./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem102_label54.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_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/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_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label54.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/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_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/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 5cf3acf990316bb7e5f2509d1d64082075edb8b190bda61e8aaf1c984c902aed --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:31:20,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:31:20,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:31:20,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:31:20,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:31:20,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:31:20,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:31:20,480 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:31:20,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:31:20,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:31:20,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:31:20,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:31:20,488 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:31:20,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:31:20,492 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:31:20,494 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:31:20,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:31:20,498 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:31:20,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:31:20,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:31:20,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:31:20,512 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:31:20,515 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:31:20,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:31:20,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:31:20,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:31:20,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:31:20,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:31:20,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:31:20,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:31:20,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:31:20,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:31:20,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:31:20,531 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:31:20,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:31:20,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:31:20,534 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:31:20,535 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:31:20,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:31:20,537 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:31:20,538 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:31:20,539 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:31:20,574 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:31:20,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:31:20,579 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:31:20,580 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:31:20,581 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:31:20,582 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:31:20,582 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:31:20,582 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:31:20,583 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:31:20,583 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:31:20,585 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:31:20,585 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:31:20,585 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:31:20,586 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:31:20,586 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:31:20,586 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:31:20,587 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:31:20,587 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:31:20,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:31:20,588 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:31:20,589 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:31:20,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:31:20,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:31:20,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:31:20,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:31:20,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:31:20,593 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:31:20,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:31:20,594 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:31:20,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:31:20,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:31:20,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:31:20,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:31:20,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:31:20,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:31:20,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:31:20,597 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:31:20,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:31:20,597 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:31:20,597 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:31:20,598 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:31:20,598 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_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cf3acf990316bb7e5f2509d1d64082075edb8b190bda61e8aaf1c984c902aed [2021-11-23 17:31:20,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:31:20,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:31:20,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:31:20,929 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:31:20,930 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:31:20,931 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/eca-programs/Problem102_label54.c [2021-11-23 17:31:21,008 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/bin/utaipan-fb15Y9Yzbl/data/a8978bf5b/d7651def91804d48bd3fc83dc2a062c9/FLAG01f8d5f45 [2021-11-23 17:31:25,854 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:31:25,854 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/sv-benchmarks/c/eca-programs/Problem102_label54.c [2021-11-23 17:31:26,191 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/bin/utaipan-fb15Y9Yzbl/data/a8978bf5b/d7651def91804d48bd3fc83dc2a062c9/FLAG01f8d5f45 [2021-11-23 17:31:26,468 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/bin/utaipan-fb15Y9Yzbl/data/a8978bf5b/d7651def91804d48bd3fc83dc2a062c9 [2021-11-23 17:31:26,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:31:26,478 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:31:26,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:31:26,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:31:26,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:31:26,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:31:26" (1/1) ... [2021-11-23 17:31:26,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d3b119e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:26, skipping insertion in model container [2021-11-23 17:31:26,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:31:26" (1/1) ... [2021-11-23 17:31:26,506 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:31:28,315 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:32:00,133 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_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/sv-benchmarks/c/eca-programs/Problem102_label54.c[5716103,5716116] [2021-11-23 17:32:00,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:32:00,303 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:32:17,250 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_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/sv-benchmarks/c/eca-programs/Problem102_label54.c[5716103,5716116] [2021-11-23 17:32:17,256 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:32:22,959 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:32:22,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:22 WrapperNode [2021-11-23 17:32:22,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:32:22,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:32:22,962 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:32:22,962 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:32:22,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:22" (1/1) ... [2021-11-23 17:32:24,421 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:22" (1/1) ... [2021-11-23 17:32:30,687 INFO L137 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184295 [2021-11-23 17:32:30,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:32:30,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:32:30,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:32:30,689 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:32:30,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:22" (1/1) ... [2021-11-23 17:32:30,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:22" (1/1) ... [2021-11-23 17:32:31,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:22" (1/1) ... [2021-11-23 17:32:31,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:22" (1/1) ... [2021-11-23 17:32:34,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:22" (1/1) ... [2021-11-23 17:32:35,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:22" (1/1) ... [2021-11-23 17:32:36,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:22" (1/1) ... [2021-11-23 17:32:37,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:32:37,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:32:37,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:32:37,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:32:37,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:22" (1/1) ... [2021-11-23 17:32:37,419 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:32:37,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:32:37,458 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:32:37,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:32:37,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:32:37,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:32:37,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:32:37,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:32:37,867 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:32:37,870 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:33:50,971 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:33:51,194 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 17:33:51,200 INFO L158 Benchmark]: Toolchain (without parser) took 144719.49ms. Allocated memory was 763.4MB in the beginning and 12.2GB in the end (delta: 11.4GB). Free memory was 452.3MB in the beginning and 8.5GB in the end (delta: -8.0GB). Peak memory consumption was 3.7GB. Max. memory is 16.1GB. [2021-11-23 17:33:51,201 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 104.9MB. Free memory is still 57.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:33:51,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 56478.57ms. Allocated memory was 763.4MB in the beginning and 5.9GB in the end (delta: 5.1GB). Free memory was 452.3MB in the beginning and 3.9GB in the end (delta: -3.5GB). Peak memory consumption was 2.8GB. Max. memory is 16.1GB. [2021-11-23 17:33:51,205 INFO L158 Benchmark]: Boogie Procedure Inliner took 7726.80ms. Allocated memory was 5.9GB in the beginning and 8.6GB in the end (delta: 2.8GB). Free memory was 3.9GB in the beginning and 6.1GB in the end (delta: -2.1GB). Peak memory consumption was 919.6MB. Max. memory is 16.1GB. [2021-11-23 17:33:51,206 INFO L158 Benchmark]: Boogie Preprocessor took 6713.59ms. Allocated memory was 8.6GB in the beginning and 11.2GB in the end (delta: 2.6GB). Free memory was 6.1GB in the beginning and 8.2GB in the end (delta: -2.1GB). Peak memory consumption was 768.6MB. Max. memory is 16.1GB. [2021-11-23 17:33:51,207 INFO L158 Benchmark]: RCFGBuilder took 73792.75ms. Allocated memory was 11.2GB in the beginning and 12.2GB in the end (delta: 981.5MB). Free memory was 8.2GB in the beginning and 8.5GB in the end (delta: -283.1MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2021-11-23 17:33:51,217 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 104.9MB. Free memory is still 57.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 56478.57ms. Allocated memory was 763.4MB in the beginning and 5.9GB in the end (delta: 5.1GB). Free memory was 452.3MB in the beginning and 3.9GB in the end (delta: -3.5GB). Peak memory consumption was 2.8GB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 7726.80ms. Allocated memory was 5.9GB in the beginning and 8.6GB in the end (delta: 2.8GB). Free memory was 3.9GB in the beginning and 6.1GB in the end (delta: -2.1GB). Peak memory consumption was 919.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 6713.59ms. Allocated memory was 8.6GB in the beginning and 11.2GB in the end (delta: 2.6GB). Free memory was 6.1GB in the beginning and 8.2GB in the end (delta: -2.1GB). Peak memory consumption was 768.6MB. Max. memory is 16.1GB. * RCFGBuilder took 73792.75ms. Allocated memory was 11.2GB in the beginning and 12.2GB in the end (delta: 981.5MB). Free memory was 8.2GB in the beginning and 8.5GB in the end (delta: -283.1MB). Peak memory consumption was 1.0GB. 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 17:33:51,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/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_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/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_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label54.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/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_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/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 5cf3acf990316bb7e5f2509d1d64082075edb8b190bda61e8aaf1c984c902aed --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:33:54,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:33:54,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:33:54,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:33:54,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:33:54,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:33:54,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:33:54,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:33:54,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:33:54,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:33:54,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:33:54,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:33:54,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:33:54,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:33:54,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:33:54,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:33:54,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:33:54,116 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:33:54,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:33:54,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:33:54,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:33:54,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:33:54,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:33:54,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:33:54,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:33:54,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:33:54,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:33:54,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:33:54,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:33:54,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:33:54,149 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:33:54,150 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:33:54,152 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:33:54,153 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:33:54,154 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:33:54,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:33:54,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:33:54,169 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:33:54,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:33:54,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:33:54,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:33:54,177 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:33:54,220 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:33:54,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:33:54,221 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:33:54,221 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:33:54,222 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:33:54,222 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:33:54,222 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:33:54,222 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:33:54,222 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:33:54,223 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:33:54,224 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:33:54,224 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:33:54,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:33:54,226 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:33:54,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:33:54,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:33:54,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:33:54,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:33:54,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:33:54,227 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:33:54,227 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:33:54,227 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:33:54,227 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:33:54,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:33:54,228 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:33:54,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:33:54,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:33:54,228 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:33:54,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:33:54,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:33:54,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:33:54,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:33:54,230 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:33:54,230 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:33:54,230 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:33:54,230 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:33:54,231 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:33:54,231 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:33:54,231 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_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cf3acf990316bb7e5f2509d1d64082075edb8b190bda61e8aaf1c984c902aed [2021-11-23 17:33:54,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:33:54,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:33:54,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:33:54,665 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:33:54,666 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:33:54,668 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/eca-programs/Problem102_label54.c [2021-11-23 17:33:54,746 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/bin/utaipan-fb15Y9Yzbl/data/f786ab6c6/62ce0af8fa844eda894daf6b424d8348/FLAG966860112 [2021-11-23 17:33:59,850 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:33:59,851 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/sv-benchmarks/c/eca-programs/Problem102_label54.c [2021-11-23 17:34:00,168 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/bin/utaipan-fb15Y9Yzbl/data/f786ab6c6/62ce0af8fa844eda894daf6b424d8348/FLAG966860112 [2021-11-23 17:34:00,604 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/bin/utaipan-fb15Y9Yzbl/data/f786ab6c6/62ce0af8fa844eda894daf6b424d8348 [2021-11-23 17:34:00,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:34:00,609 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:34:00,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:34:00,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:34:00,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:34:00,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:34:00" (1/1) ... [2021-11-23 17:34:00,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fccb116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:00, skipping insertion in model container [2021-11-23 17:34:00,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:34:00" (1/1) ... [2021-11-23 17:34:00,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:34:02,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:34:28,591 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_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/sv-benchmarks/c/eca-programs/Problem102_label54.c[5716103,5716116] [2021-11-23 17:34:28,714 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:34:28,725 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:34:43,195 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_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/sv-benchmarks/c/eca-programs/Problem102_label54.c[5716103,5716116] [2021-11-23 17:34:43,198 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:34:48,641 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:34:48,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:48 WrapperNode [2021-11-23 17:34:48,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:34:48,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:34:48,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:34:48,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:34:48,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:48" (1/1) ... [2021-11-23 17:34:50,620 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:48" (1/1) ... [2021-11-23 17:34:55,557 INFO L137 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184212 [2021-11-23 17:34:55,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:34:55,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:34:55,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:34:55,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:34:55,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:48" (1/1) ... [2021-11-23 17:34:55,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:48" (1/1) ... [2021-11-23 17:34:56,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:48" (1/1) ... [2021-11-23 17:34:56,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:48" (1/1) ... [2021-11-23 17:34:58,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:48" (1/1) ... [2021-11-23 17:34:59,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:48" (1/1) ... [2021-11-23 17:34:59,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:48" (1/1) ... [2021-11-23 17:35:01,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:35:01,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:35:01,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:35:01,343 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:35:01,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:48" (1/1) ... [2021-11-23 17:35:01,360 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:35:01,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:35:01,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:35:01,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:35:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:35:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:35:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:35:01,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:35:01,670 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:35:01,672 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:36:45,716 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:36:45,861 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:36:45,861 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 17:36:45,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:36:45 BoogieIcfgContainer [2021-11-23 17:36:45,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:36:45,887 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:36:45,887 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:36:45,890 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:36:45,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:34:00" (1/3) ... [2021-11-23 17:36:45,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@df76834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:36:45, skipping insertion in model container [2021-11-23 17:36:45,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:48" (2/3) ... [2021-11-23 17:36:45,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@df76834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:36:45, skipping insertion in model container [2021-11-23 17:36:45,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:36:45" (3/3) ... [2021-11-23 17:36:45,893 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem102_label54.c [2021-11-23 17:36:45,899 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:36:45,899 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:36:46,010 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:36:46,018 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 17:36:46,018 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:36:46,373 INFO L276 IsEmpty]: Start isEmpty. Operand has 23215 states, 23213 states have (on average 1.8828673588075646) internal successors, (43707), 23214 states have internal predecessors, (43707), 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 17:36:48,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17915 [2021-11-23 17:36:48,764 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:36:48,783 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:36:48,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:36:48,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1129506016, now seen corresponding path program 1 times [2021-11-23 17:36:48,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:36:48,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [609748891] [2021-11-23 17:36:48,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:36:49,000 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:36:49,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:36:49,001 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:36:49,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f0b016e-5806-4b96-bea6-ad0b935bc6ec/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process