./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-1.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_50047d2e-b69a-4992-b637-63bf108c9f6a/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50047d2e-b69a-4992-b637-63bf108c9f6a/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_50047d2e-b69a-4992-b637-63bf108c9f6a/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50047d2e-b69a-4992-b637-63bf108c9f6a/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50047d2e-b69a-4992-b637-63bf108c9f6a/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_50047d2e-b69a-4992-b637-63bf108c9f6a/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 7236cecbd92b361c7dde7b9feb16da195b1cfc80435e4a8a50c2b2f61605ff24 --- 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 10:37:53,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:37:53,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:37:53,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:37:53,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:37:53,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:37:53,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:37:53,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:37:53,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:37:53,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:37:53,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:37:53,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:37:53,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:37:53,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:37:53,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:37:53,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:37:53,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:37:53,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:37:53,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:37:53,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:37:53,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:37:53,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:37:53,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:37:53,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:37:53,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:37:53,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:37:53,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:37:53,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:37:53,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:37:53,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:37:53,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:37:53,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:37:53,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:37:53,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:37:53,538 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:37:53,538 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:37:53,539 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:37:53,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:37:53,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:37:53,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:37:53,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:37:53,541 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50047d2e-b69a-4992-b637-63bf108c9f6a/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 10:37:53,568 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:37:53,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:37:53,569 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:37:53,569 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:37:53,570 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:37:53,570 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:37:53,570 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:37:53,571 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:37:53,571 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:37:53,571 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 10:37:53,571 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:37:53,571 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:37:53,572 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 10:37:53,572 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 10:37:53,572 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:37:53,572 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 10:37:53,572 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 10:37:53,573 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 10:37:53,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:37:53,573 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 10:37:53,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 10:37:53,574 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 10:37:53,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:37:53,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 10:37:53,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:37:53,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 10:37:53,575 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 10:37:53,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 10:37:53,575 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:37:53,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 10:37:53,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:37:53,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:37:53,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:37:53,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:37:53,576 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 10:37:53,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:37:53,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 10:37:53,577 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 10:37:53,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 10:37:53,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 10:37:53,578 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:37:53,578 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_50047d2e-b69a-4992-b637-63bf108c9f6a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50047d2e-b69a-4992-b637-63bf108c9f6a/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7236cecbd92b361c7dde7b9feb16da195b1cfc80435e4a8a50c2b2f61605ff24 [2022-12-14 10:37:53,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:37:53,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:37:53,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:37:53,794 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:37:53,794 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:37:53,795 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50047d2e-b69a-4992-b637-63bf108c9f6a/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-1.c [2022-12-14 10:37:56,336 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:37:56,706 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:37:56,707 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50047d2e-b69a-4992-b637-63bf108c9f6a/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-1.c [2022-12-14 10:37:56,732 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50047d2e-b69a-4992-b637-63bf108c9f6a/bin/utaipan-gh47qXpMRh/data/6636d677c/1e918757d8d24ad4af3c177fd077cad1/FLAG4c430141f [2022-12-14 10:37:56,743 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50047d2e-b69a-4992-b637-63bf108c9f6a/bin/utaipan-gh47qXpMRh/data/6636d677c/1e918757d8d24ad4af3c177fd077cad1 [2022-12-14 10:37:56,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:37:56,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:37:56,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:37:56,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:37:56,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:37:56,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:37:56" (1/1) ... [2022-12-14 10:37:56,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f1e4869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:56, skipping insertion in model container [2022-12-14 10:37:56,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:37:56" (1/1) ... [2022-12-14 10:37:56,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:37:56,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:37:57,112 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_50047d2e-b69a-4992-b637-63bf108c9f6a/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-1.c[2313,2326] [2022-12-14 10:37:57,214 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_count [2022-12-14 10:37:57,214 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_count [2022-12-14 10:37:57,216 WARN L623 FunctionHandler]: Unknown extern function ecrobot_sound_tone [2022-12-14 10:37:57,220 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_speed [2022-12-14 10:37:57,221 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_speed [2022-12-14 10:37:57,222 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_speed [2022-12-14 10:37:57,222 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_speed [2022-12-14 10:37:57,240 WARN L623 FunctionHandler]: Unknown extern function ecrobot_bt_data_logger [2022-12-14 10:37:57,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:37:57,869 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 10:37:57,879 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_50047d2e-b69a-4992-b637-63bf108c9f6a/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-1.c[2313,2326] [2022-12-14 10:37:57,888 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_count [2022-12-14 10:37:57,888 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_count [2022-12-14 10:37:57,888 WARN L623 FunctionHandler]: Unknown extern function ecrobot_sound_tone [2022-12-14 10:37:57,889 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_speed [2022-12-14 10:37:57,889 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_speed [2022-12-14 10:37:57,890 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_speed [2022-12-14 10:37:57,890 WARN L623 FunctionHandler]: Unknown extern function nxt_motor_set_speed [2022-12-14 10:37:57,892 WARN L623 FunctionHandler]: Unknown extern function ecrobot_bt_data_logger [2022-12-14 10:37:58,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:37:58,472 INFO L208 MainTranslator]: Completed translation [2022-12-14 10:37:58,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:58 WrapperNode [2022-12-14 10:37:58,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:37:58,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 10:37:58,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 10:37:58,474 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 10:37:58,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:58" (1/1) ... [2022-12-14 10:37:58,671 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:58" (1/1) ... [2022-12-14 10:37:59,360 INFO L138 Inliner]: procedures = 62, calls = 19341, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 41961 [2022-12-14 10:37:59,361 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 10:37:59,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 10:37:59,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 10:37:59,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 10:37:59,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:58" (1/1) ... [2022-12-14 10:37:59,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:58" (1/1) ... [2022-12-14 10:37:59,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:58" (1/1) ... [2022-12-14 10:37:59,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:58" (1/1) ... [2022-12-14 10:37:59,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:58" (1/1) ... [2022-12-14 10:37:59,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:58" (1/1) ... [2022-12-14 10:38:00,065 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:58" (1/1) ... [2022-12-14 10:38:00,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:58" (1/1) ... [2022-12-14 10:38:00,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 10:38:00,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 10:38:00,216 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 10:38:00,216 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 10:38:00,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:58" (1/1) ... [2022-12-14 10:38:00,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:38:00,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50047d2e-b69a-4992-b637-63bf108c9f6a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:38:00,240 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50047d2e-b69a-4992-b637-63bf108c9f6a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 10:38:00,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50047d2e-b69a-4992-b637-63bf108c9f6a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 10:38:00,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 10:38:00,275 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2022-12-14 10:38:00,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2022-12-14 10:38:00,276 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-12-14 10:38:00,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-12-14 10:38:00,276 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-12-14 10:38:00,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-12-14 10:38:00,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 10:38:00,276 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-12-14 10:38:00,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-12-14 10:38:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-12-14 10:38:00,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-12-14 10:38:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-12-14 10:38:00,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-12-14 10:38:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 10:38:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-12-14 10:38:00,278 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-12-14 10:38:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-12-14 10:38:00,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-12-14 10:38:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2022-12-14 10:38:00,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2022-12-14 10:38:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-12-14 10:38:00,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-12-14 10:38:00,279 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-12-14 10:38:00,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-12-14 10:38:00,279 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-12-14 10:38:00,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-12-14 10:38:00,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 10:38:00,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 10:38:00,279 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-12-14 10:38:00,279 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-12-14 10:38:00,280 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-12-14 10:38:00,280 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-12-14 10:38:00,280 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2022-12-14 10:38:00,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2022-12-14 10:38:00,280 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2022-12-14 10:38:00,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2022-12-14 10:38:00,280 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 10:38:00,281 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 10:38:00,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 10:38:00,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 10:38:00,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 10:38:00,281 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-12-14 10:38:00,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-12-14 10:38:00,281 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-12-14 10:38:00,281 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-12-14 10:38:00,282 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-12-14 10:38:00,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-12-14 10:38:00,282 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2022-12-14 10:38:00,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2022-12-14 10:38:01,633 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 10:38:01,634 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 10:38:58,121 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 10:38:58,980 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 10:38:58,980 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 10:38:58,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:38:58 BoogieIcfgContainer [2022-12-14 10:38:58,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 10:38:58,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 10:38:58,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 10:38:58,999 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 10:38:58,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 10:37:56" (1/3) ... [2022-12-14 10:38:58,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6350fccd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:38:58, skipping insertion in model container [2022-12-14 10:38:58,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:58" (2/3) ... [2022-12-14 10:38:58,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6350fccd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:38:58, skipping insertion in model container [2022-12-14 10:38:59,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:38:58" (3/3) ... [2022-12-14 10:38:59,001 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_aso.1.M4-1.c [2022-12-14 10:38:59,014 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 10:38:59,014 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 10:38:59,256 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 10:38:59,261 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;@67021d6a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 10:38:59,261 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 10:38:59,286 INFO L276 IsEmpty]: Start isEmpty. Operand has 12587 states, 8156 states have (on average 1.310078469838156) internal successors, (10685), 8268 states have internal predecessors, (10685), 4408 states have call successors, (4408), 21 states have call predecessors, (4408), 21 states have return successors, (4408), 4406 states have call predecessors, (4408), 4408 states have call successors, (4408) [2022-12-14 10:38:59,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4794 [2022-12-14 10:38:59,795 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:38:59,801 INFO L195 NwaCegarLoop]: trace histogram [551, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:38:59,801 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:38:59,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:38:59,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1324626049, now seen corresponding path program 1 times [2022-12-14 10:38:59,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:38:59,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274632012] [2022-12-14 10:38:59,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:38:59,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms