./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --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 f077881e7f4fa96e31e8798f1b4a7ec1ee00f86778c2b79845cdeaf2537e700e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:43:48,778 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:43:48,843 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 19:43:48,848 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:43:48,848 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:43:48,872 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:43:48,873 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:43:48,873 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:43:48,874 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:43:48,875 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:43:48,875 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:43:48,876 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:43:48,876 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:43:48,877 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 19:43:48,877 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:43:48,878 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:43:48,879 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 19:43:48,879 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 19:43:48,880 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:43:48,880 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 19:43:48,881 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 19:43:48,882 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 19:43:48,882 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:43:48,883 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:43:48,883 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:43:48,884 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 19:43:48,884 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:43:48,885 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:43:48,885 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:43:48,885 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:43:48,886 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:43:48,886 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:43:48,886 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:43:48,887 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:43:48,887 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:43:48,887 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:43:48,887 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:43:48,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:43:48,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:43:48,888 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:43:48,888 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:43:48,889 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 19:43:48,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 19:43:48,889 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:43:48,889 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:43:48,890 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:43:48,890 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:43:48,890 INFO L153 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_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f077881e7f4fa96e31e8798f1b4a7ec1ee00f86778c2b79845cdeaf2537e700e [2023-12-02 19:43:49,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:43:49,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:43:49,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:43:49,114 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:43:49,115 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:43:49,116 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-1.c [2023-12-02 19:43:51,918 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:43:52,182 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:43:52,183 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-1.c [2023-12-02 19:43:52,201 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/data/8de9332f6/7e19b0d07efc4e91a566d226181e8e73/FLAG8d1450387 [2023-12-02 19:43:52,214 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/data/8de9332f6/7e19b0d07efc4e91a566d226181e8e73 [2023-12-02 19:43:52,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:43:52,218 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:43:52,219 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:43:52,219 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:43:52,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:43:52,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:43:52" (1/1) ... [2023-12-02 19:43:52,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@113e29f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:52, skipping insertion in model container [2023-12-02 19:43:52,225 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:43:52" (1/1) ... [2023-12-02 19:43:52,300 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:43:52,436 WARN L240 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_41964923-9707-4d72-9d79-24903d37a774/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-1.c[1674,1687] [2023-12-02 19:43:52,720 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:43:52,735 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:43:52,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.bug1.i","-S") [42] [2023-12-02 19:43:52,748 WARN L240 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_41964923-9707-4d72-9d79-24903d37a774/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-1.c[1674,1687] [2023-12-02 19:43:52,939 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:43:52,963 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:43:52,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:52 WrapperNode [2023-12-02 19:43:52,963 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:43:52,965 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:43:52,965 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:43:52,965 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:43:52,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:52" (1/1) ... [2023-12-02 19:43:53,023 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:52" (1/1) ... [2023-12-02 19:43:53,165 INFO L138 Inliner]: procedures = 57, calls = 1672, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 3804 [2023-12-02 19:43:53,166 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:43:53,166 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:43:53,166 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:43:53,167 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:43:53,173 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:52" (1/1) ... [2023-12-02 19:43:53,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:52" (1/1) ... [2023-12-02 19:43:53,192 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:52" (1/1) ... [2023-12-02 19:43:53,192 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:52" (1/1) ... [2023-12-02 19:43:53,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:52" (1/1) ... [2023-12-02 19:43:53,316 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:52" (1/1) ... [2023-12-02 19:43:53,329 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:52" (1/1) ... [2023-12-02 19:43:53,340 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:52" (1/1) ... [2023-12-02 19:43:53,360 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:43:53,361 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:43:53,361 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:43:53,361 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:43:53,362 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:52" (1/1) ... [2023-12-02 19:43:53,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:43:53,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:43:53,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:43:53,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:43:53,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:43:53,427 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-12-02 19:43:53,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-12-02 19:43:53,427 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2023-12-02 19:43:53,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2023-12-02 19:43:53,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 19:43:53,427 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-12-02 19:43:53,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-12-02 19:43:53,428 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-12-02 19:43:53,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-12-02 19:43:53,428 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2023-12-02 19:43:53,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2023-12-02 19:43:53,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 19:43:53,428 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-12-02 19:43:53,428 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-12-02 19:43:53,428 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2023-12-02 19:43:53,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2023-12-02 19:43:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-12-02 19:43:53,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-12-02 19:43:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-12-02 19:43:53,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-12-02 19:43:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 19:43:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2023-12-02 19:43:53,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2023-12-02 19:43:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 19:43:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2023-12-02 19:43:53,430 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2023-12-02 19:43:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 19:43:53,430 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 19:43:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 19:43:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:43:53,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:43:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2023-12-02 19:43:53,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2023-12-02 19:43:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-12-02 19:43:53,431 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-12-02 19:43:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2023-12-02 19:43:53,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2023-12-02 19:43:53,780 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:43:53,782 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:44:00,253 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:44:00,408 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:44:00,409 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 19:44:00,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:44:00 BoogieIcfgContainer [2023-12-02 19:44:00,410 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:44:00,412 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:44:00,412 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:44:00,415 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:44:00,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:43:52" (1/3) ... [2023-12-02 19:44:00,415 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1522df64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:44:00, skipping insertion in model container [2023-12-02 19:44:00,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:52" (2/3) ... [2023-12-02 19:44:00,416 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1522df64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:44:00, skipping insertion in model container [2023-12-02 19:44:00,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:44:00" (3/3) ... [2023-12-02 19:44:00,417 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_nxt.1.M1-1.c [2023-12-02 19:44:00,432 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:44:00,432 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:44:00,500 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:44:00,506 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=LoopHeads, 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;@1c222ce5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:44:00,506 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:44:00,515 INFO L276 IsEmpty]: Start isEmpty. Operand has 1097 states, 688 states have (on average 1.2979651162790697) internal successors, (893), 720 states have internal predecessors, (893), 392 states have call successors, (392), 15 states have call predecessors, (392), 15 states have return successors, (392), 390 states have call predecessors, (392), 392 states have call successors, (392) [2023-12-02 19:44:00,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2023-12-02 19:44:00,568 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:44:00,569 INFO L195 NwaCegarLoop]: trace histogram [85, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:44:00,569 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:44:00,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:44:00,574 INFO L85 PathProgramCache]: Analyzing trace with hash 2068592125, now seen corresponding path program 1 times [2023-12-02 19:44:00,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:44:00,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255916066] [2023-12-02 19:44:00,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:44:00,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:45:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:45:37,176 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 9 proven. 75 refuted. 0 times theorem prover too weak. 7056 trivial. 0 not checked. [2023-12-02 19:45:37,177 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:45:37,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255916066] [2023-12-02 19:45:37,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255916066] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 19:45:37,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346968001] [2023-12-02 19:45:37,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:45:37,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:45:37,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:45:37,181 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:45:37,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 19:45:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:45:58,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 2428 conjuncts, 426 conjunts are in the unsatisfiable core [2023-12-02 19:45:58,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:45:58,419 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 19:45:58,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 25 [2023-12-02 19:45:59,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 34 [2023-12-02 19:46:00,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2023-12-02 19:46:08,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 295 treesize of output 302 [2023-12-02 19:46:08,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 429 treesize of output 363 [2023-12-02 19:46:10,356 INFO L224 Elim1Store]: Index analysis took 1484 ms [2023-12-02 19:46:11,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 325 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 166 [2023-12-02 19:46:11,587 INFO L224 Elim1Store]: Index analysis took 104 ms [2023-12-02 19:46:11,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 78 [2023-12-02 19:46:13,211 INFO L224 Elim1Store]: Index analysis took 1390 ms [2023-12-02 19:46:13,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 325 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 1 [2023-12-02 19:50:39,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 852 treesize of output 602 [2023-12-02 19:50:40,975 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 1874 proven. 3964 refuted. 0 times theorem prover too weak. 1302 trivial. 0 not checked. [2023-12-02 19:50:40,975 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:54:58,013 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2023-12-02 19:54:58,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2023-12-02 19:54:58,018 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") [2023-12-02 19:54:58,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1350928317] [2023-12-02 19:54:58,048 INFO L159 IcfgInterpreter]: Started Sifa with 379 locations of interest [2023-12-02 19:54:58,048 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 19:54:58,051 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 19:54:58,055 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 19:54:58,056 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 19:55:03,063 FATAL L? ?]: Ignoring exception! de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.convertIOException(Executor.java:337) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:177) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:132) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.checkSatTerm(SmtUtils.java:332) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.isFalse(SymbolicTools.java:223) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.RelationCheckUtil.isEqBottom_SolverAlphaSolver(RelationCheckUtil.java:56) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.ExplicitValueDomain.isEqBottom(ExplicitValueDomain.java:73) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.CompoundDomain.isEqBottom(CompoundDomain.java:84) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.StatsWrapperDomain.isEqBottom(StatsWrapperDomain.java:69) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.earlyExitAfterStep(DagInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) Caused by: java.io.IOException: Stream closed at java.base/java.lang.ProcessBuilder$NullOutputStream.write(ProcessBuilder.java:442) at java.base/java.io.OutputStream.write(OutputStream.java:157) at java.base/java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:81) at java.base/java.io.BufferedOutputStream.flush(BufferedOutputStream.java:142) at java.base/sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:318) at java.base/sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:153) at java.base/java.io.OutputStreamWriter.flush(OutputStreamWriter.java:251) at java.base/java.io.BufferedWriter.flush(BufferedWriter.java:257) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:175) ... 44 more [2023-12-02 19:55:03,066 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-02 19:55:03,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2023-12-02 19:55:03,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550543708] [2023-12-02 19:55:03,068 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-02 19:55:03,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-02 19:55:03,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:55:03,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-02 19:55:03,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6626, Invalid=23130, Unknown=0, NotChecked=0, Total=29756 [2023-12-02 19:55:03,117 INFO L87 Difference]: Start difference. First operand has 1097 states, 688 states have (on average 1.2979651162790697) internal successors, (893), 720 states have internal predecessors, (893), 392 states have call successors, (392), 15 states have call predecessors, (392), 15 states have return successors, (392), 390 states have call predecessors, (392), 392 states have call successors, (392) Second operand has 9 states, 7 states have (on average 41.857142857142854) internal successors, (293), 9 states have internal predecessors, (293), 5 states have call successors, (85), 1 states have call predecessors, (85), 2 states have return successors, (85), 4 states have call predecessors, (85), 5 states have call successors, (85) [2023-12-02 19:55:03,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 820 GetRequests, 649 SyntacticMatches, 0 SemanticMatches, 171 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11583 ImplicationChecksByTransitivity, 251.1s TimeCoverageRelationStatistics Valid=6626, Invalid=23130, Unknown=0, NotChecked=0, Total=29756 [2023-12-02 19:55:03,145 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 19:55:03,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 19:55:03,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-02 19:55:03,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 19:55:03,348 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.convertIOException(Executor.java:337) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:177) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:139) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:99) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.pop(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertCodeBlock(IncrementalHoareTripleChecker.java:436) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:278) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:284) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ProtectedHtc.releaseLock(ChainingHoareTripleChecker.java:449) at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1655) at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:658) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.releaseLock(ChainingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:365) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:487) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: java.io.IOException: Stream closed at java.base/java.lang.ProcessBuilder$NullOutputStream.write(ProcessBuilder.java:442) at java.base/java.io.OutputStream.write(OutputStream.java:157) at java.base/java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:81) at java.base/java.io.BufferedOutputStream.flush(BufferedOutputStream.java:142) at java.base/sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:318) at java.base/sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:153) at java.base/java.io.OutputStreamWriter.flush(OutputStreamWriter.java:251) at java.base/java.io.BufferedWriter.flush(BufferedWriter.java:257) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:175) ... 36 more [2023-12-02 19:55:03,350 INFO L158 Benchmark]: Toolchain (without parser) took 671132.32ms. Allocated memory was 151.0MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 102.4MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 546.6MB. Max. memory is 16.1GB. [2023-12-02 19:55:03,351 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 151.0MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:55:03,352 INFO L158 Benchmark]: CACSL2BoogieTranslator took 744.81ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 102.4MB in the beginning and 133.0MB in the end (delta: -30.6MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. [2023-12-02 19:55:03,353 INFO L158 Benchmark]: Boogie Procedure Inliner took 201.37ms. Allocated memory is still 192.9MB. Free memory was 133.0MB in the beginning and 99.4MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-12-02 19:55:03,353 INFO L158 Benchmark]: Boogie Preprocessor took 193.93ms. Allocated memory is still 192.9MB. Free memory was 99.4MB in the beginning and 124.3MB in the end (delta: -24.9MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2023-12-02 19:55:03,354 INFO L158 Benchmark]: RCFGBuilder took 7049.47ms. Allocated memory was 192.9MB in the beginning and 272.6MB in the end (delta: 79.7MB). Free memory was 124.3MB in the beginning and 183.7MB in the end (delta: -59.4MB). Peak memory consumption was 109.4MB. Max. memory is 16.1GB. [2023-12-02 19:55:03,354 INFO L158 Benchmark]: TraceAbstraction took 662937.24ms. Allocated memory was 272.6MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 183.7MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 504.0MB. Max. memory is 16.1GB. [2023-12-02 19:55:03,358 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 151.0MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 744.81ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 102.4MB in the beginning and 133.0MB in the end (delta: -30.6MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 201.37ms. Allocated memory is still 192.9MB. Free memory was 133.0MB in the beginning and 99.4MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 193.93ms. Allocated memory is still 192.9MB. Free memory was 99.4MB in the beginning and 124.3MB in the end (delta: -24.9MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. * RCFGBuilder took 7049.47ms. Allocated memory was 192.9MB in the beginning and 272.6MB in the end (delta: 79.7MB). Free memory was 124.3MB in the beginning and 183.7MB in the end (delta: -59.4MB). Peak memory consumption was 109.4MB. Max. memory is 16.1GB. * TraceAbstraction took 662937.24ms. Allocated memory was 272.6MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 183.7MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 504.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 42]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.bug1.i","-S") [42] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.convertIOException(Executor.java:337) RESULT: Ultimate could not prove your program: Toolchain returned no result. 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --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 f077881e7f4fa96e31e8798f1b4a7ec1ee00f86778c2b79845cdeaf2537e700e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:55:05,152 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:55:05,230 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 19:55:05,237 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:55:05,237 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:55:05,266 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:55:05,266 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:55:05,267 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:55:05,268 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:55:05,268 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:55:05,269 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:55:05,270 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:55:05,270 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:55:05,271 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:55:05,271 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:55:05,272 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:55:05,273 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:55:05,274 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:55:05,274 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:55:05,275 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:55:05,275 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:55:05,276 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:55:05,276 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:55:05,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:55:05,277 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 19:55:05,277 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 19:55:05,278 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 19:55:05,278 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:55:05,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:55:05,279 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:55:05,279 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:55:05,280 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 19:55:05,280 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:55:05,280 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:55:05,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:55:05,281 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:55:05,281 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:55:05,282 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:55:05,282 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 19:55:05,282 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 19:55:05,282 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:55:05,283 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:55:05,283 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:55:05,283 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:55:05,283 INFO L153 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_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f077881e7f4fa96e31e8798f1b4a7ec1ee00f86778c2b79845cdeaf2537e700e [2023-12-02 19:55:05,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:55:05,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:55:05,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:55:05,592 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:55:05,592 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:55:05,594 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-1.c [2023-12-02 19:55:08,326 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:55:08,634 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:55:08,635 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-1.c [2023-12-02 19:55:08,652 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/data/3d38bc60d/d7062bee614e42dbaf84b5f1653fd001/FLAG4ea5cc22c [2023-12-02 19:55:08,666 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/data/3d38bc60d/d7062bee614e42dbaf84b5f1653fd001 [2023-12-02 19:55:08,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:55:08,670 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:55:08,672 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:55:08,672 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:55:08,677 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:55:08,678 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:55:08" (1/1) ... [2023-12-02 19:55:08,679 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19540577 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:55:08, skipping insertion in model container [2023-12-02 19:55:08,679 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:55:08" (1/1) ... [2023-12-02 19:55:08,755 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:55:08,927 WARN L240 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_41964923-9707-4d72-9d79-24903d37a774/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-1.c[1674,1687] [2023-12-02 19:55:09,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:55:09,230 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:55:09,241 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.bug1.i","-S") [42] [2023-12-02 19:55:09,246 WARN L240 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_41964923-9707-4d72-9d79-24903d37a774/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-1.c[1674,1687] [2023-12-02 19:55:09,388 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:55:09,412 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:55:09,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:55:09 WrapperNode [2023-12-02 19:55:09,412 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:55:09,413 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:55:09,414 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:55:09,414 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:55:09,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:55:09" (1/1) ... [2023-12-02 19:55:09,474 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:55:09" (1/1) ... [2023-12-02 19:55:09,609 INFO L138 Inliner]: procedures = 60, calls = 1672, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 3801 [2023-12-02 19:55:09,609 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:55:09,610 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:55:09,610 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:55:09,610 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:55:09,620 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:55:09" (1/1) ... [2023-12-02 19:55:09,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:55:09" (1/1) ... [2023-12-02 19:55:09,642 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:55:09" (1/1) ... [2023-12-02 19:55:09,642 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:55:09" (1/1) ... [2023-12-02 19:55:09,720 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:55:09" (1/1) ... [2023-12-02 19:55:09,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:55:09" (1/1) ... [2023-12-02 19:55:09,749 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:55:09" (1/1) ... [2023-12-02 19:55:09,760 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:55:09" (1/1) ... [2023-12-02 19:55:09,782 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:55:09,783 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:55:09,783 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:55:09,784 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:55:09,785 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:55:09" (1/1) ... [2023-12-02 19:55:09,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:55:09,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:55:09,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:55:09,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:55:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:55:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-12-02 19:55:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-12-02 19:55:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 19:55:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2023-12-02 19:55:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2023-12-02 19:55:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 19:55:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-12-02 19:55:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-12-02 19:55:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-12-02 19:55:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-12-02 19:55:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 19:55:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2023-12-02 19:55:09,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2023-12-02 19:55:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-12-02 19:55:09,850 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-12-02 19:55:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2023-12-02 19:55:09,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2023-12-02 19:55:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-12-02 19:55:09,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-12-02 19:55:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-12-02 19:55:09,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-12-02 19:55:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-12-02 19:55:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 19:55:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 19:55:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2023-12-02 19:55:09,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2023-12-02 19:55:09,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 19:55:09,852 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2023-12-02 19:55:09,852 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2023-12-02 19:55:09,852 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 19:55:09,852 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 19:55:09,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:55:09,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:55:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2023-12-02 19:55:09,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2023-12-02 19:55:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-12-02 19:55:09,853 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-12-02 19:55:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2023-12-02 19:55:09,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2023-12-02 19:55:10,210 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:55:10,212 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:55:27,249 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:55:27,378 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:55:27,378 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 19:55:27,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:55:27 BoogieIcfgContainer [2023-12-02 19:55:27,379 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:55:27,382 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:55:27,382 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:55:27,385 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:55:27,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:55:08" (1/3) ... [2023-12-02 19:55:27,386 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5236f25e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:55:27, skipping insertion in model container [2023-12-02 19:55:27,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:55:09" (2/3) ... [2023-12-02 19:55:27,387 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5236f25e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:55:27, skipping insertion in model container [2023-12-02 19:55:27,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:55:27" (3/3) ... [2023-12-02 19:55:27,388 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_nxt.1.M1-1.c [2023-12-02 19:55:27,407 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:55:27,407 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:55:27,484 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:55:27,491 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=LoopHeads, 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;@64ce0ba6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:55:27,491 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:55:27,500 INFO L276 IsEmpty]: Start isEmpty. Operand has 1105 states, 696 states have (on average 1.3031609195402298) internal successors, (907), 728 states have internal predecessors, (907), 392 states have call successors, (392), 15 states have call predecessors, (392), 15 states have return successors, (392), 390 states have call predecessors, (392), 392 states have call successors, (392) [2023-12-02 19:55:27,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 717 [2023-12-02 19:55:27,559 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:55:27,560 INFO L195 NwaCegarLoop]: trace histogram [85, 85, 85, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:55:27,561 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:55:27,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:55:27,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1243760814, now seen corresponding path program 1 times [2023-12-02 19:55:27,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:55:27,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [882753301] [2023-12-02 19:55:27,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:55:27,586 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 19:55:27,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:55:27,629 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 19:55:27,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 19:55:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:55:38,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 1684 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 19:55:38,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:55:38,784 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 7080 proven. 0 refuted. 0 times theorem prover too weak. 7200 trivial. 0 not checked. [2023-12-02 19:55:38,784 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:55:38,785 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:55:38,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [882753301] [2023-12-02 19:55:38,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [882753301] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:55:38,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:55:38,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 19:55:38,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918641982] [2023-12-02 19:55:38,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:55:38,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 19:55:38,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:55:38,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 19:55:38,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 19:55:38,824 INFO L87 Difference]: Start difference. First operand has 1105 states, 696 states have (on average 1.3031609195402298) internal successors, (907), 728 states have internal predecessors, (907), 392 states have call successors, (392), 15 states have call predecessors, (392), 15 states have return successors, (392), 390 states have call predecessors, (392), 392 states have call successors, (392) Second operand has 2 states, 2 states have (on average 149.0) internal successors, (298), 2 states have internal predecessors, (298), 2 states have call successors, (85), 2 states have call predecessors, (85), 2 states have return successors, (85), 2 states have call predecessors, (85), 2 states have call successors, (85) [2023-12-02 19:55:40,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:55:43,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:55:43,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:55:43,579 INFO L93 Difference]: Finished difference Result 2208 states and 3755 transitions. [2023-12-02 19:55:43,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 19:55:43,582 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 149.0) internal successors, (298), 2 states have internal predecessors, (298), 2 states have call successors, (85), 2 states have call predecessors, (85), 2 states have return successors, (85), 2 states have call predecessors, (85), 2 states have call successors, (85) Word has length 716 [2023-12-02 19:55:43,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:55:43,605 INFO L225 Difference]: With dead ends: 2208 [2023-12-02 19:55:43,605 INFO L226 Difference]: Without dead ends: 1102 [2023-12-02 19:55:43,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 715 GetRequests, 715 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 19:55:43,620 INFO L413 NwaCegarLoop]: 1663 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1663 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-12-02 19:55:43,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1663 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 2 Unknown, 0 Unchecked, 4.6s Time] [2023-12-02 19:55:43,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2023-12-02 19:55:43,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 1102. [2023-12-02 19:55:43,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1102 states, 694 states have (on average 1.2968299711815563) internal successors, (900), 725 states have internal predecessors, (900), 392 states have call successors, (392), 15 states have call predecessors, (392), 15 states have return successors, (392), 390 states have call predecessors, (392), 392 states have call successors, (392) [2023-12-02 19:55:43,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 1102 states and 1684 transitions. [2023-12-02 19:55:43,870 INFO L78 Accepts]: Start accepts. Automaton has 1102 states and 1684 transitions. Word has length 716 [2023-12-02 19:55:43,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:55:43,871 INFO L495 AbstractCegarLoop]: Abstraction has 1102 states and 1684 transitions. [2023-12-02 19:55:43,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 149.0) internal successors, (298), 2 states have internal predecessors, (298), 2 states have call successors, (85), 2 states have call predecessors, (85), 2 states have return successors, (85), 2 states have call predecessors, (85), 2 states have call successors, (85) [2023-12-02 19:55:43,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 1684 transitions. [2023-12-02 19:55:43,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 717 [2023-12-02 19:55:43,899 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:55:43,900 INFO L195 NwaCegarLoop]: trace histogram [85, 85, 85, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:55:43,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 19:55:44,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 19:55:44,101 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:55:44,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:55:44,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1832834392, now seen corresponding path program 1 times [2023-12-02 19:55:44,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:55:44,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1522218057] [2023-12-02 19:55:44,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:55:44,104 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 19:55:44,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:55:44,106 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 19:55:44,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41964923-9707-4d72-9d79-24903d37a774/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 19:56:03,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:56:04,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 1684 conjuncts, 74 conjunts are in the unsatisfiable core [2023-12-02 19:56:04,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:56:07,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 19 [2023-12-02 19:56:07,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-12-02 19:56:14,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 44 [2023-12-02 19:56:52,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 212 [2023-12-02 19:56:53,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 32 [2023-12-02 19:56:53,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 15 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 44 [2023-12-02 19:56:58,064 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 19:56:58,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 27 select indices, 27 select index equivalence classes, 6 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 254 case distinctions, treesize of input 294 treesize of output 128 [2023-12-02 19:56:58,418 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 6894 proven. 854 refuted. 0 times theorem prover too weak. 6532 trivial. 0 not checked. [2023-12-02 19:56:58,419 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:57:05,212 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start___startrek_init_globals_#t~nondet912#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet940#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet918#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet896#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet920#1_14| (_ BitVec 8)) (v_ArrVal_979 (Array (_ BitVec 32) (_ BitVec 32))) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet904#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet938#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet946#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet910#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet924#1_14| (_ BitVec 8)) (|~#_obstacle_flag_~0.offset| (_ BitVec 32)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet916#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet932#1_14| (_ BitVec 8)) (|~#_i_obstacle_flag_~0.offset| (_ BitVec 32)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet902#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet908#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet922#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet930#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet936#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet914#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet928#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet944#1_14| (_ BitVec 8)) (v_ArrVal_987 (Array (_ BitVec 32) (_ BitVec 32))) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet942#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet906#1_14| (_ BitVec 8)) (v_ArrVal_995 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_991 (Array (_ BitVec 32) (_ BitVec 32))) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet926#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet898#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet934#1_14| (_ BitVec 8)) (v_ArrVal_1018 (Array (_ BitVec 32) (_ BitVec 32))) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet900#1_14| (_ BitVec 8))) (bvslt ((_ zero_extend 24) ((_ extract 7 0) (select (select (store (store (let ((.cse1 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet946#1_14|))) (let ((.cse0 (store (select (let ((.cse36 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet922#1_14|))) (let ((.cse35 (store (select (let ((.cse65 (let ((.cse69 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet900#1_14|))) (store (select (let ((.cse73 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet896#1_14|))) (let ((.cse72 (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| (store (select |c_#memory_int| |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv1 32)) .cse73)))) (let ((.cse70 (store (select .cse72 |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv1 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse73)))) (.cse71 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet898#1_14|))) (let ((.cse68 (store (select (store .cse72 |c_~#_obstacle_flag_~0.base| .cse70) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv2 32)) .cse71))) (let ((.cse67 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse70) |c_~#_i_obstacle_flag_~0.base| .cse68) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv2 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse71))))) (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse67) |c_~#_i_obstacle_flag_~0.base| (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse68) |c_~#_obstacle_flag_~0.base| .cse67) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv3 32)) .cse69))))))) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv3 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse69))))) (.cse66 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet902#1_14|))) (let ((.cse64 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| v_ArrVal_991) |c_~#_obstacle_flag_~0.base| .cse65) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv4 32)) .cse66))) (let ((.cse62 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse65) |c_~#_i_obstacle_flag_~0.base| .cse64) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv4 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse66)))) (.cse63 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet904#1_14|))) (let ((.cse61 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse64) |c_~#_obstacle_flag_~0.base| .cse62) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv5 32)) .cse63))) (let ((.cse59 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse62) |c_~#_i_obstacle_flag_~0.base| .cse61) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv5 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse63)))) (.cse60 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet906#1_14|))) (let ((.cse58 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse61) |c_~#_obstacle_flag_~0.base| .cse59) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv6 32)) .cse60))) (let ((.cse56 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse59) |c_~#_i_obstacle_flag_~0.base| .cse58) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv6 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse60)))) (.cse57 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet908#1_14|))) (let ((.cse55 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse58) |c_~#_obstacle_flag_~0.base| .cse56) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv7 32)) .cse57))) (let ((.cse53 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse56) |c_~#_i_obstacle_flag_~0.base| .cse55) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv7 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse57)))) (.cse54 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet910#1_14|))) (let ((.cse52 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse55) |c_~#_obstacle_flag_~0.base| .cse53) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv8 32)) .cse54))) (let ((.cse50 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse53) |c_~#_i_obstacle_flag_~0.base| .cse52) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv8 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse54)))) (.cse51 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet912#1_14|))) (let ((.cse49 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse52) |c_~#_obstacle_flag_~0.base| .cse50) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv9 32)) .cse51))) (let ((.cse47 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse50) |c_~#_i_obstacle_flag_~0.base| .cse49) |c_~#_obstacle_flag_~0.base|) (bvadd |~#_obstacle_flag_~0.offset| (_ bv9 32)) ((_ sign_extend 24) ((_ extract 7 0) .cse51)))) (.cse48 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet914#1_14|))) (let ((.cse46 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse49) |c_~#_obstacle_flag_~0.base| .cse47) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv10 32)) .cse48))) (let ((.cse44 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse47) |c_~#_i_obstacle_flag_~0.base| .cse46) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv10 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse48)))) (.cse45 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet916#1_14|))) (let ((.cse43 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse46) |c_~#_obstacle_flag_~0.base| .cse44) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv11 32)) .cse45))) (let ((.cse41 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse44) |c_~#_i_obstacle_flag_~0.base| .cse43) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv11 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse45)))) (.cse42 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet918#1_14|))) (let ((.cse40 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse43) |c_~#_obstacle_flag_~0.base| .cse41) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv12 32)) .cse42))) (let ((.cse38 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse41) |c_~#_i_obstacle_flag_~0.base| .cse40) |c_~#_obstacle_flag_~0.base|) (bvadd |~#_obstacle_flag_~0.offset| (_ bv12 32)) ((_ sign_extend 24) ((_ extract 7 0) .cse42)))) (.cse39 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet920#1_14|))) (let ((.cse37 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse40) |c_~#_obstacle_flag_~0.base| .cse38) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv13 32)) .cse39))) (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse37) |c_~#_obstacle_flag_~0.base| (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse38) |c_~#_i_obstacle_flag_~0.base| .cse37) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv13 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse39)))))))))))))))))))))))) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv14 32)) .cse36))) (let ((.cse33 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| v_ArrVal_987) |c_~#_i_obstacle_flag_~0.base| .cse35) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv14 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse36)))) (.cse34 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet924#1_14|))) (let ((.cse32 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse35) |c_~#_obstacle_flag_~0.base| .cse33) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv15 32)) .cse34))) (let ((.cse30 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse33) |c_~#_i_obstacle_flag_~0.base| .cse32) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv15 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse34)))) (.cse31 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet926#1_14|))) (let ((.cse29 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse32) |c_~#_obstacle_flag_~0.base| .cse30) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv16 32)) .cse31))) (let ((.cse27 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse30) |c_~#_i_obstacle_flag_~0.base| .cse29) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv16 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse31)))) (.cse28 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet928#1_14|))) (let ((.cse26 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse29) |c_~#_obstacle_flag_~0.base| .cse27) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv17 32)) .cse28))) (let ((.cse24 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse27) |c_~#_i_obstacle_flag_~0.base| .cse26) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv17 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse28)))) (.cse25 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet930#1_14|))) (let ((.cse23 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse26) |c_~#_obstacle_flag_~0.base| .cse24) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv18 32)) .cse25))) (let ((.cse21 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse24) |c_~#_i_obstacle_flag_~0.base| .cse23) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv18 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse25)))) (.cse22 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet932#1_14|))) (let ((.cse20 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse23) |c_~#_obstacle_flag_~0.base| .cse21) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv19 32)) .cse22))) (let ((.cse18 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse21) |c_~#_i_obstacle_flag_~0.base| .cse20) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv19 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse22)))) (.cse19 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet934#1_14|))) (let ((.cse17 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse20) |c_~#_obstacle_flag_~0.base| .cse18) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv20 32)) .cse19))) (let ((.cse15 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse18) |c_~#_i_obstacle_flag_~0.base| .cse17) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv20 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse19)))) (.cse16 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet936#1_14|))) (let ((.cse14 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse17) |c_~#_obstacle_flag_~0.base| .cse15) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv21 32)) .cse16))) (let ((.cse12 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse15) |c_~#_i_obstacle_flag_~0.base| .cse14) |c_~#_obstacle_flag_~0.base|) (bvadd |~#_obstacle_flag_~0.offset| (_ bv21 32)) ((_ sign_extend 24) ((_ extract 7 0) .cse16)))) (.cse13 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet938#1_14|))) (let ((.cse11 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse14) |c_~#_obstacle_flag_~0.base| .cse12) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv22 32)) .cse13))) (let ((.cse9 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse12) |c_~#_i_obstacle_flag_~0.base| .cse11) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv22 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse13)))) (.cse10 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet940#1_14|))) (let ((.cse8 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse11) |c_~#_obstacle_flag_~0.base| .cse9) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv23 32)) .cse10))) (let ((.cse6 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse9) |c_~#_i_obstacle_flag_~0.base| .cse8) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv23 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse10)))) (.cse7 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet942#1_14|))) (let ((.cse5 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse8) |c_~#_obstacle_flag_~0.base| .cse6) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv24 32)) .cse7))) (let ((.cse3 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse6) |c_~#_i_obstacle_flag_~0.base| .cse5) |c_~#_obstacle_flag_~0.base|) (bvadd |~#_obstacle_flag_~0.offset| (_ bv24 32)) ((_ sign_extend 24) ((_ extract 7 0) .cse7)))) (.cse4 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet944#1_14|))) (let ((.cse2 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse5) |c_~#_obstacle_flag_~0.base| .cse3) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv25 32)) .cse4))) (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse2) |c_~#_obstacle_flag_~0.base| (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse3) |c_~#_i_obstacle_flag_~0.base| .cse2) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv25 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse4)))))))))))))))))))))))))))) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv26 32)) .cse1))) (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse0) |c_~#_obstacle_flag_~0.base| (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| v_ArrVal_1018) |c_~#_i_obstacle_flag_~0.base| .cse0) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv26 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse1)))))) |c_~#_i_nxtway_gs_mode_~0.base| v_ArrVal_995) |c_~#_nxtway_gs_mode_~0.base| v_ArrVal_979) |c_~#__startrek_start_t1~0.base|) (bvadd |c_~#__startrek_start_t1~0.offset| (_ bv1 32))))) ((_ zero_extend 24) c_~__startrek_error_round~0))) is different from false [2023-12-02 19:57:07,233 WARN L876 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start___startrek_init_globals_#t~nondet912#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet940#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet918#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet896#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet920#1_14| (_ BitVec 8)) (v_ArrVal_979 (Array (_ BitVec 32) (_ BitVec 32))) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet904#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet938#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet946#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet910#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet924#1_14| (_ BitVec 8)) (|~#_obstacle_flag_~0.offset| (_ BitVec 32)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet916#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet932#1_14| (_ BitVec 8)) (|~#_i_obstacle_flag_~0.offset| (_ BitVec 32)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet902#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet908#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet922#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet930#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet936#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet914#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet928#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet944#1_14| (_ BitVec 8)) (v_ArrVal_987 (Array (_ BitVec 32) (_ BitVec 32))) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet942#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet906#1_14| (_ BitVec 8)) (v_ArrVal_995 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_991 (Array (_ BitVec 32) (_ BitVec 32))) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet926#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet898#1_14| (_ BitVec 8)) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet934#1_14| (_ BitVec 8)) (v_ArrVal_1018 (Array (_ BitVec 32) (_ BitVec 32))) (|v_ULTIMATE.start___startrek_init_globals_#t~nondet900#1_14| (_ BitVec 8))) (bvslt ((_ zero_extend 24) ((_ extract 7 0) (select (select (store (store (let ((.cse1 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet946#1_14|))) (let ((.cse0 (store (select (let ((.cse36 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet922#1_14|))) (let ((.cse35 (store (select (let ((.cse65 (let ((.cse69 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet900#1_14|))) (store (select (let ((.cse73 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet896#1_14|))) (let ((.cse72 (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| (store (select |c_#memory_int| |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv1 32)) .cse73)))) (let ((.cse70 (store (select .cse72 |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv1 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse73)))) (.cse71 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet898#1_14|))) (let ((.cse68 (store (select (store .cse72 |c_~#_obstacle_flag_~0.base| .cse70) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv2 32)) .cse71))) (let ((.cse67 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse70) |c_~#_i_obstacle_flag_~0.base| .cse68) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv2 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse71))))) (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse67) |c_~#_i_obstacle_flag_~0.base| (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse68) |c_~#_obstacle_flag_~0.base| .cse67) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv3 32)) .cse69))))))) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv3 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse69))))) (.cse66 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet902#1_14|))) (let ((.cse64 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| v_ArrVal_991) |c_~#_obstacle_flag_~0.base| .cse65) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv4 32)) .cse66))) (let ((.cse62 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse65) |c_~#_i_obstacle_flag_~0.base| .cse64) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv4 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse66)))) (.cse63 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet904#1_14|))) (let ((.cse61 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse64) |c_~#_obstacle_flag_~0.base| .cse62) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv5 32)) .cse63))) (let ((.cse59 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse62) |c_~#_i_obstacle_flag_~0.base| .cse61) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv5 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse63)))) (.cse60 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet906#1_14|))) (let ((.cse58 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse61) |c_~#_obstacle_flag_~0.base| .cse59) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv6 32)) .cse60))) (let ((.cse56 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse59) |c_~#_i_obstacle_flag_~0.base| .cse58) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv6 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse60)))) (.cse57 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet908#1_14|))) (let ((.cse55 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse58) |c_~#_obstacle_flag_~0.base| .cse56) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv7 32)) .cse57))) (let ((.cse53 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse56) |c_~#_i_obstacle_flag_~0.base| .cse55) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv7 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse57)))) (.cse54 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet910#1_14|))) (let ((.cse52 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse55) |c_~#_obstacle_flag_~0.base| .cse53) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv8 32)) .cse54))) (let ((.cse50 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse53) |c_~#_i_obstacle_flag_~0.base| .cse52) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv8 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse54)))) (.cse51 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet912#1_14|))) (let ((.cse49 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse52) |c_~#_obstacle_flag_~0.base| .cse50) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv9 32)) .cse51))) (let ((.cse47 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse50) |c_~#_i_obstacle_flag_~0.base| .cse49) |c_~#_obstacle_flag_~0.base|) (bvadd |~#_obstacle_flag_~0.offset| (_ bv9 32)) ((_ sign_extend 24) ((_ extract 7 0) .cse51)))) (.cse48 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet914#1_14|))) (let ((.cse46 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse49) |c_~#_obstacle_flag_~0.base| .cse47) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv10 32)) .cse48))) (let ((.cse44 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse47) |c_~#_i_obstacle_flag_~0.base| .cse46) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv10 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse48)))) (.cse45 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet916#1_14|))) (let ((.cse43 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse46) |c_~#_obstacle_flag_~0.base| .cse44) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv11 32)) .cse45))) (let ((.cse41 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse44) |c_~#_i_obstacle_flag_~0.base| .cse43) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv11 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse45)))) (.cse42 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet918#1_14|))) (let ((.cse40 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse43) |c_~#_obstacle_flag_~0.base| .cse41) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv12 32)) .cse42))) (let ((.cse38 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse41) |c_~#_i_obstacle_flag_~0.base| .cse40) |c_~#_obstacle_flag_~0.base|) (bvadd |~#_obstacle_flag_~0.offset| (_ bv12 32)) ((_ sign_extend 24) ((_ extract 7 0) .cse42)))) (.cse39 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet920#1_14|))) (let ((.cse37 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse40) |c_~#_obstacle_flag_~0.base| .cse38) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv13 32)) .cse39))) (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse37) |c_~#_obstacle_flag_~0.base| (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse38) |c_~#_i_obstacle_flag_~0.base| .cse37) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv13 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse39)))))))))))))))))))))))) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv14 32)) .cse36))) (let ((.cse33 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| v_ArrVal_987) |c_~#_i_obstacle_flag_~0.base| .cse35) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv14 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse36)))) (.cse34 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet924#1_14|))) (let ((.cse32 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse35) |c_~#_obstacle_flag_~0.base| .cse33) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv15 32)) .cse34))) (let ((.cse30 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse33) |c_~#_i_obstacle_flag_~0.base| .cse32) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv15 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse34)))) (.cse31 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet926#1_14|))) (let ((.cse29 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse32) |c_~#_obstacle_flag_~0.base| .cse30) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv16 32)) .cse31))) (let ((.cse27 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse30) |c_~#_i_obstacle_flag_~0.base| .cse29) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv16 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse31)))) (.cse28 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet928#1_14|))) (let ((.cse26 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse29) |c_~#_obstacle_flag_~0.base| .cse27) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv17 32)) .cse28))) (let ((.cse24 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse27) |c_~#_i_obstacle_flag_~0.base| .cse26) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv17 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse28)))) (.cse25 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet930#1_14|))) (let ((.cse23 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse26) |c_~#_obstacle_flag_~0.base| .cse24) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv18 32)) .cse25))) (let ((.cse21 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse24) |c_~#_i_obstacle_flag_~0.base| .cse23) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv18 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse25)))) (.cse22 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet932#1_14|))) (let ((.cse20 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse23) |c_~#_obstacle_flag_~0.base| .cse21) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv19 32)) .cse22))) (let ((.cse18 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse21) |c_~#_i_obstacle_flag_~0.base| .cse20) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv19 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse22)))) (.cse19 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet934#1_14|))) (let ((.cse17 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse20) |c_~#_obstacle_flag_~0.base| .cse18) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv20 32)) .cse19))) (let ((.cse15 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse18) |c_~#_i_obstacle_flag_~0.base| .cse17) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv20 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse19)))) (.cse16 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet936#1_14|))) (let ((.cse14 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse17) |c_~#_obstacle_flag_~0.base| .cse15) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv21 32)) .cse16))) (let ((.cse12 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse15) |c_~#_i_obstacle_flag_~0.base| .cse14) |c_~#_obstacle_flag_~0.base|) (bvadd |~#_obstacle_flag_~0.offset| (_ bv21 32)) ((_ sign_extend 24) ((_ extract 7 0) .cse16)))) (.cse13 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet938#1_14|))) (let ((.cse11 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse14) |c_~#_obstacle_flag_~0.base| .cse12) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv22 32)) .cse13))) (let ((.cse9 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse12) |c_~#_i_obstacle_flag_~0.base| .cse11) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv22 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse13)))) (.cse10 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet940#1_14|))) (let ((.cse8 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse11) |c_~#_obstacle_flag_~0.base| .cse9) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv23 32)) .cse10))) (let ((.cse6 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse9) |c_~#_i_obstacle_flag_~0.base| .cse8) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv23 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse10)))) (.cse7 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet942#1_14|))) (let ((.cse5 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse8) |c_~#_obstacle_flag_~0.base| .cse6) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv24 32)) .cse7))) (let ((.cse3 (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse6) |c_~#_i_obstacle_flag_~0.base| .cse5) |c_~#_obstacle_flag_~0.base|) (bvadd |~#_obstacle_flag_~0.offset| (_ bv24 32)) ((_ sign_extend 24) ((_ extract 7 0) .cse7)))) (.cse4 ((_ sign_extend 24) |v_ULTIMATE.start___startrek_init_globals_#t~nondet944#1_14|))) (let ((.cse2 (store (select (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse5) |c_~#_obstacle_flag_~0.base| .cse3) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv25 32)) .cse4))) (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse2) |c_~#_obstacle_flag_~0.base| (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| .cse3) |c_~#_i_obstacle_flag_~0.base| .cse2) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv25 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse4)))))))))))))))))))))))))))) |c_~#_i_obstacle_flag_~0.base|) (bvadd |~#_i_obstacle_flag_~0.offset| (_ bv26 32)) .cse1))) (store (store |c_#memory_int| |c_~#_i_obstacle_flag_~0.base| .cse0) |c_~#_obstacle_flag_~0.base| (store (select (store (store |c_#memory_int| |c_~#_obstacle_flag_~0.base| v_ArrVal_1018) |c_~#_i_obstacle_flag_~0.base| .cse0) |c_~#_obstacle_flag_~0.base|) (bvadd (_ bv26 32) |~#_obstacle_flag_~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) .cse1)))))) |c_~#_i_nxtway_gs_mode_~0.base| v_ArrVal_995) |c_~#_nxtway_gs_mode_~0.base| v_ArrVal_979) |c_~#__startrek_start_t1~0.base|) (bvadd |c_~#__startrek_start_t1~0.offset| (_ bv1 32))))) ((_ zero_extend 24) c_~__startrek_error_round~0))) is different from true