./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.3.M4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057cdcc7-793a-4d97-9e94-c1fbce0c5589/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057cdcc7-793a-4d97-9e94-c1fbce0c5589/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057cdcc7-793a-4d97-9e94-c1fbce0c5589/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057cdcc7-793a-4d97-9e94-c1fbce0c5589/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.3.M4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057cdcc7-793a-4d97-9e94-c1fbce0c5589/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057cdcc7-793a-4d97-9e94-c1fbce0c5589/bin/utaipan-gh47qXpMRh --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 c9b1c02d6c7be7efa5919110e2a46197af13f7e2bcd070264e9ea26a732e0c62 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 06:14:43,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:14:43,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:14:43,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:14:43,614 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:14:43,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:14:43,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:14:43,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:14:43,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:14:43,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:14:43,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:14:43,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:14:43,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:14:43,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:14:43,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:14:43,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:14:43,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:14:43,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:14:43,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:14:43,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:14:43,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:14:43,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:14:43,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:14:43,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:14:43,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:14:43,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:14:43,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:14:43,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:14:43,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:14:43,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:14:43,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:14:43,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:14:43,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:14:43,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:14:43,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:14:43,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:14:43,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:14:43,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:14:43,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:14:43,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:14:43,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:14:43,639 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057cdcc7-793a-4d97-9e94-c1fbce0c5589/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 06:14:43,654 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:14:43,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:14:43,654 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:14:43,655 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:14:43,655 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:14:43,655 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:14:43,655 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:14:43,655 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:14:43,656 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:14:43,656 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 06:14:43,656 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:14:43,656 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:14:43,656 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 06:14:43,656 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 06:14:43,656 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:14:43,656 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 06:14:43,657 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 06:14:43,657 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 06:14:43,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:14:43,657 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 06:14:43,657 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:14:43,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 06:14:43,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:14:43,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:14:43,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:14:43,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:14:43,658 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 06:14:43,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:14:43,658 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:14:43,658 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:14:43,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:14:43,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:14:43,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:14:43,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:14:43,659 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 06:14:43,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:14:43,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:14:43,659 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 06:14:43,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 06:14:43,660 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:14:43,660 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:14:43,660 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057cdcc7-793a-4d97-9e94-c1fbce0c5589/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057cdcc7-793a-4d97-9e94-c1fbce0c5589/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9b1c02d6c7be7efa5919110e2a46197af13f7e2bcd070264e9ea26a732e0c62 [2022-12-14 06:14:43,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:14:43,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:14:43,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:14:43,847 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:14:43,848 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:14:43,849 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057cdcc7-793a-4d97-9e94-c1fbce0c5589/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.3.M4.c [2022-12-14 06:14:46,384 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:14:46,712 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:14:46,712 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057cdcc7-793a-4d97-9e94-c1fbce0c5589/sv-benchmarks/c/seq-mthreaded/rekcba_aso.3.M4.c [2022-12-14 06:14:46,746 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057cdcc7-793a-4d97-9e94-c1fbce0c5589/bin/utaipan-gh47qXpMRh/data/0b3077e8d/318d24db0a5347dd935ebcfd1525c0a5/FLAG672c0e179 [2022-12-14 06:14:46,757 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057cdcc7-793a-4d97-9e94-c1fbce0c5589/bin/utaipan-gh47qXpMRh/data/0b3077e8d/318d24db0a5347dd935ebcfd1525c0a5 [2022-12-14 06:14:46,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:14:46,760 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:14:46,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:14:46,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:14:46,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:14:46,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:14:46" (1/1) ... [2022-12-14 06:14:46,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41ce6b89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:46, skipping insertion in model container [2022-12-14 06:14:46,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:14:46" (1/1) ... [2022-12-14 06:14:46,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:14:46,886 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:14:47,105 WARN L237 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_057cdcc7-793a-4d97-9e94-c1fbce0c5589/sv-benchmarks/c/seq-mthreaded/rekcba_aso.3.M4.c[2319,2332] [2022-12-14 06:14:47,202 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_count [2022-12-14 06:14:47,202 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_count [2022-12-14 06:14:47,203 WARN L623 FunctionHandler]: Unknown extern function ecrobot_sound_tone [2022-12-14 06:14:47,207 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_speed [2022-12-14 06:14:47,207 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_speed [2022-12-14 06:14:47,207 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_speed [2022-12-14 06:14:47,208 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_speed [2022-12-14 06:14:47,222 WARN L623 FunctionHandler]: Unknown extern function __startrek_get_pi_lock [2022-12-14 06:14:47,223 WARN L623 FunctionHandler]: Unknown extern function __startrek_release_pi_lock [2022-12-14 06:14:47,224 WARN L623 FunctionHandler]: Unknown extern function ecrobot_bt_data_logger [2022-12-14 06:14:47,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:14:47,868 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:14:47,881 WARN L237 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_057cdcc7-793a-4d97-9e94-c1fbce0c5589/sv-benchmarks/c/seq-mthreaded/rekcba_aso.3.M4.c[2319,2332] [2022-12-14 06:14:47,894 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_count [2022-12-14 06:14:47,894 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_count [2022-12-14 06:14:47,895 WARN L623 FunctionHandler]: Unknown extern function ecrobot_sound_tone [2022-12-14 06:14:47,896 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_speed [2022-12-14 06:14:47,897 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_speed [2022-12-14 06:14:47,897 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_speed [2022-12-14 06:14:47,897 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_speed [2022-12-14 06:14:47,899 WARN L623 FunctionHandler]: Unknown extern function __startrek_get_pi_lock [2022-12-14 06:14:47,900 WARN L623 FunctionHandler]: Unknown extern function __startrek_release_pi_lock [2022-12-14 06:14:47,900 WARN L623 FunctionHandler]: Unknown extern function ecrobot_bt_data_logger [2022-12-14 06:14:48,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:14:48,424 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:14:48,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:48 WrapperNode [2022-12-14 06:14:48,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:14:48,426 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:14:48,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:14:48,426 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:14:48,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:48" (1/1) ... [2022-12-14 06:14:48,657 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:48" (1/1) ... [2022-12-14 06:14:49,400 INFO L138 Inliner]: procedures = 72, calls = 21284, calls flagged for inlining = 27, calls inlined = 27, statements flattened = 45639 [2022-12-14 06:14:49,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:14:49,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:14:49,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:14:49,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:14:49,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:48" (1/1) ... [2022-12-14 06:14:49,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:48" (1/1) ... [2022-12-14 06:14:49,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:48" (1/1) ... [2022-12-14 06:14:49,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:48" (1/1) ... [2022-12-14 06:14:50,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:48" (1/1) ... [2022-12-14 06:14:50,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:48" (1/1) ... [2022-12-14 06:14:50,241 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:48" (1/1) ... [2022-12-14 06:14:50,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:48" (1/1) ... [2022-12-14 06:14:50,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:14:50,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:14:50,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:14:50,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:14:50,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:48" (1/1) ... [2022-12-14 06:14:50,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:14:50,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057cdcc7-793a-4d97-9e94-c1fbce0c5589/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:14:50,448 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057cdcc7-793a-4d97-9e94-c1fbce0c5589/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:14:50,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057cdcc7-793a-4d97-9e94-c1fbce0c5589/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:14:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 06:14:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2022-12-14 06:14:50,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2022-12-14 06:14:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-12-14 06:14:50,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-12-14 06:14:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-12-14 06:14:50,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-12-14 06:14:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 06:14:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-12-14 06:14:50,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-12-14 06:14:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-12-14 06:14:50,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-12-14 06:14:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-12-14 06:14:50,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-12-14 06:14:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-12-14 06:14:50,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-12-14 06:14:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 06:14:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-12-14 06:14:50,485 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-12-14 06:14:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_version [2022-12-14 06:14:50,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_version [2022-12-14 06:14:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-12-14 06:14:50,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-12-14 06:14:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2022-12-14 06:14:50,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2022-12-14 06:14:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-12-14 06:14:50,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-12-14 06:14:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-12-14 06:14:50,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-12-14 06:14:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_version [2022-12-14 06:14:50,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_version [2022-12-14 06:14:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-12-14 06:14:50,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-12-14 06:14:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-12-14 06:14:50,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-12-14 06:14:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 06:14:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 06:14:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-12-14 06:14:50,487 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-12-14 06:14:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-12-14 06:14:50,487 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-12-14 06:14:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2022-12-14 06:14:50,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2022-12-14 06:14:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2022-12-14 06:14:50,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2022-12-14 06:14:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 06:14:50,488 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 06:14:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 06:14:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:14:50,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:14:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-12-14 06:14:50,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-12-14 06:14:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-12-14 06:14:50,489 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-12-14 06:14:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-12-14 06:14:50,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-12-14 06:14:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2022-12-14 06:14:50,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2022-12-14 06:14:51,903 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:14:51,905 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:19:07,220 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:19:09,647 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:19:09,647 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 06:19:09,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:19:09 BoogieIcfgContainer [2022-12-14 06:19:09,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:19:09,658 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:19:09,658 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:19:09,660 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:19:09,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:14:46" (1/3) ... [2022-12-14 06:19:09,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21fa5b08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:19:09, skipping insertion in model container [2022-12-14 06:19:09,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:48" (2/3) ... [2022-12-14 06:19:09,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21fa5b08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:19:09, skipping insertion in model container [2022-12-14 06:19:09,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:19:09" (3/3) ... [2022-12-14 06:19:09,662 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_aso.3.M4.c [2022-12-14 06:19:09,675 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:19:09,675 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 06:19:09,845 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 06:19:09,849 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@111e2222, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 06:19:09,849 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 06:19:09,875 INFO L276 IsEmpty]: Start isEmpty. Operand has 13093 states, 8425 states have (on average 1.3031454005934717) internal successors, (10979), 8538 states have internal predecessors, (10979), 4641 states have call successors, (4641), 25 states have call predecessors, (4641), 25 states have return successors, (4641), 4639 states have call predecessors, (4641), 4641 states have call successors, (4641) [2022-12-14 06:19:10,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6506 [2022-12-14 06:19:10,542 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:19:10,545 INFO L195 NwaCegarLoop]: trace histogram [979, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:19:10,545 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:19:10,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:19:10,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1368130275, now seen corresponding path program 1 times [2022-12-14 06:19:10,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:19:10,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917881316] [2022-12-14 06:19:10,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:19:10,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms