42:21,190 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:42:21,192 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981b8453-18d7-4afd-ade1-458d360966c3/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c [2021-11-23 01:42:21,262 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981b8453-18d7-4afd-ade1-458d360966c3/bin/ukojak-LBtLqBUTdQ/data/ba8f3e0d9/15be953bbd564736893d856c53a1dd4d/FLAGcefbfd8ca [2021-11-23 01:42:21,752 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:42:21,753 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981b8453-18d7-4afd-ade1-458d360966c3/sv-benchmarks/c/seq-mthreaded/pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c [2021-11-23 01:42:21,763 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981b8453-18d7-4afd-ade1-458d360966c3/bin/ukojak-LBtLqBUTdQ/data/ba8f3e0d9/15be953bbd564736893d856c53a1dd4d/FLAGcefbfd8ca [2021-11-23 01:42:22,091 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981b8453-18d7-4afd-ade1-458d360966c3/bin/ukojak-LBtLqBUTdQ/data/ba8f3e0d9/15be953bbd564736893d856c53a1dd4d [2021-11-23 01:42:22,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:42:22,094 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:42:22,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:42:22,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:42:22,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:42:22,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:42:22" (1/1) ... [2021-11-23 01:42:22,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bd106cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:22, skipping insertion in model container [2021-11-23 01:42:22,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:42:22" (1/1) ... [2021-11-23 01:42:22,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:42:22,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:42:22,416 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_981b8453-18d7-4afd-ade1-458d360966c3/sv-benchmarks/c/seq-mthreaded/pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c[8379,8392] [2021-11-23 01:42:22,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:42:22,441 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:42:22,514 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_981b8453-18d7-4afd-ade1-458d360966c3/sv-benchmarks/c/seq-mthreaded/pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c[8379,8392] [2021-11-23 01:42:22,520 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:42:22,537 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:42:22,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:22 WrapperNode [2021-11-23 01:42:22,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:42:22,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:42:22,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:42:22,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:42:22,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:22" (1/1) ... [2021-11-23 01:42:22,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:22" (1/1) ... [2021-11-23 01:42:22,596 INFO L137 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 272 [2021-11-23 01:42:22,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:42:22,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:42:22,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:42:22,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:42:22,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:22" (1/1) ... [2021-11-23 01:42:22,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:22" (1/1) ... [2021-11-23 01:42:22,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:22" (1/1) ... [2021-11-23 01:42:22,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:22" (1/1) ... [2021-11-23 01:42:22,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:22" (1/1) ... [2021-11-23 01:42:22,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:22" (1/1) ... [2021-11-23 01:42:22,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:22" (1/1) ... [2021-11-23 01:42:22,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:42:22,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:42:22,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:42:22,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:42:22,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:22" (1/1) ... [2021-11-23 01:42:22,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:42:22,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981b8453-18d7-4afd-ade1-458d360966c3/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:42:22,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981b8453-18d7-4afd-ade1-458d360966c3/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:42:22,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981b8453-18d7-4afd-ade1-458d360966c3/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:42:22,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:42:22,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:42:22,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:42:22,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:42:22,812 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:42:22,813 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:42:23,252 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:42:23,598 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:42:23,598 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:42:23,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:42:23 BoogieIcfgContainer [2021-11-23 01:42:23,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:42:23,602 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:42:23,602 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:42:23,612 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:42:23,613 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:42:23" (1/1) ... [2021-11-23 01:42:23,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:42:23,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:23,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-23 01:42:23,686 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-23 01:42:23,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:42:23,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:23,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:24,134 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 01:42:24,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:24,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-23 01:42:24,240 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-23 01:42:24,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:42:24,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:24,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:24,494 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 01:42:24,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:24,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2021-11-23 01:42:24,800 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2021-11-23 01:42:24,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:42:24,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:24,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:25,009 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 01:42:25,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:25,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2021-11-23 01:42:25,482 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2021-11-23 01:42:25,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:42:25,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:25,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:25,655 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 01:42:25,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:25,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2021-11-23 01:42:25,894 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2021-11-23 01:42:25,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:42:25,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:25,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:26,907 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 01:42:29,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:29,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2021-11-23 01:42:29,980 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2021-11-23 01:42:29,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:42:29,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:29,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:31,004 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:35,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:35,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 41 states and 73 transitions. [2021-11-23 01:42:35,548 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 73 transitions. [2021-11-23 01:42:35,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:42:35,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:35,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:36,142 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:36,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:36,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2021-11-23 01:42:36,607 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2021-11-23 01:42:36,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:42:36,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:36,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:36,910 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:40,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:40,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 52 states and 97 transitions. [2021-11-23 01:42:40,073 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 97 transitions. [2021-11-23 01:42:40,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:42:40,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:40,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:40,681 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:41,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:41,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 54 states and 101 transitions. [2021-11-23 01:42:41,241 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 101 transitions. [2021-11-23 01:42:41,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:42:41,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:41,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:41,871 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:47,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:47,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 70 states and 140 transitions. [2021-11-23 01:42:47,999 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 140 transitions. [2021-11-23 01:42:48,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:42:48,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:48,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:48,375 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:52,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:52,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 76 states and 150 transitions. [2021-11-23 01:42:52,690 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 150 transitions. [2021-11-23 01:42:52,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:42:52,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:52,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:53,510 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:00,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:00,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 92 states and 184 transitions. [2021-11-23 01:43:00,405 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 184 transitions. [2021-11-23 01:43:00,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:43:00,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:00,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:00,624 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:04,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:04,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 98 states and 192 transitions. [2021-11-23 01:43:04,776 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 192 transitions. [2021-11-23 01:43:04,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:43:04,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:04,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:04,942 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:08,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:08,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 104 states and 200 transitions. [2021-11-23 01:43:08,347 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 200 transitions. [2021-11-23 01:43:08,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:43:08,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:08,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:08,554 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:09,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:09,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 105 states and 205 transitions. [2021-11-23 01:43:09,381 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 205 transitions. [2021-11-23 01:43:09,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:43:09,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:09,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:09,550 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:10,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:10,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 106 states and 205 transitions. [2021-11-23 01:43:10,339 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 205 transitions. [2021-11-23 01:43:10,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:43:10,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:10,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:20,841 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:08,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:08,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 130 states and 268 transitions. [2021-11-23 01:44:08,448 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 268 transitions. [2021-11-23 01:44:08,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:44:08,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:08,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:13,980 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:30,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:30,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 136 states and 276 transitions. [2021-11-23 01:44:30,636 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 276 transitions. [2021-11-23 01:44:30,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:44:30,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:30,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:31,538 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:38,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:38,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 144 states and 301 transitions. [2021-11-23 01:44:38,050 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 301 transitions. [2021-11-23 01:44:38,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:44:38,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:38,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:50,254 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:18,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:18,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 168 states and 361 transitions. [2021-11-23 01:46:18,930 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 361 transitions. [2021-11-23 01:46:18,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:46:18,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:18,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:24,863 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:01,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:01,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 179 states and 386 transitions. [2021-11-23 01:47:01,812 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 386 transitions. [2021-11-23 01:47:01,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:47:01,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:01,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:07,522 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:18,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:18,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 187 states and 400 transitions. [2021-11-23 01:47:18,675 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 400 transitions. [2021-11-23 01:47:18,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:47:18,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:18,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:24,414 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:26,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:26,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 188 states and 411 transitions. [2021-11-23 01:47:26,712 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 411 transitions. [2021-11-23 01:47:26,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:47:26,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:26,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:26,878 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:39,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:39,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 194 states and 417 transitions. [2021-11-23 01:47:39,599 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 417 transitions. [2021-11-23 01:47:39,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:47:39,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:39,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:39,753 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:50,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:50,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 200 states and 425 transitions. [2021-11-23 01:47:50,627 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 425 transitions. [2021-11-23 01:47:50,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:47:50,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:50,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:54,975 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:26,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:26,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 214 states and 480 transitions. [2021-11-23 01:48:26,286 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 480 transitions. [2021-11-23 01:48:26,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:48:26,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:26,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:26,479 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:36,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:36,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 216 states and 482 transitions. [2021-11-23 01:48:36,775 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 482 transitions. [2021-11-23 01:48:36,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:48:36,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:36,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:36,953 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:47,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:47,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 222 states and 490 transitions. [2021-11-23 01:48:47,496 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 490 transitions. [2021-11-23 01:48:47,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:48:47,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:47,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:54,775 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 28 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:58,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:58,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 246 states and 565 transitions. [2021-11-23 01:49:58,800 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 565 transitions. [2021-11-23 01:49:58,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:49:58,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:58,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:59,994 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:13,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:13,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 254 states and 590 transitions. [2021-11-23 01:50:13,479 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 590 transitions. [2021-11-23 01:50:13,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:50:13,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:13,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:13,652 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:32,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:32,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 260 states and 617 transitions. [2021-11-23 01:50:32,435 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 617 transitions. [2021-11-23 01:50:32,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:50:32,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:32,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:32,672 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 28 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:59,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:59,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 267 states and 634 transitions. [2021-11-23 01:50:59,137 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 634 transitions. [2021-11-23 01:50:59,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:50:59,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:59,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:59,373 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 28 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:01,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:01,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 268 states and 637 transitions. [2021-11-23 01:51:01,581 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 637 transitions. [2021-11-23 01:51:01,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:51:01,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:01,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:01,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:01,769 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:11,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:11,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 274 states and 647 transitions. [2021-11-23 01:51:11,725 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 647 transitions. [2021-11-23 01:51:11,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:51:11,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:11,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:11,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:11,945 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 28 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:26,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:26,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 281 states and 657 transitions. [2021-11-23 01:51:26,017 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 657 transitions. [2021-11-23 01:51:26,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:51:26,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:26,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:26,183 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:28,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:28,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 282 states and 660 transitions. [2021-11-23 01:51:28,815 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 660 transitions. [2021-11-23 01:51:28,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:51:28,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:28,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:29,007 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 28 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:50,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:50,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 293 states and 672 transitions. [2021-11-23 01:51:50,024 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 672 transitions. [2021-11-23 01:51:50,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:51:50,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:50,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:50,237 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 28 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:02,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:02,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 299 states and 683 transitions. [2021-11-23 01:52:02,818 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 683 transitions. [2021-11-23 01:52:02,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:52:02,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:02,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:02,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:02,995 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:11,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:11,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 301 states and 685 transitions. [2021-11-23 01:52:11,441 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 685 transitions. [2021-11-23 01:52:11,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:52:11,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:11,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:25,586 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.