./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem08_label33.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_d6b40fee-a54a-4ada-bfed-23c50a91b900/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b40fee-a54a-4ada-bfed-23c50a91b900/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_d6b40fee-a54a-4ada-bfed-23c50a91b900/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b40fee-a54a-4ada-bfed-23c50a91b900/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem08_label33.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b40fee-a54a-4ada-bfed-23c50a91b900/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_d6b40fee-a54a-4ada-bfed-23c50a91b900/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 ec8b838680edb21d55cfb6287d326cdd121d0d8ab625c2d97884f346c674b7c7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:49:10,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:49:10,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:49:10,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:49:10,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:49:10,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:49:10,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:49:10,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:49:10,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:49:10,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:49:10,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:49:10,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:49:10,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:49:10,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:49:10,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:49:10,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:49:10,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:49:10,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:49:10,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:49:10,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:49:10,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:49:10,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:49:10,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:49:10,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:49:10,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:49:10,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:49:10,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:49:10,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:49:10,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:49:10,702 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:49:10,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:49:10,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:49:10,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:49:10,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:49:10,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:49:10,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:49:10,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:49:10,708 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:49:10,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:49:10,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:49:10,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:49:10,712 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b40fee-a54a-4ada-bfed-23c50a91b900/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 16:49:10,738 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:49:10,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:49:10,738 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:49:10,739 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:49:10,739 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:49:10,740 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:49:10,740 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:49:10,740 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:49:10,740 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:49:10,741 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:49:10,741 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:49:10,741 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:49:10,741 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:49:10,741 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:49:10,742 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:49:10,742 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:49:10,742 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:49:10,742 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:49:10,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:49:10,743 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:49:10,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:49:10,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:49:10,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:49:10,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:49:10,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:49:10,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:49:10,745 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:49:10,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:49:10,745 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:49:10,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:49:10,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:49:10,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:49:10,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:49:10,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:49:10,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:49:10,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:49:10,747 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:49:10,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:49:10,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:49:10,748 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:49:10,748 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:49:10,748 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_d6b40fee-a54a-4ada-bfed-23c50a91b900/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b40fee-a54a-4ada-bfed-23c50a91b900/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec8b838680edb21d55cfb6287d326cdd121d0d8ab625c2d97884f346c674b7c7 [2021-11-23 16:49:10,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:49:11,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:49:11,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:49:11,028 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:49:11,028 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:49:11,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b40fee-a54a-4ada-bfed-23c50a91b900/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/eca-rers2012/Problem08_label33.c [2021-11-23 16:49:11,118 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b40fee-a54a-4ada-bfed-23c50a91b900/bin/utaipan-fb15Y9Yzbl/data/0c62854d6/55b6ff6899fe4c7c960495b90c0078a7/FLAG68644894d [2021-11-23 16:49:15,563 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:49:15,564 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b40fee-a54a-4ada-bfed-23c50a91b900/sv-benchmarks/c/eca-rers2012/Problem08_label33.c [2021-11-23 16:49:16,151 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b40fee-a54a-4ada-bfed-23c50a91b900/bin/utaipan-fb15Y9Yzbl/data/0c62854d6/55b6ff6899fe4c7c960495b90c0078a7/FLAG68644894d [2021-11-23 16:49:16,672 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b40fee-a54a-4ada-bfed-23c50a91b900/bin/utaipan-fb15Y9Yzbl/data/0c62854d6/55b6ff6899fe4c7c960495b90c0078a7 [2021-11-23 16:49:16,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:49:16,676 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:49:16,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:49:16,679 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:49:16,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:49:16,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:49:16" (1/1) ... [2021-11-23 16:49:16,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bde4bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:16, skipping insertion in model container [2021-11-23 16:49:16,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:49:16" (1/1) ... [2021-11-23 16:49:16,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:49:18,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:49:49,101 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_d6b40fee-a54a-4ada-bfed-23c50a91b900/sv-benchmarks/c/eca-rers2012/Problem08_label33.c[5715743,5715756] [2021-11-23 16:49:49,255 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:49:49,278 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:50:05,734 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_d6b40fee-a54a-4ada-bfed-23c50a91b900/sv-benchmarks/c/eca-rers2012/Problem08_label33.c[5715743,5715756] [2021-11-23 16:50:05,738 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:50:11,355 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:50:11,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:11 WrapperNode [2021-11-23 16:50:11,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:50:11,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:50:11,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:50:11,357 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:50:11,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:11" (1/1) ... [2021-11-23 16:50:12,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:11" (1/1) ... [2021-11-23 16:50:18,387 INFO L137 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184288 [2021-11-23 16:50:18,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:50:18,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:50:18,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:50:18,390 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:50:18,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:11" (1/1) ... [2021-11-23 16:50:18,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:11" (1/1) ... [2021-11-23 16:50:19,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:11" (1/1) ... [2021-11-23 16:50:19,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:11" (1/1) ... [2021-11-23 16:50:21,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:11" (1/1) ... [2021-11-23 16:50:23,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:11" (1/1) ... [2021-11-23 16:50:23,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:11" (1/1) ... [2021-11-23 16:50:24,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:50:24,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:50:24,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:50:24,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:50:24,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:11" (1/1) ... [2021-11-23 16:50:24,487 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:50:24,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b40fee-a54a-4ada-bfed-23c50a91b900/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:50:24,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b40fee-a54a-4ada-bfed-23c50a91b900/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:50:24,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b40fee-a54a-4ada-bfed-23c50a91b900/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:50:24,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:50:24,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 16:50:24,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:50:24,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:50:24,830 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:50:24,832 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:51:40,103 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:51:40,374 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 16:51:40,387 INFO L158 Benchmark]: Toolchain (without parser) took 143707.93ms. Allocated memory was 1.1GB in the beginning and 11.8GB in the end (delta: 10.7GB). Free memory was 872.4MB in the beginning and 8.0GB in the end (delta: -7.1GB). Peak memory consumption was 3.7GB. Max. memory is 16.1GB. [2021-11-23 16:51:40,389 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 79.7MB. Free memory was 38.2MB in the beginning and 38.1MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:51:40,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 54677.38ms. Allocated memory was 1.1GB in the beginning and 7.0GB in the end (delta: 5.8GB). Free memory was 872.4MB in the beginning and 5.1GB in the end (delta: -4.2GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. [2021-11-23 16:51:40,394 INFO L158 Benchmark]: Boogie Procedure Inliner took 7032.12ms. Allocated memory is still 7.0GB. Free memory was 5.1GB in the beginning and 4.4GB in the end (delta: 676.9MB). Peak memory consumption was 871.9MB. Max. memory is 16.1GB. [2021-11-23 16:51:40,395 INFO L158 Benchmark]: Boogie Preprocessor took 6083.11ms. Allocated memory was 7.0GB in the beginning and 9.5GB in the end (delta: 2.5GB). Free memory was 4.4GB in the beginning and 6.4GB in the end (delta: -2.0GB). Peak memory consumption was 787.5MB. Max. memory is 16.1GB. [2021-11-23 16:51:40,397 INFO L158 Benchmark]: RCFGBuilder took 75907.51ms. Allocated memory was 9.5GB in the beginning and 11.8GB in the end (delta: 2.3GB). Free memory was 6.4GB in the beginning and 8.0GB in the end (delta: -1.6GB). Peak memory consumption was 957.3MB. Max. memory is 16.1GB. [2021-11-23 16:51:40,410 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 79.7MB. Free memory was 38.2MB in the beginning and 38.1MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 54677.38ms. Allocated memory was 1.1GB in the beginning and 7.0GB in the end (delta: 5.8GB). Free memory was 872.4MB in the beginning and 5.1GB in the end (delta: -4.2GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 7032.12ms. Allocated memory is still 7.0GB. Free memory was 5.1GB in the beginning and 4.4GB in the end (delta: 676.9MB). Peak memory consumption was 871.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 6083.11ms. Allocated memory was 7.0GB in the beginning and 9.5GB in the end (delta: 2.5GB). Free memory was 4.4GB in the beginning and 6.4GB in the end (delta: -2.0GB). Peak memory consumption was 787.5MB. Max. memory is 16.1GB. * RCFGBuilder took 75907.51ms. Allocated memory was 9.5GB in the beginning and 11.8GB in the end (delta: 2.3GB). Free memory was 6.4GB in the beginning and 8.0GB in the end (delta: -1.6GB). Peak memory consumption was 957.3MB. 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 16:51:40,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b40fee-a54a-4ada-bfed-23c50a91b900/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_d6b40fee-a54a-4ada-bfed-23c50a91b900/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b40fee-a54a-4ada-bfed-23c50a91b900/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_d6b40fee-a54a-4ada-bfed-23c50a91b900/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b40fee-a54a-4ada-bfed-23c50a91b900/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem08_label33.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b40fee-a54a-4ada-bfed-23c50a91b900/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_d6b40fee-a54a-4ada-bfed-23c50a91b900/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 ec8b838680edb21d55cfb6287d326cdd121d0d8ab625c2d97884f346c674b7c7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:51:43,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:51:43,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:51:43,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:51:43,775 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:51:43,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:51:43,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:51:43,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:51:43,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:51:43,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:51:43,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:51:43,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:51:43,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:51:43,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:51:43,795 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:51:43,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:51:43,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:51:43,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:51:43,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:51:43,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:51:43,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:51:43,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:51:43,826 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:51:43,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:51:43,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:51:43,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:51:43,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:51:43,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:51:43,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:51:43,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:51:43,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:51:43,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:51:43,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:51:43,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:51:43,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:51:43,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:51:43,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:51:43,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:51:43,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:51:43,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:51:43,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:51:43,849 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b40fee-a54a-4ada-bfed-23c50a91b900/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 16:51:43,907 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:51:43,907 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:51:43,908 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:51:43,908 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:51:43,910 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:51:43,910 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:51:43,910 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:51:43,911 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:51:43,911 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:51:43,911 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:51:43,912 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:51:43,913 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:51:43,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:51:43,915 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:51:43,915 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:51:43,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:51:43,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:51:43,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:51:43,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:51:43,916 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:51:43,917 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:51:43,917 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:51:43,917 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:51:43,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:51:43,918 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:51:43,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:51:43,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:51:43,919 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:51:43,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:51:43,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:51:43,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:51:43,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:51:43,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:51:43,921 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:51:43,921 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:51:43,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:51:43,922 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:51:43,922 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:51:43,923 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_d6b40fee-a54a-4ada-bfed-23c50a91b900/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b40fee-a54a-4ada-bfed-23c50a91b900/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec8b838680edb21d55cfb6287d326cdd121d0d8ab625c2d97884f346c674b7c7 [2021-11-23 16:51:44,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:51:44,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:51:44,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:51:44,418 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:51:44,419 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:51:44,421 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b40fee-a54a-4ada-bfed-23c50a91b900/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/eca-rers2012/Problem08_label33.c [2021-11-23 16:51:44,487 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b40fee-a54a-4ada-bfed-23c50a91b900/bin/utaipan-fb15Y9Yzbl/data/5521c428f/4fd32d0aed664a7d8ee81adcf4a0e3d4/FLAG1dc5a464f [2021-11-23 16:51:49,632 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:51:49,633 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b40fee-a54a-4ada-bfed-23c50a91b900/sv-benchmarks/c/eca-rers2012/Problem08_label33.c [2021-11-23 16:51:50,148 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b40fee-a54a-4ada-bfed-23c50a91b900/bin/utaipan-fb15Y9Yzbl/data/5521c428f/4fd32d0aed664a7d8ee81adcf4a0e3d4/FLAG1dc5a464f [2021-11-23 16:51:50,454 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b40fee-a54a-4ada-bfed-23c50a91b900/bin/utaipan-fb15Y9Yzbl/data/5521c428f/4fd32d0aed664a7d8ee81adcf4a0e3d4 [2021-11-23 16:51:50,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:51:50,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:51:50,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:51:50,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:51:50,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:51:50,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:51:50" (1/1) ... [2021-11-23 16:51:50,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68ab2f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:50, skipping insertion in model container [2021-11-23 16:51:50,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:51:50" (1/1) ... [2021-11-23 16:51:50,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:51:52,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:52:23,213 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_d6b40fee-a54a-4ada-bfed-23c50a91b900/sv-benchmarks/c/eca-rers2012/Problem08_label33.c[5715743,5715756] [2021-11-23 16:52:23,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:52:23,364 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:52:39,703 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_d6b40fee-a54a-4ada-bfed-23c50a91b900/sv-benchmarks/c/eca-rers2012/Problem08_label33.c[5715743,5715756] [2021-11-23 16:52:39,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:52:45,530 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:52:45,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:52:45 WrapperNode [2021-11-23 16:52:45,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:52:45,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:52:45,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:52:45,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:52:45,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:52:45" (1/1) ... [2021-11-23 16:52:47,223 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:52:45" (1/1) ... [2021-11-23 16:52:53,959 INFO L137 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184205 [2021-11-23 16:52:53,959 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:52:53,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:52:53,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:52:53,961 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:52:53,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:52:45" (1/1) ... [2021-11-23 16:52:53,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:52:45" (1/1) ... [2021-11-23 16:52:55,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:52:45" (1/1) ... [2021-11-23 16:52:55,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:52:45" (1/1) ... [2021-11-23 16:52:57,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:52:45" (1/1) ... [2021-11-23 16:52:59,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:52:45" (1/1) ... [2021-11-23 16:53:00,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:52:45" (1/1) ... [2021-11-23 16:53:01,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:53:01,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:53:01,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:53:01,241 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:53:01,242 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:52:45" (1/1) ... [2021-11-23 16:53:01,258 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:53:01,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b40fee-a54a-4ada-bfed-23c50a91b900/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:53:01,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b40fee-a54a-4ada-bfed-23c50a91b900/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:53:01,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b40fee-a54a-4ada-bfed-23c50a91b900/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:53:01,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:53:01,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 16:53:01,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:53:01,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:53:01,645 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:53:01,648 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:54:59,824 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:55:00,250 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 16:55:00,250 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 16:55:00,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:55:00 BoogieIcfgContainer [2021-11-23 16:55:00,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 16:55:00,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 16:55:00,286 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 16:55:00,290 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 16:55:00,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:51:50" (1/3) ... [2021-11-23 16:55:00,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@657f02ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:55:00, skipping insertion in model container [2021-11-23 16:55:00,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:52:45" (2/3) ... [2021-11-23 16:55:00,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@657f02ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:55:00, skipping insertion in model container [2021-11-23 16:55:00,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:55:00" (3/3) ... [2021-11-23 16:55:00,296 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem08_label33.c [2021-11-23 16:55:00,303 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 16:55:00,303 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 16:55:00,453 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 16:55:00,468 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 16:55:00,468 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 16:55:00,931 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)