./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bddefdf3e33cf0835aee089299a408d34c996e1a935e7cc87de0cdc6493bca2a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 02:37:23,523 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 02:37:23,604 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 02:37:23,609 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 02:37:23,611 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 02:37:23,636 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 02:37:23,638 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 02:37:23,638 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 02:37:23,639 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 02:37:23,639 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 02:37:23,639 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 02:37:23,640 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 02:37:23,640 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 02:37:23,640 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 02:37:23,641 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 02:37:23,641 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 02:37:23,643 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 02:37:23,644 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 02:37:23,646 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 02:37:23,646 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 02:37:23,646 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 02:37:23,647 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 02:37:23,648 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 02:37:23,648 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 02:37:23,648 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 02:37:23,648 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 02:37:23,649 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 02:37:23,649 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 02:37:23,649 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 02:37:23,649 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 02:37:23,649 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 02:37:23,650 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 02:37:23,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:37:23,650 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 02:37:23,650 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 02:37:23,650 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 02:37:23,651 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 02:37:23,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 02:37:23,651 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 02:37:23,651 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 02:37:23,651 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 02:37:23,652 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 02:37:23,652 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bddefdf3e33cf0835aee089299a408d34c996e1a935e7cc87de0cdc6493bca2a [2024-11-22 02:37:23,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 02:37:23,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 02:37:23,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 02:37:23,940 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 02:37:23,941 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 02:37:23,942 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-2.c [2024-11-22 02:37:25,316 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 02:37:25,598 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 02:37:25,598 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-2.c [2024-11-22 02:37:25,622 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae61d0dba/bd23e0d79a804259b637c10e6209d380/FLAGa97b40917 [2024-11-22 02:37:25,905 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae61d0dba/bd23e0d79a804259b637c10e6209d380 [2024-11-22 02:37:25,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 02:37:25,909 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 02:37:25,909 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 02:37:25,910 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 02:37:25,914 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 02:37:25,915 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:37:25" (1/1) ... [2024-11-22 02:37:25,916 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d9dd627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:37:25, skipping insertion in model container [2024-11-22 02:37:25,916 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:37:25" (1/1) ... [2024-11-22 02:37:25,964 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 02:37:26,157 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-2.c[1509,1522] [2024-11-22 02:37:26,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:37:26,510 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 02:37:26,519 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.ok1.i","-S") [38] [2024-11-22 02:37:26,524 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-2.c[1509,1522] [2024-11-22 02:37:26,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:37:26,723 INFO L204 MainTranslator]: Completed translation [2024-11-22 02:37:26,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:37:26 WrapperNode [2024-11-22 02:37:26,723 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 02:37:26,724 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 02:37:26,724 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 02:37:26,724 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 02:37:26,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:37:26" (1/1) ... [2024-11-22 02:37:26,777 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:37:26" (1/1) ... [2024-11-22 02:37:26,924 INFO L138 Inliner]: procedures = 55, calls = 2249, calls flagged for inlining = 22, calls inlined = 22, statements flattened = 4885 [2024-11-22 02:37:26,924 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 02:37:26,925 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 02:37:26,925 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 02:37:26,925 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 02:37:26,934 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:37:26" (1/1) ... [2024-11-22 02:37:26,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:37:26" (1/1) ... [2024-11-22 02:37:26,972 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:37:26" (1/1) ... [2024-11-22 02:37:27,039 INFO L175 MemorySlicer]: Split 1588 memory accesses to 15 slices as follows [2, 2, 277, 285, 113, 113, 181, 8, 203, 180, 203, 2, 4, 7, 8]. 18 percent of accesses are in the largest equivalence class. The 220 initializations are split as follows [2, 0, 27, 27, 27, 27, 27, 0, 27, 27, 27, 0, 0, 2, 0]. The 229 writes are split as follows [0, 1, 27, 27, 27, 27, 28, 4, 26, 28, 26, 1, 0, 3, 4]. [2024-11-22 02:37:27,040 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:37:26" (1/1) ... [2024-11-22 02:37:27,040 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:37:26" (1/1) ... [2024-11-22 02:37:27,260 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:37:26" (1/1) ... [2024-11-22 02:37:27,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:37:26" (1/1) ... [2024-11-22 02:37:27,367 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:37:26" (1/1) ... [2024-11-22 02:37:27,376 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:37:26" (1/1) ... [2024-11-22 02:37:27,411 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 02:37:27,413 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 02:37:27,413 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 02:37:27,414 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 02:37:27,415 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:37:26" (1/1) ... [2024-11-22 02:37:27,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:37:27,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:37:27,449 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 02:37:27,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 02:37:27,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 02:37:27,504 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-22 02:37:27,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-22 02:37:27,504 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-11-22 02:37:27,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-11-22 02:37:27,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 02:37:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-22 02:37:27,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-22 02:37:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-22 02:37:27,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-22 02:37:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-11-22 02:37:27,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-11-22 02:37:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 02:37:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 02:37:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 02:37:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 02:37:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 02:37:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 02:37:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-22 02:37:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-22 02:37:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-22 02:37:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-22 02:37:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-22 02:37:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-22 02:37:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-22 02:37:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-22 02:37:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-22 02:37:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-22 02:37:27,508 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-22 02:37:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-11-22 02:37:27,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-11-22 02:37:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-22 02:37:27,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-22 02:37:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-22 02:37:27,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-22 02:37:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 02:37:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2024-11-22 02:37:27,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2024-11-22 02:37:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 02:37:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 02:37:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 02:37:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 02:37:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 02:37:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 02:37:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-22 02:37:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-22 02:37:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-22 02:37:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-22 02:37:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-22 02:37:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-22 02:37:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-22 02:37:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-22 02:37:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-22 02:37:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-11-22 02:37:27,513 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-11-22 02:37:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 02:37:27,513 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 02:37:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 02:37:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 02:37:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 02:37:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 02:37:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 02:37:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 02:37:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-22 02:37:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-22 02:37:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-22 02:37:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-22 02:37:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-22 02:37:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-22 02:37:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-22 02:37:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-22 02:37:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-22 02:37:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 02:37:27,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 02:37:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-11-22 02:37:27,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-11-22 02:37:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-22 02:37:27,516 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-22 02:37:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-11-22 02:37:27,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-11-22 02:37:27,835 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 02:37:27,837 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 02:37:35,054 INFO L? ?]: Removed 349 outVars from TransFormulas that were not future-live. [2024-11-22 02:37:35,054 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 02:37:35,099 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 02:37:35,100 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 02:37:35,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:37:35 BoogieIcfgContainer [2024-11-22 02:37:35,100 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 02:37:35,101 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 02:37:35,101 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 02:37:35,104 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 02:37:35,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:37:25" (1/3) ... [2024-11-22 02:37:35,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e85ece8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:37:35, skipping insertion in model container [2024-11-22 02:37:35,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:37:26" (2/3) ... [2024-11-22 02:37:35,105 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e85ece8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:37:35, skipping insertion in model container [2024-11-22 02:37:35,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:37:35" (3/3) ... [2024-11-22 02:37:35,106 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_nxt.1.M1-2.c [2024-11-22 02:37:35,118 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 02:37:35,118 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 02:37:35,197 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 02:37:35,202 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, 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;@580002ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 02:37:35,202 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 02:37:35,210 INFO L276 IsEmpty]: Start isEmpty. Operand has 1473 states, 845 states have (on average 1.2627218934911242) internal successors, (1067), 974 states have internal predecessors, (1067), 611 states have call successors, (611), 15 states have call predecessors, (611), 15 states have return successors, (611), 512 states have call predecessors, (611), 611 states have call successors, (611) [2024-11-22 02:37:35,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2119 [2024-11-22 02:37:35,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:37:35,319 INFO L215 NwaCegarLoop]: trace histogram [241, 241, 241, 27, 27, 27, 27, 27, 27, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:37:35,319 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:37:35,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:37:35,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1702562562, now seen corresponding path program 1 times [2024-11-22 02:37:35,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:37:35,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321643358] [2024-11-22 02:37:35,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:37:35,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:37:36,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:37:37,487 INFO L134 CoverageAnalysis]: Checked inductivity of 121188 backedges. 0 proven. 480 refuted. 0 times theorem prover too weak. 120708 trivial. 0 not checked. [2024-11-22 02:37:37,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:37:37,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321643358] [2024-11-22 02:37:37,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321643358] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 02:37:37,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343522182] [2024-11-22 02:37:37,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:37:37,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:37:37,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:37:37,493 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 02:37:37,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 02:37:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:37:39,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 7394 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 02:37:39,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 02:37:39,459 INFO L134 CoverageAnalysis]: Checked inductivity of 121188 backedges. 480 proven. 0 refuted. 0 times theorem prover too weak. 120708 trivial. 0 not checked. [2024-11-22 02:37:39,459 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 02:37:39,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1343522182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:37:39,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 02:37:39,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 02:37:39,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156026515] [2024-11-22 02:37:39,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:37:39,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 02:37:39,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:37:39,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 02:37:39,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 02:37:39,503 INFO L87 Difference]: Start difference. First operand has 1473 states, 845 states have (on average 1.2627218934911242) internal successors, (1067), 974 states have internal predecessors, (1067), 611 states have call successors, (611), 15 states have call predecessors, (611), 15 states have return successors, (611), 512 states have call predecessors, (611), 611 states have call successors, (611) Second operand has 2 states, 2 states have (on average 216.0) internal successors, (432), 2 states have internal predecessors, (432), 2 states have call successors, (272), 2 states have call predecessors, (272), 1 states have return successors, (272), 1 states have call predecessors, (272), 2 states have call successors, (272) [2024-11-22 02:37:39,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:37:39,667 INFO L93 Difference]: Finished difference Result 2941 states and 5167 transitions. [2024-11-22 02:37:39,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 02:37:39,670 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 216.0) internal successors, (432), 2 states have internal predecessors, (432), 2 states have call successors, (272), 2 states have call predecessors, (272), 1 states have return successors, (272), 1 states have call predecessors, (272), 2 states have call successors, (272) Word has length 2118 [2024-11-22 02:37:39,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:37:39,696 INFO L225 Difference]: With dead ends: 2941 [2024-11-22 02:37:39,697 INFO L226 Difference]: Without dead ends: 1468 [2024-11-22 02:37:39,712 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2119 GetRequests, 2119 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 02:37:39,714 INFO L432 NwaCegarLoop]: 2286 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, 2286 SdHoareTripleChecker+Invalid, 0 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 [2024-11-22 02:37:39,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2286 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:37:39,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1468 states. [2024-11-22 02:37:39,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1468 to 1468. [2024-11-22 02:37:39,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1468 states, 841 states have (on average 1.2592152199762188) internal successors, (1059), 969 states have internal predecessors, (1059), 611 states have call successors, (611), 15 states have call predecessors, (611), 15 states have return successors, (611), 512 states have call predecessors, (611), 611 states have call successors, (611) [2024-11-22 02:37:39,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1468 states and 2281 transitions. [2024-11-22 02:37:39,981 INFO L78 Accepts]: Start accepts. Automaton has 1468 states and 2281 transitions. Word has length 2118 [2024-11-22 02:37:39,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:37:39,983 INFO L471 AbstractCegarLoop]: Abstraction has 1468 states and 2281 transitions. [2024-11-22 02:37:39,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 216.0) internal successors, (432), 2 states have internal predecessors, (432), 2 states have call successors, (272), 2 states have call predecessors, (272), 1 states have return successors, (272), 1 states have call predecessors, (272), 2 states have call successors, (272) [2024-11-22 02:37:39,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 2281 transitions. [2024-11-22 02:37:40,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2119 [2024-11-22 02:37:40,188 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:37:40,189 INFO L215 NwaCegarLoop]: trace histogram [241, 241, 241, 27, 27, 27, 27, 27, 27, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:37:40,211 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 02:37:40,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-22 02:37:40,390 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:37:40,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:37:40,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1581870840, now seen corresponding path program 1 times [2024-11-22 02:37:40,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:37:40,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281133005] [2024-11-22 02:37:40,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:37:40,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:37:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:37:42,791 INFO L134 CoverageAnalysis]: Checked inductivity of 121188 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 121073 trivial. 0 not checked. [2024-11-22 02:37:42,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:37:42,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281133005] [2024-11-22 02:37:42,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281133005] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 02:37:42,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574270416] [2024-11-22 02:37:42,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:37:42,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:37:42,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:37:42,795 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 02:37:42,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 02:37:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:37:44,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 7394 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-22 02:37:44,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 02:37:44,498 INFO L134 CoverageAnalysis]: Checked inductivity of 121188 backedges. 27799 proven. 0 refuted. 0 times theorem prover too weak. 93389 trivial. 0 not checked. [2024-11-22 02:37:44,498 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 02:37:44,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574270416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:37:44,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 02:37:44,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 3 [2024-11-22 02:37:44,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118456045] [2024-11-22 02:37:44,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:37:44,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:37:44,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:37:44,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:37:44,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:37:44,506 INFO L87 Difference]: Start difference. First operand 1468 states and 2281 transitions. Second operand has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 2 states have call successors, (273), 2 states have call predecessors, (273), 2 states have return successors, (273), 2 states have call predecessors, (273), 2 states have call successors, (273) [2024-11-22 02:37:44,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:37:44,588 INFO L93 Difference]: Finished difference Result 2461 states and 3874 transitions. [2024-11-22 02:37:44,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:37:44,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 2 states have call successors, (273), 2 states have call predecessors, (273), 2 states have return successors, (273), 2 states have call predecessors, (273), 2 states have call successors, (273) Word has length 2118 [2024-11-22 02:37:44,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:37:44,605 INFO L225 Difference]: With dead ends: 2461 [2024-11-22 02:37:44,606 INFO L226 Difference]: Without dead ends: 1468 [2024-11-22 02:37:44,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2120 GetRequests, 2119 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:37:44,614 INFO L432 NwaCegarLoop]: 2279 mSDtfsCounter, 0 mSDsluCounter, 2269 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4548 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:37:44,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4548 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:37:44,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1468 states. [2024-11-22 02:37:44,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1468 to 1468. [2024-11-22 02:37:44,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1468 states, 841 states have (on average 1.258026159334126) internal successors, (1058), 969 states have internal predecessors, (1058), 611 states have call successors, (611), 15 states have call predecessors, (611), 15 states have return successors, (611), 512 states have call predecessors, (611), 611 states have call successors, (611) [2024-11-22 02:37:44,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1468 states and 2280 transitions. [2024-11-22 02:37:44,764 INFO L78 Accepts]: Start accepts. Automaton has 1468 states and 2280 transitions. Word has length 2118 [2024-11-22 02:37:44,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:37:44,769 INFO L471 AbstractCegarLoop]: Abstraction has 1468 states and 2280 transitions. [2024-11-22 02:37:44,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 2 states have call successors, (273), 2 states have call predecessors, (273), 2 states have return successors, (273), 2 states have call predecessors, (273), 2 states have call successors, (273) [2024-11-22 02:37:44,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 2280 transitions. [2024-11-22 02:37:44,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2311 [2024-11-22 02:37:44,858 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:37:44,859 INFO L215 NwaCegarLoop]: trace histogram [241, 241, 241, 48, 48, 27, 27, 27, 27, 27, 27, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:37:44,881 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 02:37:45,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-22 02:37:45,066 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:37:45,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:37:45,067 INFO L85 PathProgramCache]: Analyzing trace with hash -2125320456, now seen corresponding path program 1 times [2024-11-22 02:37:45,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:37:45,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028246326] [2024-11-22 02:37:45,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:37:45,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:37:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:37:50,185 INFO L134 CoverageAnalysis]: Checked inductivity of 125124 backedges. 0 proven. 357 refuted. 0 times theorem prover too weak. 124767 trivial. 0 not checked. [2024-11-22 02:37:50,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:37:50,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028246326] [2024-11-22 02:37:50,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028246326] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 02:37:50,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2008949239] [2024-11-22 02:37:50,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:37:50,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:37:50,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:37:50,189 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 02:37:50,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 02:37:52,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:37:52,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 8162 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-22 02:37:52,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 02:37:52,476 INFO L134 CoverageAnalysis]: Checked inductivity of 125124 backedges. 25585 proven. 2 refuted. 0 times theorem prover too weak. 99537 trivial. 0 not checked. [2024-11-22 02:37:52,476 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 02:37:54,053 INFO L134 CoverageAnalysis]: Checked inductivity of 125124 backedges. 12 proven. 144 refuted. 0 times theorem prover too weak. 124968 trivial. 0 not checked. [2024-11-22 02:37:54,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2008949239] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 02:37:54,054 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 02:37:54,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 13 [2024-11-22 02:37:54,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722130929] [2024-11-22 02:37:54,055 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 02:37:54,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 02:37:54,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:37:54,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 02:37:54,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-22 02:37:54,061 INFO L87 Difference]: Start difference. First operand 1468 states and 2280 transitions. Second operand has 13 states, 11 states have (on average 47.90909090909091) internal successors, (527), 13 states have internal predecessors, (527), 7 states have call successors, (346), 4 states have call predecessors, (346), 5 states have return successors, (348), 5 states have call predecessors, (348), 7 states have call successors, (348) [2024-11-22 02:37:58,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:37:58,812 INFO L93 Difference]: Finished difference Result 2822 states and 4409 transitions. [2024-11-22 02:37:58,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 02:37:58,813 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 47.90909090909091) internal successors, (527), 13 states have internal predecessors, (527), 7 states have call successors, (346), 4 states have call predecessors, (346), 5 states have return successors, (348), 5 states have call predecessors, (348), 7 states have call successors, (348) Word has length 2310 [2024-11-22 02:37:58,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:37:58,836 INFO L225 Difference]: With dead ends: 2822 [2024-11-22 02:37:58,836 INFO L226 Difference]: Without dead ends: 1829 [2024-11-22 02:37:58,843 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4626 GetRequests, 4614 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-22 02:37:58,845 INFO L432 NwaCegarLoop]: 2787 mSDtfsCounter, 3402 mSDsluCounter, 8581 mSDsCounter, 0 mSdLazyCounter, 6045 mSolverCounterSat, 497 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3402 SdHoareTripleChecker+Valid, 11368 SdHoareTripleChecker+Invalid, 6542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 497 IncrementalHoareTripleChecker+Valid, 6045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-22 02:37:58,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3402 Valid, 11368 Invalid, 6542 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [497 Valid, 6045 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-22 02:37:58,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1829 states. [2024-11-22 02:37:58,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1829 to 1829. [2024-11-22 02:37:58,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1829 states, 1110 states have (on average 1.2756756756756757) internal successors, (1416), 1238 states have internal predecessors, (1416), 695 states have call successors, (695), 23 states have call predecessors, (695), 23 states have return successors, (695), 596 states have call predecessors, (695), 695 states have call successors, (695) [2024-11-22 02:37:59,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 1829 states and 2806 transitions. [2024-11-22 02:37:59,004 INFO L78 Accepts]: Start accepts. Automaton has 1829 states and 2806 transitions. Word has length 2310 [2024-11-22 02:37:59,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:37:59,006 INFO L471 AbstractCegarLoop]: Abstraction has 1829 states and 2806 transitions. [2024-11-22 02:37:59,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 47.90909090909091) internal successors, (527), 13 states have internal predecessors, (527), 7 states have call successors, (346), 4 states have call predecessors, (346), 5 states have return successors, (348), 5 states have call predecessors, (348), 7 states have call successors, (348) [2024-11-22 02:37:59,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1829 states and 2806 transitions. [2024-11-22 02:37:59,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2411 [2024-11-22 02:37:59,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:37:59,041 INFO L215 NwaCegarLoop]: trace histogram [241, 241, 241, 48, 48, 27, 27, 27, 25, 25, 25, 25, 25, 25, 25, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:37:59,069 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 02:37:59,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:37:59,245 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:37:59,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:37:59,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1367278642, now seen corresponding path program 1 times [2024-11-22 02:37:59,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:37:59,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707419095] [2024-11-22 02:37:59,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:37:59,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:37:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:38:02,157 INFO L134 CoverageAnalysis]: Checked inductivity of 126224 backedges. 0 proven. 405 refuted. 0 times theorem prover too weak. 125819 trivial. 0 not checked. [2024-11-22 02:38:02,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:38:02,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707419095] [2024-11-22 02:38:02,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707419095] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 02:38:02,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1767243991] [2024-11-22 02:38:02,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:38:02,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:38:02,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:38:02,160 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 02:38:02,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 02:38:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:38:04,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 8462 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 02:38:04,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 02:38:05,631 INFO L134 CoverageAnalysis]: Checked inductivity of 126224 backedges. 27626 proven. 0 refuted. 0 times theorem prover too weak. 98598 trivial. 0 not checked. [2024-11-22 02:38:05,632 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 02:38:05,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1767243991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:38:05,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 02:38:05,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-22 02:38:05,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329843738] [2024-11-22 02:38:05,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:38:05,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:38:05,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:38:05,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:38:05,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:38:05,638 INFO L87 Difference]: Start difference. First operand 1829 states and 2806 transitions. Second operand has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 2 states have internal predecessors, (445), 2 states have call successors, (277), 2 states have call predecessors, (277), 2 states have return successors, (277), 2 states have call predecessors, (277), 2 states have call successors, (277) [2024-11-22 02:38:05,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:38:05,781 INFO L93 Difference]: Finished difference Result 3183 states and 4944 transitions. [2024-11-22 02:38:05,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:38:05,782 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 2 states have internal predecessors, (445), 2 states have call successors, (277), 2 states have call predecessors, (277), 2 states have return successors, (277), 2 states have call predecessors, (277), 2 states have call successors, (277) Word has length 2410 [2024-11-22 02:38:05,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:38:05,802 INFO L225 Difference]: With dead ends: 3183 [2024-11-22 02:38:05,802 INFO L226 Difference]: Without dead ends: 1829 [2024-11-22 02:38:05,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2414 GetRequests, 2410 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:38:05,815 INFO L432 NwaCegarLoop]: 2268 mSDtfsCounter, 1610 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1610 SdHoareTripleChecker+Valid, 2268 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:38:05,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1610 Valid, 2268 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:38:05,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1829 states. [2024-11-22 02:38:05,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1829 to 1829. [2024-11-22 02:38:05,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1829 states, 1110 states have (on average 1.271171171171171) internal successors, (1411), 1238 states have internal predecessors, (1411), 695 states have call successors, (695), 23 states have call predecessors, (695), 23 states have return successors, (695), 596 states have call predecessors, (695), 695 states have call successors, (695) [2024-11-22 02:38:05,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 1829 states and 2801 transitions. [2024-11-22 02:38:05,991 INFO L78 Accepts]: Start accepts. Automaton has 1829 states and 2801 transitions. Word has length 2410 [2024-11-22 02:38:05,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:38:05,993 INFO L471 AbstractCegarLoop]: Abstraction has 1829 states and 2801 transitions. [2024-11-22 02:38:05,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 2 states have internal predecessors, (445), 2 states have call successors, (277), 2 states have call predecessors, (277), 2 states have return successors, (277), 2 states have call predecessors, (277), 2 states have call successors, (277) [2024-11-22 02:38:05,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1829 states and 2801 transitions. [2024-11-22 02:38:06,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2436 [2024-11-22 02:38:06,032 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:38:06,033 INFO L215 NwaCegarLoop]: trace histogram [241, 241, 241, 48, 48, 27, 27, 27, 26, 26, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:38:06,065 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-22 02:38:06,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:38:06,234 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:38:06,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:38:06,235 INFO L85 PathProgramCache]: Analyzing trace with hash -737789203, now seen corresponding path program 1 times [2024-11-22 02:38:06,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:38:06,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159551878] [2024-11-22 02:38:06,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:38:06,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:38:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:38:09,951 INFO L134 CoverageAnalysis]: Checked inductivity of 126452 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 126441 trivial. 0 not checked. [2024-11-22 02:38:09,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:38:09,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159551878] [2024-11-22 02:38:09,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159551878] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 02:38:09,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981551875] [2024-11-22 02:38:09,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:38:09,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:38:09,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:38:09,955 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 02:38:09,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 02:38:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:38:11,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 8467 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-22 02:38:11,830 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 02:38:12,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 301 treesize of output 1 [2024-11-22 02:38:12,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 301 treesize of output 1 [2024-11-22 02:38:16,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 21 treesize of output 9 [2024-11-22 02:38:16,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 21 treesize of output 9 [2024-11-22 02:38:16,787 INFO L134 CoverageAnalysis]: Checked inductivity of 126452 backedges. 67320 proven. 1046 refuted. 0 times theorem prover too weak. 58086 trivial. 0 not checked. [2024-11-22 02:38:16,787 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 02:38:21,009 INFO L134 CoverageAnalysis]: Checked inductivity of 126452 backedges. 1486 proven. 1190 refuted. 0 times theorem prover too weak. 123776 trivial. 0 not checked. [2024-11-22 02:38:21,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1981551875] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 02:38:21,013 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 02:38:21,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 21, 18] total 38 [2024-11-22 02:38:21,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162485952] [2024-11-22 02:38:21,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 02:38:21,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-11-22 02:38:21,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:38:21,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-22 02:38:21,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=1194, Unknown=0, NotChecked=0, Total=1406 [2024-11-22 02:38:21,022 INFO L87 Difference]: Start difference. First operand 1829 states and 2801 transitions. Second operand has 38 states, 33 states have (on average 24.696969696969695) internal successors, (815), 35 states have internal predecessors, (815), 14 states have call successors, (517), 8 states have call predecessors, (517), 14 states have return successors, (518), 12 states have call predecessors, (518), 14 states have call successors, (518) [2024-11-22 02:38:22,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 02:38:24,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 02:38:26,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 02:38:28,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 02:38:40,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 02:38:42,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []