./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6fd57f2-c0a1-4829-8cfb-bb2d69bf4eea/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6fd57f2-c0a1-4829-8cfb-bb2d69bf4eea/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6fd57f2-c0a1-4829-8cfb-bb2d69bf4eea/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6fd57f2-c0a1-4829-8cfb-bb2d69bf4eea/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6fd57f2-c0a1-4829-8cfb-bb2d69bf4eea/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6fd57f2-c0a1-4829-8cfb-bb2d69bf4eea/bin/ukojak-verify-EEHR8qb7sm --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d2d3aad0694c3b388c0809528dd70602c78583397ee307f7b8ddb787c2822233 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:18:09,242 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:18:09,320 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6fd57f2-c0a1-4829-8cfb-bb2d69bf4eea/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:18:09,325 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:18:09,326 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:18:09,364 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:18:09,365 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:18:09,365 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:18:09,366 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:18:09,366 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:18:09,368 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:18:09,368 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:18:09,368 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:18:09,369 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:18:09,369 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:18:09,369 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:18:09,369 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:18:09,369 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:18:09,369 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:18:09,369 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:18:09,369 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:18:09,369 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:18:09,370 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:18:09,370 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:18:09,370 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:18:09,370 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:18:09,370 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:18:09,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:18:09,372 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:18:09,372 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:18:09,372 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:18:09,373 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:18:09,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:18:09,373 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_a6fd57f2-c0a1-4829-8cfb-bb2d69bf4eea/bin/ukojak-verify-EEHR8qb7sm 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 -> Kojak 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 -> d2d3aad0694c3b388c0809528dd70602c78583397ee307f7b8ddb787c2822233 [2024-11-13 21:18:09,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:18:09,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:18:09,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:18:09,695 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:18:09,695 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:18:09,696 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6fd57f2-c0a1-4829-8cfb-bb2d69bf4eea/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-1.c Unable to find full path for "g++" [2024-11-13 21:18:11,741 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:18:12,201 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:18:12,206 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6fd57f2-c0a1-4829-8cfb-bb2d69bf4eea/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-1.c [2024-11-13 21:18:12,226 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6fd57f2-c0a1-4829-8cfb-bb2d69bf4eea/bin/ukojak-verify-EEHR8qb7sm/data/942e2a80d/a41cd1e0abd14a7a84f6b8d472303af4/FLAG7c10f55ed [2024-11-13 21:18:12,242 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6fd57f2-c0a1-4829-8cfb-bb2d69bf4eea/bin/ukojak-verify-EEHR8qb7sm/data/942e2a80d/a41cd1e0abd14a7a84f6b8d472303af4 [2024-11-13 21:18:12,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:18:12,246 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:18:12,248 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:18:12,248 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:18:12,253 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:18:12,254 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:18:12" (1/1) ... [2024-11-13 21:18:12,255 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52284b77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:12, skipping insertion in model container [2024-11-13 21:18:12,255 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:18:12" (1/1) ... [2024-11-13 21:18:12,319 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:18:12,526 WARN L250 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_a6fd57f2-c0a1-4829-8cfb-bb2d69bf4eea/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-1.c[1510,1523] [2024-11-13 21:18:12,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:18:12,960 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:18:12,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.bug1.i","-S") [38] [2024-11-13 21:18:12,978 WARN L250 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_a6fd57f2-c0a1-4829-8cfb-bb2d69bf4eea/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-1.c[1510,1523] [2024-11-13 21:18:13,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:18:13,264 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:18:13,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:13 WrapperNode [2024-11-13 21:18:13,265 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:18:13,266 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:18:13,266 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:18:13,267 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:18:13,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:13" (1/1) ... [2024-11-13 21:18:13,350 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:13" (1/1) ... [2024-11-13 21:18:13,630 INFO L138 Inliner]: procedures = 55, calls = 2249, calls flagged for inlining = 22, calls inlined = 22, statements flattened = 4884 [2024-11-13 21:18:13,631 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:18:13,632 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:18:13,632 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:18:13,632 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:18:13,641 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:13" (1/1) ... [2024-11-13 21:18:13,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:13" (1/1) ... [2024-11-13 21:18:13,678 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:13" (1/1) ... [2024-11-13 21:18:13,681 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:13" (1/1) ... [2024-11-13 21:18:13,848 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:13" (1/1) ... [2024-11-13 21:18:13,876 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:13" (1/1) ... [2024-11-13 21:18:13,895 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:13" (1/1) ... [2024-11-13 21:18:13,907 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:13" (1/1) ... [2024-11-13 21:18:13,945 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:18:13,946 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:18:13,946 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:18:13,947 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:18:13,948 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:13" (1/1) ... [2024-11-13 21:18:13,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:18:13,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6fd57f2-c0a1-4829-8cfb-bb2d69bf4eea/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:18:13,990 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6fd57f2-c0a1-4829-8cfb-bb2d69bf4eea/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:18:13,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6fd57f2-c0a1-4829-8cfb-bb2d69bf4eea/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:18:14,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:18:14,029 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-13 21:18:14,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-13 21:18:14,030 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-11-13 21:18:14,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-11-13 21:18:14,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:18:14,030 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-13 21:18:14,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-13 21:18:14,030 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-13 21:18:14,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-13 21:18:14,030 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-11-13 21:18:14,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-11-13 21:18:14,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:18:14,031 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-13 21:18:14,031 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-13 21:18:14,031 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-11-13 21:18:14,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-11-13 21:18:14,031 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-13 21:18:14,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-13 21:18:14,031 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-13 21:18:14,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-13 21:18:14,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:18:14,031 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2024-11-13 21:18:14,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2024-11-13 21:18:14,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:18:14,031 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-11-13 21:18:14,031 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-11-13 21:18:14,031 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:18:14,031 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:18:14,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:18:14,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:18:14,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:18:14,032 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-11-13 21:18:14,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-11-13 21:18:14,032 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-13 21:18:14,032 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-13 21:18:14,032 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-11-13 21:18:14,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-11-13 21:18:14,571 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:18:14,576 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:18:40,245 INFO L? ?]: Removed 349 outVars from TransFormulas that were not future-live. [2024-11-13 21:18:40,245 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:18:40,651 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:18:40,651 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:18:40,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:18:40 BoogieIcfgContainer [2024-11-13 21:18:40,655 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:18:40,656 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:18:40,656 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:18:40,668 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:18:40,668 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:18:40" (1/1) ... [2024-11-13 21:18:40,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:18:40,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:40,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2248 states to 1435 states and 2248 transitions. [2024-11-13 21:18:40,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 2248 transitions. [2024-11-13 21:18:40,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1548 [2024-11-13 21:18:40,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:40,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:19:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:08,288 INFO L134 CoverageAnalysis]: Checked inductivity of 62443 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 62374 trivial. 0 not checked. [2024-11-13 21:20:18,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:20:28,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:20:28,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:28,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2246 states to 1435 states and 2246 transitions. [2024-11-13 21:20:28,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 2246 transitions. [2024-11-13 21:20:28,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1692 [2024-11-13 21:20:28,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:28,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:20,767 INFO L134 CoverageAnalysis]: Checked inductivity of 65251 backedges. 0 proven. 285 refuted. 0 times theorem prover too weak. 64966 trivial. 0 not checked. [2024-11-13 21:25:30,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:25:31,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:31,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2294 states to 1446 states and 2293 transitions. [2024-11-13 21:25:31,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 2293 transitions. [2024-11-13 21:25:31,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1693 [2024-11-13 21:25:31,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:31,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:26:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:34,202 INFO L134 CoverageAnalysis]: Checked inductivity of 64973 backedges. 0 proven. 193 refuted. 0 times theorem prover too weak. 64780 trivial. 0 not checked. [2024-11-13 21:29:34,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:34,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2301 states to 1451 states and 2300 transitions. [2024-11-13 21:29:34,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2300 transitions. [2024-11-13 21:29:34,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1788 [2024-11-13 21:29:34,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:34,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:30:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat