./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem08_label36.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_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/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_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem08_label36.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/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_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/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 a20c49f3582b32c3cec1a5dfc1815c6c092999096bb4b2da6902587a162d75e0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:47:05,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:47:05,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:47:05,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:47:05,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:47:05,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:47:05,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:47:05,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:47:05,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:47:05,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:47:05,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:47:05,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:47:05,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:47:05,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:47:05,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:47:05,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:47:05,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:47:05,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:47:05,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:47:05,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:47:05,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:47:05,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:47:05,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:47:05,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:47:05,578 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:47:05,579 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:47:05,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:47:05,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:47:05,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:47:05,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:47:05,589 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:47:05,590 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:47:05,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:47:05,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:47:05,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:47:05,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:47:05,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:47:05,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:47:05,597 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:47:05,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:47:05,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:47:05,601 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 16:47:05,634 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:47:05,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:47:05,635 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:47:05,635 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:47:05,636 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:47:05,636 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:47:05,637 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:47:05,637 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:47:05,637 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:47:05,637 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:47:05,638 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:47:05,638 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:47:05,638 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:47:05,638 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:47:05,639 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:47:05,639 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:47:05,639 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:47:05,639 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:47:05,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:47:05,641 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:47:05,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:47:05,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:47:05,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:47:05,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:47:05,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:47:05,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:47:05,642 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:47:05,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:47:05,643 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:47:05,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:47:05,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:47:05,643 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:47:05,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:47:05,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:47:05,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:47:05,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:47:05,645 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:47:05,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:47:05,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:47:05,645 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:47:05,646 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:47:05,646 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_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a20c49f3582b32c3cec1a5dfc1815c6c092999096bb4b2da6902587a162d75e0 [2021-11-23 16:47:06,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:47:06,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:47:06,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:47:06,044 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:47:06,045 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:47:06,047 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/eca-rers2012/Problem08_label36.c [2021-11-23 16:47:06,118 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/bin/utaipan-fb15Y9Yzbl/data/f931cbe6b/f6f3191c771449aa8fb377ad10e87f0b/FLAG7e52e45e8 [2021-11-23 16:47:10,852 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:47:10,854 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/sv-benchmarks/c/eca-rers2012/Problem08_label36.c [2021-11-23 16:47:11,157 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/bin/utaipan-fb15Y9Yzbl/data/f931cbe6b/f6f3191c771449aa8fb377ad10e87f0b/FLAG7e52e45e8 [2021-11-23 16:47:11,515 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/bin/utaipan-fb15Y9Yzbl/data/f931cbe6b/f6f3191c771449aa8fb377ad10e87f0b [2021-11-23 16:47:11,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:47:11,520 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:47:11,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:47:11,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:47:11,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:47:11,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:47:11" (1/1) ... [2021-11-23 16:47:11,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b985ebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:11, skipping insertion in model container [2021-11-23 16:47:11,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:47:11" (1/1) ... [2021-11-23 16:47:11,543 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:47:13,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:47:40,861 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_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/sv-benchmarks/c/eca-rers2012/Problem08_label36.c[5717764,5717777] [2021-11-23 16:47:40,978 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:47:40,987 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:47:55,152 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_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/sv-benchmarks/c/eca-rers2012/Problem08_label36.c[5717764,5717777] [2021-11-23 16:47:55,154 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:47:59,586 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:47:59,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:59 WrapperNode [2021-11-23 16:47:59,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:47:59,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:47:59,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:47:59,588 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:47:59,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:59" (1/1) ... [2021-11-23 16:48:00,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:59" (1/1) ... [2021-11-23 16:48:05,470 INFO L137 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184288 [2021-11-23 16:48:05,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:48:05,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:48:05,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:48:05,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:48:05,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:59" (1/1) ... [2021-11-23 16:48:05,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:59" (1/1) ... [2021-11-23 16:48:06,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:59" (1/1) ... [2021-11-23 16:48:06,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:59" (1/1) ... [2021-11-23 16:48:09,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:59" (1/1) ... [2021-11-23 16:48:09,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:59" (1/1) ... [2021-11-23 16:48:10,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:59" (1/1) ... [2021-11-23 16:48:11,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:48:11,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:48:11,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:48:11,232 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:48:11,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:59" (1/1) ... [2021-11-23 16:48:11,240 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:48:11,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:48:11,281 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:48:11,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:48:11,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:48:11,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 16:48:11,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:48:11,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:48:11,515 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:48:11,516 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:49:20,232 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:49:20,457 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 16:49:20,462 INFO L158 Benchmark]: Toolchain (without parser) took 128940.53ms. Allocated memory was 721.4MB in the beginning and 12.2GB in the end (delta: 11.4GB). Free memory was 441.6MB in the beginning and 8.2GB in the end (delta: -7.7GB). Peak memory consumption was 3.8GB. Max. memory is 16.1GB. [2021-11-23 16:49:20,464 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 90.2MB. Free memory was 70.1MB in the beginning and 70.1MB in the end (delta: 29.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:49:20,466 INFO L158 Benchmark]: CACSL2BoogieTranslator took 48065.67ms. Allocated memory was 721.4MB in the beginning and 5.3GB in the end (delta: 4.6GB). Free memory was 441.6MB in the beginning and 3.3GB in the end (delta: -2.9GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2021-11-23 16:49:20,468 INFO L158 Benchmark]: Boogie Procedure Inliner took 5882.90ms. Allocated memory was 5.3GB in the beginning and 7.8GB in the end (delta: 2.5GB). Free memory was 3.3GB in the beginning and 5.2GB in the end (delta: -1.8GB). Peak memory consumption was 784.3MB. Max. memory is 16.1GB. [2021-11-23 16:49:20,469 INFO L158 Benchmark]: Boogie Preprocessor took 5759.82ms. Allocated memory was 7.8GB in the beginning and 10.6GB in the end (delta: 2.8GB). Free memory was 5.2GB in the beginning and 7.4GB in the end (delta: -2.3GB). Peak memory consumption was 568.3MB. Max. memory is 16.1GB. [2021-11-23 16:49:20,471 INFO L158 Benchmark]: RCFGBuilder took 69227.54ms. Allocated memory was 10.6GB in the beginning and 12.2GB in the end (delta: 1.6GB). Free memory was 7.4GB in the beginning and 8.2GB in the end (delta: -737.1MB). Peak memory consumption was 901.8MB. Max. memory is 16.1GB. [2021-11-23 16:49:20,480 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 90.2MB. Free memory was 70.1MB in the beginning and 70.1MB in the end (delta: 29.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 48065.67ms. Allocated memory was 721.4MB in the beginning and 5.3GB in the end (delta: 4.6GB). Free memory was 441.6MB in the beginning and 3.3GB in the end (delta: -2.9GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 5882.90ms. Allocated memory was 5.3GB in the beginning and 7.8GB in the end (delta: 2.5GB). Free memory was 3.3GB in the beginning and 5.2GB in the end (delta: -1.8GB). Peak memory consumption was 784.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 5759.82ms. Allocated memory was 7.8GB in the beginning and 10.6GB in the end (delta: 2.8GB). Free memory was 5.2GB in the beginning and 7.4GB in the end (delta: -2.3GB). Peak memory consumption was 568.3MB. Max. memory is 16.1GB. * RCFGBuilder took 69227.54ms. Allocated memory was 10.6GB in the beginning and 12.2GB in the end (delta: 1.6GB). Free memory was 7.4GB in the beginning and 8.2GB in the end (delta: -737.1MB). Peak memory consumption was 901.8MB. 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 16:49:20,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/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_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/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_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem08_label36.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/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_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/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 a20c49f3582b32c3cec1a5dfc1815c6c092999096bb4b2da6902587a162d75e0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:49:23,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:49:23,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:49:23,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:49:23,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:49:23,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:49:23,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:49:23,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:49:23,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:49:23,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:49:23,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:49:23,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:49:23,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:49:23,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:49:23,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:49:23,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:49:23,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:49:23,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:49:23,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:49:23,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:49:23,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:49:23,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:49:23,332 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:49:23,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:49:23,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:49:23,343 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:49:23,344 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:49:23,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:49:23,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:49:23,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:49:23,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:49:23,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:49:23,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:49:23,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:49:23,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:49:23,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:49:23,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:49:23,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:49:23,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:49:23,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:49:23,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:49:23,361 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 16:49:23,410 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:49:23,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:49:23,411 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:49:23,412 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:49:23,413 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:49:23,413 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:49:23,413 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:49:23,413 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:49:23,414 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:49:23,414 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:49:23,415 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:49:23,415 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:49:23,417 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:49:23,417 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:49:23,418 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:49:23,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:49:23,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:49:23,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:49:23,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:49:23,419 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:49:23,419 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:49:23,419 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:49:23,419 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:49:23,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:49:23,420 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:49:23,420 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:49:23,420 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:49:23,421 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:49:23,421 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:49:23,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:49:23,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:49:23,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:49:23,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:49:23,422 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:49:23,422 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:49:23,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:49:23,423 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:49:23,423 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:49:23,424 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_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a20c49f3582b32c3cec1a5dfc1815c6c092999096bb4b2da6902587a162d75e0 [2021-11-23 16:49:23,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:49:23,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:49:23,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:49:23,843 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:49:23,844 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:49:23,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/eca-rers2012/Problem08_label36.c [2021-11-23 16:49:23,922 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/bin/utaipan-fb15Y9Yzbl/data/63e5f961a/6d51c5b0c92841c29c95ccb3e546913a/FLAGff72cdba9 [2021-11-23 16:49:28,301 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:49:28,302 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/sv-benchmarks/c/eca-rers2012/Problem08_label36.c [2021-11-23 16:49:28,599 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/bin/utaipan-fb15Y9Yzbl/data/63e5f961a/6d51c5b0c92841c29c95ccb3e546913a/FLAGff72cdba9 [2021-11-23 16:49:28,842 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/bin/utaipan-fb15Y9Yzbl/data/63e5f961a/6d51c5b0c92841c29c95ccb3e546913a [2021-11-23 16:49:28,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:49:28,847 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:49:28,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:49:28,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:49:28,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:49:28,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:49:28" (1/1) ... [2021-11-23 16:49:28,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@645b3d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:28, skipping insertion in model container [2021-11-23 16:49:28,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:49:28" (1/1) ... [2021-11-23 16:49:28,863 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:49:30,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:49:58,030 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_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/sv-benchmarks/c/eca-rers2012/Problem08_label36.c[5717764,5717777] [2021-11-23 16:49:58,146 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:49:58,158 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:50:12,585 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_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/sv-benchmarks/c/eca-rers2012/Problem08_label36.c[5717764,5717777] [2021-11-23 16:50:12,587 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:50:17,793 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:50:17,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:17 WrapperNode [2021-11-23 16:50:17,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:50:17,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:50:17,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:50:17,795 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:50:17,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:17" (1/1) ... [2021-11-23 16:50:19,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:17" (1/1) ... [2021-11-23 16:50:25,675 INFO L137 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184205 [2021-11-23 16:50:25,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:50:25,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:50:25,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:50:25,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:50:25,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:17" (1/1) ... [2021-11-23 16:50:25,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:17" (1/1) ... [2021-11-23 16:50:26,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:17" (1/1) ... [2021-11-23 16:50:26,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:17" (1/1) ... [2021-11-23 16:50:28,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:17" (1/1) ... [2021-11-23 16:50:29,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:17" (1/1) ... [2021-11-23 16:50:29,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:17" (1/1) ... [2021-11-23 16:50:31,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:50:31,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:50:31,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:50:31,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:50:31,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:17" (1/1) ... [2021-11-23 16:50:31,417 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:50:31,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:50:31,438 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:50:31,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb4a849-1b1d-4d9a-85ef-2c48b88bb3da/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:50:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:50:31,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 16:50:31,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:50:31,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:50:31,708 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:50:31,710 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:52:19,632 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:52:19,773 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 16:52:19,773 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 16:52:19,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:52:19 BoogieIcfgContainer [2021-11-23 16:52:19,797 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 16:52:19,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 16:52:19,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 16:52:19,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 16:52:19,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:49:28" (1/3) ... [2021-11-23 16:52:19,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ce48290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:52:19, skipping insertion in model container [2021-11-23 16:52:19,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:50:17" (2/3) ... [2021-11-23 16:52:19,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ce48290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:52:19, skipping insertion in model container [2021-11-23 16:52:19,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:52:19" (3/3) ... [2021-11-23 16:52:19,813 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem08_label36.c [2021-11-23 16:52:19,820 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 16:52:19,820 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 16:52:19,942 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 16:52:19,956 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 16:52:19,957 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 16:52:20,346 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)