./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f3d87cda29c87bf57e92aba668210746c81813e12063a67a43996181b640be8a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:03:10,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:03:10,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:03:10,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:03:10,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:03:10,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:03:10,785 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:03:10,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:03:10,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:03:10,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:03:10,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:03:10,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:03:10,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:03:10,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:03:10,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:03:10,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:03:10,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:03:10,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:03:10,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:03:10,807 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:03:10,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:03:10,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:03:10,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:03:10,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:03:10,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:03:10,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:03:10,827 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:03:10,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:03:10,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:03:10,831 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:03:10,832 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:03:10,833 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:03:10,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:03:10,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:03:10,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:03:10,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:03:10,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:03:10,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:03:10,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:03:10,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:03:10,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:03:10,843 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:03:10,892 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:03:10,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:03:10,895 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:03:10,896 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:03:10,902 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:03:10,903 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:03:10,903 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:03:10,904 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:03:10,904 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:03:10,904 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:03:10,905 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:03:10,905 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:03:10,906 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:03:10,906 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:03:10,906 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:03:10,906 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:03:10,907 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:03:10,907 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:03:10,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:03:10,908 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:03:10,908 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:03:10,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:03:10,909 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:03:10,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:03:10,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:03:10,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:03:10,909 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:03:10,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:03:10,910 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:03:10,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:03:10,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:03:10,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:03:10,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:03:10,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:03:10,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:03:10,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:03:10,912 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:03:10,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:03:10,913 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:03:10,913 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:03:10,913 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:03:10,913 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3d87cda29c87bf57e92aba668210746c81813e12063a67a43996181b640be8a [2021-11-23 17:03:11,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:03:11,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:03:11,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:03:11,182 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:03:11,183 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:03:11,184 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/eca-rers2012/Problem01_label04.c [2021-11-23 17:03:11,269 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/data/e2f2b4489/f999dae04ee24ed68308d8a812acb1cf/FLAGbf0a905d8 [2021-11-23 17:03:11,795 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:03:11,795 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/sv-benchmarks/c/eca-rers2012/Problem01_label04.c [2021-11-23 17:03:11,808 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/data/e2f2b4489/f999dae04ee24ed68308d8a812acb1cf/FLAGbf0a905d8 [2021-11-23 17:03:12,084 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/data/e2f2b4489/f999dae04ee24ed68308d8a812acb1cf [2021-11-23 17:03:12,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:03:12,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:03:12,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:03:12,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:03:12,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:03:12,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:03:12" (1/1) ... [2021-11-23 17:03:12,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34273bce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:12, skipping insertion in model container [2021-11-23 17:03:12,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:03:12" (1/1) ... [2021-11-23 17:03:12,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:03:12,152 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:03:12,517 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_bfd6516a-6548-4c58-a1d9-11bc47df812e/sv-benchmarks/c/eca-rers2012/Problem01_label04.c[17486,17499] [2021-11-23 17:03:12,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:03:12,568 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:03:12,702 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_bfd6516a-6548-4c58-a1d9-11bc47df812e/sv-benchmarks/c/eca-rers2012/Problem01_label04.c[17486,17499] [2021-11-23 17:03:12,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:03:12,742 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:03:12,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:12 WrapperNode [2021-11-23 17:03:12,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:03:12,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:03:12,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:03:12,744 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:03:12,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:12" (1/1) ... [2021-11-23 17:03:12,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:12" (1/1) ... [2021-11-23 17:03:12,865 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 657 [2021-11-23 17:03:12,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:03:12,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:03:12,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:03:12,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:03:12,877 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:12" (1/1) ... [2021-11-23 17:03:12,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:12" (1/1) ... [2021-11-23 17:03:12,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:12" (1/1) ... [2021-11-23 17:03:12,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:12" (1/1) ... [2021-11-23 17:03:12,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:12" (1/1) ... [2021-11-23 17:03:12,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:12" (1/1) ... [2021-11-23 17:03:12,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:12" (1/1) ... [2021-11-23 17:03:12,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:03:12,978 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:03:12,978 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:03:12,978 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:03:12,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:12" (1/1) ... [2021-11-23 17:03:12,986 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:03:12,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:03:13,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:03:13,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:03:13,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:03:13,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:03:13,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:03:13,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:03:13,174 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:03:13,176 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:03:14,186 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:03:14,245 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:03:14,251 INFO L158 Benchmark]: Toolchain (without parser) took 2160.28ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 55.5MB in the beginning and 74.9MB in the end (delta: -19.4MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2021-11-23 17:03:14,252 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 92.3MB. Free memory was 61.9MB in the beginning and 61.9MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:03:14,253 INFO L158 Benchmark]: CACSL2BoogieTranslator took 652.38ms. Allocated memory is still 92.3MB. Free memory was 55.2MB in the beginning and 50.8MB in the end (delta: 4.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 17:03:14,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 124.11ms. Allocated memory is still 92.3MB. Free memory was 50.8MB in the beginning and 45.1MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:03:14,256 INFO L158 Benchmark]: Boogie Preprocessor took 108.31ms. Allocated memory is still 92.3MB. Free memory was 45.1MB in the beginning and 40.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:03:14,256 INFO L158 Benchmark]: RCFGBuilder took 1269.85ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 40.9MB in the beginning and 74.9MB in the end (delta: -33.9MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2021-11-23 17:03:14,266 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 92.3MB. Free memory was 61.9MB in the beginning and 61.9MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 652.38ms. Allocated memory is still 92.3MB. Free memory was 55.2MB in the beginning and 50.8MB in the end (delta: 4.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 124.11ms. Allocated memory is still 92.3MB. Free memory was 50.8MB in the beginning and 45.1MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 108.31ms. Allocated memory is still 92.3MB. Free memory was 45.1MB in the beginning and 40.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1269.85ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 40.9MB in the beginning and 74.9MB in the end (delta: -33.9MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:03:14,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f3d87cda29c87bf57e92aba668210746c81813e12063a67a43996181b640be8a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:03:16,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:03:16,639 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:03:16,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:03:16,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:03:16,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:03:16,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:03:16,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:03:16,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:03:16,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:03:16,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:03:16,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:03:16,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:03:16,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:03:16,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:03:16,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:03:16,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:03:16,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:03:16,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:03:16,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:03:16,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:03:16,755 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:03:16,758 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:03:16,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:03:16,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:03:16,770 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:03:16,771 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:03:16,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:03:16,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:03:16,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:03:16,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:03:16,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:03:16,779 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:03:16,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:03:16,782 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:03:16,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:03:16,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:03:16,784 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:03:16,784 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:03:16,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:03:16,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:03:16,792 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:03:16,838 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:03:16,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:03:16,839 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:03:16,839 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:03:16,840 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:03:16,841 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:03:16,841 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:03:16,841 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:03:16,841 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:03:16,842 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:03:16,843 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:03:16,843 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:03:16,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:03:16,845 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:03:16,846 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:03:16,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:03:16,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:03:16,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:03:16,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:03:16,847 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:03:16,847 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:03:16,847 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:03:16,847 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:03:16,848 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:03:16,848 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:03:16,848 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:03:16,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:03:16,849 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:03:16,849 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:03:16,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:03:16,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:03:16,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:03:16,850 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:03:16,851 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:03:16,851 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:03:16,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:03:16,851 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:03:16,852 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:03:16,852 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3d87cda29c87bf57e92aba668210746c81813e12063a67a43996181b640be8a [2021-11-23 17:03:17,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:03:17,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:03:17,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:03:17,298 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:03:17,299 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:03:17,300 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/eca-rers2012/Problem01_label04.c [2021-11-23 17:03:17,386 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/data/0c65f8495/50ae0615b804455a9622912a643d91e9/FLAG2396bc08d [2021-11-23 17:03:18,066 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:03:18,068 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/sv-benchmarks/c/eca-rers2012/Problem01_label04.c [2021-11-23 17:03:18,081 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/data/0c65f8495/50ae0615b804455a9622912a643d91e9/FLAG2396bc08d [2021-11-23 17:03:18,293 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/data/0c65f8495/50ae0615b804455a9622912a643d91e9 [2021-11-23 17:03:18,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:03:18,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:03:18,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:03:18,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:03:18,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:03:18,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:03:18" (1/1) ... [2021-11-23 17:03:18,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5755bd28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:18, skipping insertion in model container [2021-11-23 17:03:18,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:03:18" (1/1) ... [2021-11-23 17:03:18,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:03:18,383 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:03:18,795 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_bfd6516a-6548-4c58-a1d9-11bc47df812e/sv-benchmarks/c/eca-rers2012/Problem01_label04.c[17486,17499] [2021-11-23 17:03:18,858 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:03:18,881 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:03:18,965 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_bfd6516a-6548-4c58-a1d9-11bc47df812e/sv-benchmarks/c/eca-rers2012/Problem01_label04.c[17486,17499] [2021-11-23 17:03:18,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:03:18,995 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:03:18,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:18 WrapperNode [2021-11-23 17:03:18,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:03:18,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:03:18,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:03:18,997 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:03:19,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:18" (1/1) ... [2021-11-23 17:03:19,026 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:18" (1/1) ... [2021-11-23 17:03:19,084 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 655 [2021-11-23 17:03:19,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:03:19,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:03:19,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:03:19,086 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:03:19,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:18" (1/1) ... [2021-11-23 17:03:19,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:18" (1/1) ... [2021-11-23 17:03:19,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:18" (1/1) ... [2021-11-23 17:03:19,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:18" (1/1) ... [2021-11-23 17:03:19,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:18" (1/1) ... [2021-11-23 17:03:19,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:18" (1/1) ... [2021-11-23 17:03:19,141 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:18" (1/1) ... [2021-11-23 17:03:19,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:03:19,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:03:19,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:03:19,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:03:19,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:18" (1/1) ... [2021-11-23 17:03:19,174 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:03:19,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:03:19,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:03:19,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:03:19,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:03:19,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:03:19,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:03:19,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:03:19,340 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:03:19,342 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:03:20,524 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:03:20,536 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:03:20,537 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 17:03:20,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:03:20 BoogieIcfgContainer [2021-11-23 17:03:20,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:03:20,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:03:20,542 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:03:20,545 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:03:20,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:03:18" (1/3) ... [2021-11-23 17:03:20,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4dafef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:03:20, skipping insertion in model container [2021-11-23 17:03:20,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:03:18" (2/3) ... [2021-11-23 17:03:20,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4dafef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:03:20, skipping insertion in model container [2021-11-23 17:03:20,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:03:20" (3/3) ... [2021-11-23 17:03:20,548 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label04.c [2021-11-23 17:03:20,556 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:03:20,557 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:03:20,623 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:03:20,632 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 17:03:20,632 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:03:20,659 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:03:20,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 17:03:20,676 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:03:20,677 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:03:20,677 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:03:20,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:03:20,683 INFO L85 PathProgramCache]: Analyzing trace with hash 857742575, now seen corresponding path program 1 times [2021-11-23 17:03:20,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:03:20,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [673851262] [2021-11-23 17:03:20,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:03:20,701 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:03:20,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:03:20,707 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:03:20,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:03:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:03:20,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 17:03:20,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:03:28,324 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 17:03:28,324 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 17:03:28,325 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:03:28,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [673851262] [2021-11-23 17:03:28,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [673851262] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 17:03:28,327 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 17:03:28,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 17:03:28,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515797755] [2021-11-23 17:03:28,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 17:03:28,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 17:03:28,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:03:28,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 17:03:28,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-11-23 17:03:28,375 INFO L87 Difference]: Start difference. First operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 10 states, 10 states have (on average 9.6) internal successors, (96), 9 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:03:30,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:03:30,587 INFO L93 Difference]: Finished difference Result 723 states and 1297 transitions. [2021-11-23 17:03:30,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 17:03:30,590 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.6) internal successors, (96), 9 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-23 17:03:30,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:03:30,605 INFO L225 Difference]: With dead ends: 723 [2021-11-23 17:03:30,605 INFO L226 Difference]: Without dead ends: 455 [2021-11-23 17:03:30,610 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2021-11-23 17:03:30,613 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 625 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 1476 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 625 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 1711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 1476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-23 17:03:30,614 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [625 Valid, 173 Invalid, 1711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [235 Valid, 1476 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-23 17:03:30,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2021-11-23 17:03:30,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 455. [2021-11-23 17:03:30,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 454 states have (on average 1.2995594713656389) internal successors, (590), 454 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:03:30,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 590 transitions. [2021-11-23 17:03:30,682 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 590 transitions. Word has length 96 [2021-11-23 17:03:30,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:03:30,683 INFO L470 AbstractCegarLoop]: Abstraction has 455 states and 590 transitions. [2021-11-23 17:03:30,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.6) internal successors, (96), 9 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:03:30,683 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 590 transitions. [2021-11-23 17:03:30,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 17:03:30,690 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:03:30,691 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:03:30,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:03:30,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:03:30,901 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:03:30,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:03:30,902 INFO L85 PathProgramCache]: Analyzing trace with hash -138483326, now seen corresponding path program 1 times [2021-11-23 17:03:30,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:03:30,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1040945732] [2021-11-23 17:03:30,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:03:30,903 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:03:30,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:03:30,907 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:03:30,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-23 17:03:30,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:03:30,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 17:03:30,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:03:31,269 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 17:03:31,269 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 17:03:31,269 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:03:31,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1040945732] [2021-11-23 17:03:31,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1040945732] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 17:03:31,270 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 17:03:31,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 17:03:31,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391756277] [2021-11-23 17:03:31,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 17:03:31,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 17:03:31,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:03:31,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 17:03:31,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:03:31,273 INFO L87 Difference]: Start difference. First operand 455 states and 590 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:03:31,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:03:31,902 INFO L93 Difference]: Finished difference Result 981 states and 1357 transitions. [2021-11-23 17:03:31,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 17:03:31,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-23 17:03:31,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:03:31,909 INFO L225 Difference]: With dead ends: 981 [2021-11-23 17:03:31,909 INFO L226 Difference]: Without dead ends: 717 [2021-11-23 17:03:31,915 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:03:31,921 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 54 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-23 17:03:31,922 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 31 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-23 17:03:31,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2021-11-23 17:03:31,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 717. [2021-11-23 17:03:31,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 717 states, 716 states have (on average 1.3156424581005586) internal successors, (942), 716 states have internal predecessors, (942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:03:31,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 942 transitions. [2021-11-23 17:03:31,970 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 942 transitions. Word has length 103 [2021-11-23 17:03:31,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:03:31,971 INFO L470 AbstractCegarLoop]: Abstraction has 717 states and 942 transitions. [2021-11-23 17:03:31,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:03:31,972 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 942 transitions. [2021-11-23 17:03:31,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-23 17:03:31,981 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:03:31,981 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:03:32,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-23 17:03:32,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:03:32,193 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:03:32,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:03:32,193 INFO L85 PathProgramCache]: Analyzing trace with hash -110561280, now seen corresponding path program 1 times [2021-11-23 17:03:32,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:03:32,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1934105635] [2021-11-23 17:03:32,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:03:32,195 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:03:32,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:03:32,197 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:03:32,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-23 17:03:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:03:32,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 17:03:32,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:03:32,485 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 17:03:32,485 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 17:03:32,486 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:03:32,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1934105635] [2021-11-23 17:03:32,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1934105635] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 17:03:32,486 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 17:03:32,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 17:03:32,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807590838] [2021-11-23 17:03:32,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 17:03:32,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 17:03:32,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:03:32,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 17:03:32,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:03:32,489 INFO L87 Difference]: Start difference. First operand 717 states and 942 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:03:33,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:03:33,095 INFO L93 Difference]: Finished difference Result 1505 states and 1952 transitions. [2021-11-23 17:03:33,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 17:03:33,096 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2021-11-23 17:03:33,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:03:33,100 INFO L225 Difference]: With dead ends: 1505 [2021-11-23 17:03:33,100 INFO L226 Difference]: Without dead ends: 717 [2021-11-23 17:03:33,101 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:03:33,103 INFO L933 BasicCegarLoop]: 56 mSDtfsCounter, 131 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-23 17:03:33,103 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 60 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-23 17:03:33,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2021-11-23 17:03:33,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 717. [2021-11-23 17:03:33,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 717 states, 716 states have (on average 1.1927374301675977) internal successors, (854), 716 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:03:33,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 854 transitions. [2021-11-23 17:03:33,132 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 854 transitions. Word has length 116 [2021-11-23 17:03:33,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:03:33,133 INFO L470 AbstractCegarLoop]: Abstraction has 717 states and 854 transitions. [2021-11-23 17:03:33,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:03:33,133 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 854 transitions. [2021-11-23 17:03:33,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 17:03:33,138 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:03:33,139 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:03:33,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-23 17:03:33,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:03:33,358 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:03:33,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:03:33,359 INFO L85 PathProgramCache]: Analyzing trace with hash -596162693, now seen corresponding path program 1 times [2021-11-23 17:03:33,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:03:33,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1479402013] [2021-11-23 17:03:33,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:03:33,361 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:03:33,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:03:33,362 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:03:33,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-23 17:03:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:03:33,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 17:03:33,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:03:33,699 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 17:03:33,699 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 17:03:33,700 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:03:33,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1479402013] [2021-11-23 17:03:33,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1479402013] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 17:03:33,700 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 17:03:33,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 17:03:33,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457294572] [2021-11-23 17:03:33,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 17:03:33,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 17:03:33,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:03:33,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 17:03:33,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:03:33,703 INFO L87 Difference]: Start difference. First operand 717 states and 854 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:03:34,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:03:34,289 INFO L93 Difference]: Finished difference Result 1636 states and 2014 transitions. [2021-11-23 17:03:34,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 17:03:34,290 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2021-11-23 17:03:34,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:03:34,297 INFO L225 Difference]: With dead ends: 1636 [2021-11-23 17:03:34,297 INFO L226 Difference]: Without dead ends: 1110 [2021-11-23 17:03:34,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:03:34,300 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 56 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-23 17:03:34,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 37 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-23 17:03:34,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2021-11-23 17:03:34,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1110. [2021-11-23 17:03:34,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 1109 states have (on average 1.1947700631199278) internal successors, (1325), 1109 states have internal predecessors, (1325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:03:34,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1325 transitions. [2021-11-23 17:03:34,333 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1325 transitions. Word has length 118 [2021-11-23 17:03:34,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:03:34,334 INFO L470 AbstractCegarLoop]: Abstraction has 1110 states and 1325 transitions. [2021-11-23 17:03:34,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:03:34,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1325 transitions. [2021-11-23 17:03:34,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 17:03:34,337 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:03:34,337 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:03:34,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-23 17:03:34,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:03:34,549 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:03:34,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:03:34,549 INFO L85 PathProgramCache]: Analyzing trace with hash -146461112, now seen corresponding path program 1 times [2021-11-23 17:03:34,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:03:34,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2008560141] [2021-11-23 17:03:34,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:03:34,552 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:03:34,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:03:34,557 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:03:34,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-23 17:03:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:03:34,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 17:03:34,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:03:34,788 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 17:03:34,789 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 17:03:34,789 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:03:34,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2008560141] [2021-11-23 17:03:34,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2008560141] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 17:03:34,790 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 17:03:34,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 17:03:34,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158279251] [2021-11-23 17:03:34,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 17:03:34,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 17:03:34,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:03:34,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 17:03:34,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:03:34,792 INFO L87 Difference]: Start difference. First operand 1110 states and 1325 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:03:35,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:03:35,423 INFO L93 Difference]: Finished difference Result 2553 states and 3093 transitions. [2021-11-23 17:03:35,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 17:03:35,424 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-11-23 17:03:35,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:03:35,431 INFO L225 Difference]: With dead ends: 2553 [2021-11-23 17:03:35,432 INFO L226 Difference]: Without dead ends: 1503 [2021-11-23 17:03:35,433 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:03:35,434 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 138 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-23 17:03:35,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 192 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-23 17:03:35,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1503 states. [2021-11-23 17:03:35,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1503 to 1372. [2021-11-23 17:03:35,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1372 states, 1371 states have (on average 1.1035740335521518) internal successors, (1513), 1371 states have internal predecessors, (1513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:03:35,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 1513 transitions. [2021-11-23 17:03:35,474 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 1513 transitions. Word has length 120 [2021-11-23 17:03:35,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:03:35,474 INFO L470 AbstractCegarLoop]: Abstraction has 1372 states and 1513 transitions. [2021-11-23 17:03:35,475 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:03:35,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1513 transitions. [2021-11-23 17:03:35,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-23 17:03:35,478 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:03:35,478 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:03:35,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-23 17:03:35,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:03:35,690 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:03:35,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:03:35,691 INFO L85 PathProgramCache]: Analyzing trace with hash 188623347, now seen corresponding path program 1 times [2021-11-23 17:03:35,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:03:35,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1670294575] [2021-11-23 17:03:35,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:03:35,693 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:03:35,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:03:35,694 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:03:35,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-23 17:03:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:03:35,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 17:03:35,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:03:35,956 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 17:03:35,956 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 17:03:35,957 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:03:35,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1670294575] [2021-11-23 17:03:35,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1670294575] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 17:03:35,957 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 17:03:35,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 17:03:35,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255563878] [2021-11-23 17:03:35,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 17:03:35,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 17:03:35,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:03:35,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 17:03:35,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:03:35,960 INFO L87 Difference]: Start difference. First operand 1372 states and 1513 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:03:36,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:03:36,563 INFO L93 Difference]: Finished difference Result 2684 states and 2984 transitions. [2021-11-23 17:03:36,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 17:03:36,564 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 150 [2021-11-23 17:03:36,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:03:36,572 INFO L225 Difference]: With dead ends: 2684 [2021-11-23 17:03:36,572 INFO L226 Difference]: Without dead ends: 1503 [2021-11-23 17:03:36,574 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:03:36,575 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 134 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-23 17:03:36,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 169 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-23 17:03:36,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1503 states. [2021-11-23 17:03:36,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1503 to 1503. [2021-11-23 17:03:36,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1503 states, 1502 states have (on average 1.0918774966711051) internal successors, (1640), 1502 states have internal predecessors, (1640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:03:36,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1503 states and 1640 transitions. [2021-11-23 17:03:36,617 INFO L78 Accepts]: Start accepts. Automaton has 1503 states and 1640 transitions. Word has length 150 [2021-11-23 17:03:36,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:03:36,618 INFO L470 AbstractCegarLoop]: Abstraction has 1503 states and 1640 transitions. [2021-11-23 17:03:36,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:03:36,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1640 transitions. [2021-11-23 17:03:36,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-23 17:03:36,621 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:03:36,622 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:03:36,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-23 17:03:36,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:03:36,833 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:03:36,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:03:36,834 INFO L85 PathProgramCache]: Analyzing trace with hash 959810604, now seen corresponding path program 1 times [2021-11-23 17:03:36,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:03:36,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [507970913] [2021-11-23 17:03:36,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:03:36,836 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:03:36,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:03:36,837 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:03:36,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-23 17:03:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:03:36,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 17:03:36,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:03:37,221 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 17:03:37,222 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 17:03:37,222 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:03:37,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [507970913] [2021-11-23 17:03:37,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [507970913] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 17:03:37,222 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 17:03:37,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 17:03:37,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175972185] [2021-11-23 17:03:37,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 17:03:37,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 17:03:37,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:03:37,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 17:03:37,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:03:37,224 INFO L87 Difference]: Start difference. First operand 1503 states and 1640 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:03:37,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:03:37,776 INFO L93 Difference]: Finished difference Result 3601 states and 3963 transitions. [2021-11-23 17:03:37,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 17:03:37,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 159 [2021-11-23 17:03:37,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:03:37,796 INFO L225 Difference]: With dead ends: 3601 [2021-11-23 17:03:37,796 INFO L226 Difference]: Without dead ends: 1896 [2021-11-23 17:03:37,798 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:03:37,799 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 126 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-23 17:03:37,799 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 47 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-23 17:03:37,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1896 states. [2021-11-23 17:03:37,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1896 to 1765. [2021-11-23 17:03:37,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1765 states, 1764 states have (on average 1.0821995464852607) internal successors, (1909), 1764 states have internal predecessors, (1909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:03:37,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1765 states to 1765 states and 1909 transitions. [2021-11-23 17:03:37,846 INFO L78 Accepts]: Start accepts. Automaton has 1765 states and 1909 transitions. Word has length 159 [2021-11-23 17:03:37,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:03:37,847 INFO L470 AbstractCegarLoop]: Abstraction has 1765 states and 1909 transitions. [2021-11-23 17:03:37,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:03:37,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1765 states and 1909 transitions. [2021-11-23 17:03:37,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-23 17:03:37,851 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:03:37,852 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:03:37,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-23 17:03:38,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:03:38,063 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:03:38,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:03:38,064 INFO L85 PathProgramCache]: Analyzing trace with hash 96560159, now seen corresponding path program 1 times [2021-11-23 17:03:38,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:03:38,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [720580569] [2021-11-23 17:03:38,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:03:38,066 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:03:38,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:03:38,068 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:03:38,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-23 17:03:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:03:38,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 17:03:38,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:03:38,493 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 17:03:38,493 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 17:03:38,493 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:03:38,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [720580569] [2021-11-23 17:03:38,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [720580569] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 17:03:38,493 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 17:03:38,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 17:03:38,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848212379] [2021-11-23 17:03:38,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 17:03:38,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 17:03:38,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:03:38,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 17:03:38,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 17:03:38,495 INFO L87 Difference]: Start difference. First operand 1765 states and 1909 transitions. Second operand has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:03:39,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:03:39,240 INFO L93 Difference]: Finished difference Result 3992 states and 4333 transitions. [2021-11-23 17:03:39,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 17:03:39,240 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 175 [2021-11-23 17:03:39,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:03:39,240 INFO L225 Difference]: With dead ends: 3992 [2021-11-23 17:03:39,240 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 17:03:39,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 17:03:39,245 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 231 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-23 17:03:39,245 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [231 Valid, 36 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-23 17:03:39,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 17:03:39,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 17:03:39,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:03:39,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 17:03:39,246 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 175 [2021-11-23 17:03:39,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:03:39,246 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 17:03:39,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:03:39,247 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 17:03:39,247 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 17:03:39,249 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 17:03:39,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-11-23 17:03:39,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:03:39,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 17:03:40,041 INFO L858 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2021-11-23 17:03:40,041 INFO L858 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2021-11-23 17:03:40,041 INFO L858 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2021-11-23 17:03:40,041 INFO L858 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2021-11-23 17:03:40,042 INFO L858 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2021-11-23 17:03:40,042 INFO L858 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2021-11-23 17:03:40,042 INFO L858 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2021-11-23 17:03:40,042 INFO L858 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2021-11-23 17:03:40,042 INFO L858 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,042 INFO L858 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,042 INFO L858 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,042 INFO L858 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,042 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2021-11-23 17:03:40,042 INFO L858 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,042 INFO L858 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,042 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2021-11-23 17:03:40,043 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2021-11-23 17:03:40,043 INFO L858 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2021-11-23 17:03:40,043 INFO L858 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2021-11-23 17:03:40,043 INFO L858 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2021-11-23 17:03:40,043 INFO L858 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2021-11-23 17:03:40,043 INFO L858 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2021-11-23 17:03:40,043 INFO L858 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2021-11-23 17:03:40,043 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2021-11-23 17:03:40,043 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2021-11-23 17:03:40,043 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2021-11-23 17:03:40,044 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2021-11-23 17:03:40,044 INFO L858 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,044 INFO L858 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,044 INFO L858 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,044 INFO L858 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,044 INFO L858 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,044 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2021-11-23 17:03:40,044 INFO L858 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,044 INFO L858 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2021-11-23 17:03:40,044 INFO L858 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2021-11-23 17:03:40,045 INFO L858 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2021-11-23 17:03:40,045 INFO L858 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2021-11-23 17:03:40,045 INFO L858 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2021-11-23 17:03:40,045 INFO L858 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2021-11-23 17:03:40,045 INFO L858 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2021-11-23 17:03:40,045 INFO L858 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2021-11-23 17:03:40,045 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2021-11-23 17:03:40,045 INFO L858 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2021-11-23 17:03:40,045 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2021-11-23 17:03:40,045 INFO L858 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2021-11-23 17:03:40,045 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2021-11-23 17:03:40,046 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2021-11-23 17:03:40,046 INFO L858 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,046 INFO L858 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,046 INFO L858 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,046 INFO L858 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,046 INFO L858 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,046 INFO L858 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,046 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2021-11-23 17:03:40,046 INFO L858 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2021-11-23 17:03:40,046 INFO L858 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2021-11-23 17:03:40,047 INFO L858 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2021-11-23 17:03:40,047 INFO L858 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2021-11-23 17:03:40,047 INFO L858 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2021-11-23 17:03:40,047 INFO L858 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2021-11-23 17:03:40,047 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2021-11-23 17:03:40,047 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2021-11-23 17:03:40,047 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2021-11-23 17:03:40,047 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2021-11-23 17:03:40,047 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2021-11-23 17:03:40,047 INFO L858 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,047 INFO L858 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,048 INFO L858 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,048 INFO L858 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,048 INFO L858 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,048 INFO L858 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,048 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2021-11-23 17:03:40,048 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2021-11-23 17:03:40,048 INFO L858 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2021-11-23 17:03:40,048 INFO L858 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2021-11-23 17:03:40,048 INFO L858 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2021-11-23 17:03:40,048 INFO L858 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2021-11-23 17:03:40,048 INFO L858 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2021-11-23 17:03:40,049 INFO L858 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2021-11-23 17:03:40,049 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2021-11-23 17:03:40,049 INFO L858 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2021-11-23 17:03:40,049 INFO L858 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,049 INFO L858 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,049 INFO L858 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,049 INFO L858 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,049 INFO L858 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,049 INFO L858 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,049 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2021-11-23 17:03:40,049 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2021-11-23 17:03:40,049 INFO L858 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2021-11-23 17:03:40,049 INFO L858 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2021-11-23 17:03:40,049 INFO L858 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2021-11-23 17:03:40,049 INFO L858 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2021-11-23 17:03:40,050 INFO L858 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2021-11-23 17:03:40,050 INFO L858 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2021-11-23 17:03:40,050 INFO L858 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2021-11-23 17:03:40,050 INFO L858 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2021-11-23 17:03:40,050 INFO L858 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2021-11-23 17:03:40,050 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2021-11-23 17:03:40,050 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2021-11-23 17:03:40,050 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2021-11-23 17:03:40,050 INFO L858 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2021-11-23 17:03:40,050 INFO L858 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,050 INFO L858 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,050 INFO L858 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,050 INFO L858 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,050 INFO L858 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,051 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-23 17:03:40,051 INFO L858 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2021-11-23 17:03:40,051 INFO L858 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2021-11-23 17:03:40,051 INFO L858 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2021-11-23 17:03:40,051 INFO L858 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2021-11-23 17:03:40,051 INFO L858 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2021-11-23 17:03:40,051 INFO L858 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2021-11-23 17:03:40,051 INFO L858 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2021-11-23 17:03:40,051 INFO L858 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2021-11-23 17:03:40,051 INFO L858 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2021-11-23 17:03:40,051 INFO L854 garLoopResultBuilder]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse3 (= (_ bv1 32) ~a20~0))) (let ((.cse1 (= (_ bv1 32) ~a17~0)) (.cse0 (= ~a8~0 (_ bv15 32))) (.cse2 (= (_ bv1 32) ~a21~0)) (.cse6 (not (= (_ bv8 32) ~a12~0))) (.cse7 (not .cse3)) (.cse5 (= ~a7~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~a17~0)) (.cse8 (= (_ bv5 32) ~a16~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse2) (and .cse0 .cse4 .cse2) (and .cse5 (or .cse6 .cse7 (not .cse2))) (and (= (_ bv4 32) ~a16~0) .cse4 .cse2) (and .cse4 .cse8 .cse2 (or .cse6 .cse7)) (and .cse5 .cse4 .cse8)))) [2021-11-23 17:03:40,052 INFO L858 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,052 INFO L858 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,052 INFO L858 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,052 INFO L858 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,052 INFO L858 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,052 INFO L858 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2021-11-23 17:03:40,052 INFO L858 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2021-11-23 17:03:40,052 INFO L858 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2021-11-23 17:03:40,052 INFO L858 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2021-11-23 17:03:40,052 INFO L858 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2021-11-23 17:03:40,052 INFO L858 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2021-11-23 17:03:40,052 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2021-11-23 17:03:40,052 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2021-11-23 17:03:40,052 INFO L858 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2021-11-23 17:03:40,053 INFO L858 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2021-11-23 17:03:40,053 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2021-11-23 17:03:40,053 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2021-11-23 17:03:40,053 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 17:03:40,053 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2021-11-23 17:03:40,053 INFO L861 garLoopResultBuilder]: At program point L587(lines 587 604) the Hoare annotation is: true [2021-11-23 17:03:40,053 INFO L858 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,053 INFO L858 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,053 INFO L858 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,054 INFO L858 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,054 INFO L858 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,054 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2021-11-23 17:03:40,054 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2021-11-23 17:03:40,054 INFO L858 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2021-11-23 17:03:40,054 INFO L858 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2021-11-23 17:03:40,054 INFO L858 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2021-11-23 17:03:40,055 INFO L858 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2021-11-23 17:03:40,055 INFO L858 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2021-11-23 17:03:40,055 INFO L858 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2021-11-23 17:03:40,055 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2021-11-23 17:03:40,055 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-23 17:03:40,055 INFO L858 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,056 INFO L858 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,056 INFO L858 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,056 INFO L858 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,056 INFO L858 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2021-11-23 17:03:40,056 INFO L858 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,056 INFO L858 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2021-11-23 17:03:40,056 INFO L858 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2021-11-23 17:03:40,057 INFO L858 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2021-11-23 17:03:40,057 INFO L858 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2021-11-23 17:03:40,057 INFO L858 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2021-11-23 17:03:40,057 INFO L858 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2021-11-23 17:03:40,057 INFO L858 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2021-11-23 17:03:40,057 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2021-11-23 17:03:40,057 INFO L858 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2021-11-23 17:03:40,058 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2021-11-23 17:03:40,058 INFO L858 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2021-11-23 17:03:40,058 INFO L858 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2021-11-23 17:03:40,058 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2021-11-23 17:03:40,058 INFO L858 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,058 INFO L854 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse3 (= (_ bv1 32) ~a20~0))) (let ((.cse1 (= (_ bv1 32) ~a17~0)) (.cse0 (= ~a8~0 (_ bv15 32))) (.cse2 (= (_ bv1 32) ~a21~0)) (.cse6 (not (= (_ bv8 32) ~a12~0))) (.cse7 (not .cse3)) (.cse5 (= ~a7~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~a17~0)) (.cse8 (= (_ bv5 32) ~a16~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse2) (and .cse0 .cse4 .cse2) (and .cse5 (or .cse6 .cse7 (not .cse2))) (and (= (_ bv4 32) ~a16~0) .cse4 .cse2) (and .cse4 .cse8 .cse2 (or .cse6 .cse7)) (and .cse5 .cse4 .cse8)))) [2021-11-23 17:03:40,059 INFO L858 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,059 INFO L858 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,059 INFO L858 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,059 INFO L858 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,059 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2021-11-23 17:03:40,059 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-23 17:03:40,060 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 474) no Hoare annotation was computed. [2021-11-23 17:03:40,060 INFO L858 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2021-11-23 17:03:40,060 INFO L858 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2021-11-23 17:03:40,060 INFO L858 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2021-11-23 17:03:40,060 INFO L858 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2021-11-23 17:03:40,060 INFO L858 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2021-11-23 17:03:40,060 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2021-11-23 17:03:40,061 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2021-11-23 17:03:40,061 INFO L858 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,061 INFO L858 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,061 INFO L858 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,061 INFO L858 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,061 INFO L858 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 17:03:40,061 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2021-11-23 17:03:40,062 INFO L858 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2021-11-23 17:03:40,062 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2021-11-23 17:03:40,062 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2021-11-23 17:03:40,067 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:03:40,069 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 17:03:40,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 05:03:40 BoogieIcfgContainer [2021-11-23 17:03:40,092 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 17:03:40,093 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 17:03:40,093 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 17:03:40,093 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 17:03:40,094 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:03:20" (3/4) ... [2021-11-23 17:03:40,096 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 17:03:40,132 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-23 17:03:40,133 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 17:03:40,135 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 17:03:40,136 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 17:03:40,275 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/witness.graphml [2021-11-23 17:03:40,276 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 17:03:40,276 INFO L158 Benchmark]: Toolchain (without parser) took 21977.50ms. Allocated memory was 56.6MB in the beginning and 197.1MB in the end (delta: 140.5MB). Free memory was 32.2MB in the beginning and 159.5MB in the end (delta: -127.3MB). Peak memory consumption was 122.0MB. Max. memory is 16.1GB. [2021-11-23 17:03:40,277 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 56.6MB. Free memory was 36.4MB in the beginning and 36.4MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:03:40,277 INFO L158 Benchmark]: CACSL2BoogieTranslator took 693.08ms. Allocated memory was 56.6MB in the beginning and 79.7MB in the end (delta: 23.1MB). Free memory was 32.0MB in the beginning and 52.1MB in the end (delta: -20.1MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2021-11-23 17:03:40,277 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.92ms. Allocated memory is still 79.7MB. Free memory was 52.1MB in the beginning and 46.5MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:03:40,278 INFO L158 Benchmark]: Boogie Preprocessor took 75.69ms. Allocated memory is still 79.7MB. Free memory was 46.5MB in the beginning and 42.0MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:03:40,278 INFO L158 Benchmark]: RCFGBuilder took 1378.17ms. Allocated memory is still 79.7MB. Free memory was 42.0MB in the beginning and 48.2MB in the end (delta: -6.2MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2021-11-23 17:03:40,279 INFO L158 Benchmark]: TraceAbstraction took 19550.56ms. Allocated memory was 79.7MB in the beginning and 197.1MB in the end (delta: 117.4MB). Free memory was 47.8MB in the beginning and 59.0MB in the end (delta: -11.2MB). Peak memory consumption was 106.8MB. Max. memory is 16.1GB. [2021-11-23 17:03:40,279 INFO L158 Benchmark]: Witness Printer took 182.73ms. Allocated memory is still 197.1MB. Free memory was 59.0MB in the beginning and 159.5MB in the end (delta: -100.5MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2021-11-23 17:03:40,282 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 56.6MB. Free memory was 36.4MB in the beginning and 36.4MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 693.08ms. Allocated memory was 56.6MB in the beginning and 79.7MB in the end (delta: 23.1MB). Free memory was 32.0MB in the beginning and 52.1MB in the end (delta: -20.1MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.92ms. Allocated memory is still 79.7MB. Free memory was 52.1MB in the beginning and 46.5MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.69ms. Allocated memory is still 79.7MB. Free memory was 46.5MB in the beginning and 42.0MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1378.17ms. Allocated memory is still 79.7MB. Free memory was 42.0MB in the beginning and 48.2MB in the end (delta: -6.2MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * TraceAbstraction took 19550.56ms. Allocated memory was 79.7MB in the beginning and 197.1MB in the end (delta: 117.4MB). Free memory was 47.8MB in the beginning and 59.0MB in the end (delta: -11.2MB). Peak memory consumption was 106.8MB. Max. memory is 16.1GB. * Witness Printer took 182.73ms. Allocated memory is still 197.1MB. Free memory was 59.0MB in the beginning and 159.5MB in the end (delta: -100.5MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 474]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.4s, OverallIterations: 8, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1495 SdHoareTripleChecker+Valid, 6.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1495 mSDsluCounter, 745 SdHoareTripleChecker+Invalid, 5.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 81 mSDsCounter, 632 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3972 IncrementalHoareTripleChecker+Invalid, 4604 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 632 mSolverCounterUnsat, 664 mSDtfsCounter, 3972 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1030 GetRequests, 1013 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1765occurred in iteration=7, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 262 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 54 NumberOfFragments, 175 HoareAnnotationTreeSize, 3 FomulaSimplifications, 106 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1027 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 9.1s InterpolantComputationTime, 1037 NumberOfCodeBlocks, 1037 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1029 ConstructedInterpolants, 0 QuantifiedInterpolants, 7090 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1557 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 378/378 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: (((((((a8 == 15bv32 && 1bv32 == a17) && 1bv32 == a21) || ((1bv32 == a20 && 1bv32 == a17) && 1bv32 == a21)) || ((a8 == 15bv32 && 0bv32 == a17) && 1bv32 == a21)) || (a7 == 1bv32 && ((!(8bv32 == a12) || !(1bv32 == a20)) || !(1bv32 == a21)))) || ((4bv32 == a16 && 0bv32 == a17) && 1bv32 == a21)) || (((0bv32 == a17 && 5bv32 == a16) && 1bv32 == a21) && (!(8bv32 == a12) || !(1bv32 == a20)))) || ((a7 == 1bv32 && 0bv32 == a17) && 5bv32 == a16) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((((((a8 == 15bv32 && 1bv32 == a17) && 1bv32 == a21) || ((1bv32 == a20 && 1bv32 == a17) && 1bv32 == a21)) || ((a8 == 15bv32 && 0bv32 == a17) && 1bv32 == a21)) || (a7 == 1bv32 && ((!(8bv32 == a12) || !(1bv32 == a20)) || !(1bv32 == a21)))) || ((4bv32 == a16 && 0bv32 == a17) && 1bv32 == a21)) || (((0bv32 == a17 && 5bv32 == a16) && 1bv32 == a21) && (!(8bv32 == a12) || !(1bv32 == a20)))) || ((a7 == 1bv32 && 0bv32 == a17) && 5bv32 == a16) RESULT: Ultimate proved your program to be correct! [2021-11-23 17:03:40,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd6516a-6548-4c58-a1d9-11bc47df812e/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE