./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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/rekcba_aso.2.M4-1.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 2d62eb188ec8009366dfdca221ff91e65711c28198c7f8ea6438b1bcf863cd3f --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 14:55:21,084 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 14:55:21,142 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 14:55:21,145 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 14:55:21,149 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 14:55:21,169 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 14:55:21,170 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 14:55:21,171 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 14:55:21,171 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 14:55:21,171 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 14:55:21,172 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 14:55:21,172 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 14:55:21,172 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 14:55:21,172 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 14:55:21,173 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 14:55:21,173 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 14:55:21,173 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 14:55:21,173 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 14:55:21,173 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 14:55:21,173 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 14:55:21,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 14:55:21,173 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 14:55:21,173 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 14:55:21,174 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 14:55:21,174 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 14:55:21,174 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 14:55:21,174 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 14:55:21,174 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 14:55:21,174 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 14:55:21,174 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 14:55:21,174 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 14:55:21,174 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 14:55:21,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 14:55:21,175 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 14:55:21,175 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 14:55:21,175 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 14:55:21,175 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 14:55:21,175 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 14:55:21,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 14:55:21,175 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 14:55:21,175 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 14:55:21,175 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 14:55:21,175 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 14:55:21,176 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 2d62eb188ec8009366dfdca221ff91e65711c28198c7f8ea6438b1bcf863cd3f [2025-03-03 14:55:21,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 14:55:21,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 14:55:21,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 14:55:21,386 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 14:55:21,386 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 14:55:21,387 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-1.c [2025-03-03 14:55:22,650 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8a259c28/602c420194d84086930d462af7855b9a/FLAG5d0e5c446 [2025-03-03 14:55:23,095 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 14:55:23,095 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-1.c [2025-03-03 14:55:23,130 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8a259c28/602c420194d84086930d462af7855b9a/FLAG5d0e5c446 [2025-03-03 14:55:23,144 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8a259c28/602c420194d84086930d462af7855b9a [2025-03-03 14:55:23,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 14:55:23,148 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 14:55:23,149 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 14:55:23,150 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 14:55:23,153 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 14:55:23,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 02:55:23" (1/1) ... [2025-03-03 14:55:23,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@357e2eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:23, skipping insertion in model container [2025-03-03 14:55:23,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 02:55:23" (1/1) ... [2025-03-03 14:55:23,256 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 14:55:23,473 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/rekcba_aso.2.M4-1.c[2836,2849] [2025-03-03 14:55:24,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 14:55:24,377 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 14:55:24,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.bug2.i","-S") [61] [2025-03-03 14:55:24,392 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/rekcba_aso.2.M4-1.c[2836,2849] [2025-03-03 14:55:24,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 14:55:25,101 INFO L204 MainTranslator]: Completed translation [2025-03-03 14:55:25,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:25 WrapperNode [2025-03-03 14:55:25,103 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 14:55:25,103 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 14:55:25,103 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 14:55:25,104 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 14:55:25,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:25" (1/1) ... [2025-03-03 14:55:25,351 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:25" (1/1) ... [2025-03-03 14:55:26,808 INFO L138 Inliner]: procedures = 64, calls = 20729, calls flagged for inlining = 22, calls inlined = 22, statements flattened = 44150 [2025-03-03 14:55:26,813 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 14:55:26,813 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 14:55:26,814 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 14:55:26,814 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 14:55:26,829 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:25" (1/1) ... [2025-03-03 14:55:26,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:25" (1/1) ... [2025-03-03 14:55:27,347 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:25" (1/1) ... [2025-03-03 14:55:27,724 INFO L175 MemorySlicer]: Split 16153 memory accesses to 27 slices as follows [2, 7, 2, 2, 194, 17, 9, 194, 17, 9, 2784, 3760, 2408, 1672, 1188, 852, 8, 325, 429, 325, 429, 325, 429, 325, 429, 4, 8]. 23 percent of accesses are in the largest equivalence class. The 1108 initializations are split as follows [0, 2, 0, 2, 0, 8, 4, 0, 8, 4, 96, 96, 8, 8, 4, 4, 0, 108, 108, 108, 108, 108, 108, 108, 108, 0, 0]. The 1293 writes are split as follows [1, 3, 1, 0, 98, 1, 1, 98, 1, 1, 96, 96, 8, 8, 4, 4, 4, 109, 107, 109, 107, 109, 107, 109, 107, 0, 4]. [2025-03-03 14:55:27,724 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:25" (1/1) ... [2025-03-03 14:55:27,725 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:25" (1/1) ... [2025-03-03 14:55:28,362 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:25" (1/1) ... [2025-03-03 14:55:28,422 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:25" (1/1) ... [2025-03-03 14:55:28,492 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:25" (1/1) ... [2025-03-03 14:55:28,562 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:25" (1/1) ... [2025-03-03 14:55:28,788 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 14:55:28,789 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 14:55:28,790 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 14:55:28,790 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 14:55:28,790 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:25" (1/1) ... [2025-03-03 14:55:28,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 14:55:28,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:55:28,817 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) [2025-03-03 14:55:28,820 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 [2025-03-03 14:55:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 14:55:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2025-03-03 14:55:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2025-03-03 14:55:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2025-03-03 14:55:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2025-03-03 14:55:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2025-03-03 14:55:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2025-03-03 14:55:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-03 14:55:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-03 14:55:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-03 14:55:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-03 14:55:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-03 14:55:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-03 14:55:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-03 14:55:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-03 14:55:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-03 14:55:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-03 14:55:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-03 14:55:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-03 14:55:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-03 14:55:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-03 14:55:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-03 14:55:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-03 14:55:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-03 14:55:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-03 14:55:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-03 14:55:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-03-03 14:55:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-03-03 14:55:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-03-03 14:55:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-03-03 14:55:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2025-03-03 14:55:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2025-03-03 14:55:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2025-03-03 14:55:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2025-03-03 14:55:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-03 14:55:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2025-03-03 14:55:28,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2025-03-03 14:55:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2025-03-03 14:55:28,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2025-03-03 14:55:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2025-03-03 14:55:28,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2025-03-03 14:55:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-03 14:55:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-03 14:55:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-03 14:55:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-03 14:55:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-03 14:55:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-03 14:55:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-03 14:55:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-03 14:55:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-03 14:55:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-03 14:55:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-03 14:55:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-03 14:55:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-03 14:55:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-03 14:55:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-03 14:55:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-03 14:55:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-03 14:55:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-03 14:55:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2025-03-03 14:55:28,841 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2025-03-03 14:55:28,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2025-03-03 14:55:28,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-03-03 14:55:28,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-03-03 14:55:28,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-03-03 14:55:28,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-03 14:55:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-03 14:55:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-03-03 14:55:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-03-03 14:55:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-03-03 14:55:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-03-03 14:55:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2025-03-03 14:55:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2025-03-03 14:55:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2025-03-03 14:55:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2025-03-03 14:55:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2025-03-03 14:55:28,843 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2025-03-03 14:55:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2025-03-03 14:55:28,843 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2025-03-03 14:55:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2025-03-03 14:55:28,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2025-03-03 14:55:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2025-03-03 14:55:28,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2025-03-03 14:55:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-03 14:55:28,844 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-03 14:55:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 14:55:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-03 14:55:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-03 14:55:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-03 14:55:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-03 14:55:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-03 14:55:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-03 14:55:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-03 14:55:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-03 14:55:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-03 14:55:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-03 14:55:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-03 14:55:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-03 14:55:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-03 14:55:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-03 14:55:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-03 14:55:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-03 14:55:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-03 14:55:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-03 14:55:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-03-03 14:55:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-03-03 14:55:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-03-03 14:55:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-03-03 14:55:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2025-03-03 14:55:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2025-03-03 14:55:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2025-03-03 14:55:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2025-03-03 14:55:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 14:55:28,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 14:55:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2025-03-03 14:55:28,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2025-03-03 14:55:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2025-03-03 14:55:28,845 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2025-03-03 14:55:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2025-03-03 14:55:28,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2025-03-03 14:55:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2025-03-03 14:55:28,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2025-03-03 14:55:30,296 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 14:55:30,297 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 14:55:30,576 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L235: call ULTIMATE.dealloc(OSEK_Task_ts1_~#pwm_l~0#1.base, OSEK_Task_ts1_~#pwm_l~0#1.offset);havoc OSEK_Task_ts1_~#pwm_l~0#1.base, OSEK_Task_ts1_~#pwm_l~0#1.offset;call ULTIMATE.dealloc(OSEK_Task_ts1_~#pwm_r~0#1.base, OSEK_Task_ts1_~#pwm_r~0#1.offset);havoc OSEK_Task_ts1_~#pwm_r~0#1.base, OSEK_Task_ts1_~#pwm_r~0#1.offset; [2025-03-03 14:55:30,576 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L103: call ULTIMATE.dealloc(balance_control_~#tmp~0#1.base, balance_control_~#tmp~0#1.offset);havoc balance_control_~#tmp~0#1.base, balance_control_~#tmp~0#1.offset;call ULTIMATE.dealloc(balance_control_~#tmp_theta_0~0#1.base, balance_control_~#tmp_theta_0~0#1.offset);havoc balance_control_~#tmp_theta_0~0#1.base, balance_control_~#tmp_theta_0~0#1.offset; [2025-03-03 14:55:58,244 INFO L? ?]: Removed 340 outVars from TransFormulas that were not future-live. [2025-03-03 14:55:58,244 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 14:55:58,385 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 14:55:58,386 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 14:55:58,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:55:58 BoogieIcfgContainer [2025-03-03 14:55:58,386 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 14:55:58,389 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 14:55:58,389 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 14:55:58,392 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 14:55:58,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 02:55:23" (1/3) ... [2025-03-03 14:55:58,393 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408fa7ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 02:55:58, skipping insertion in model container [2025-03-03 14:55:58,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:25" (2/3) ... [2025-03-03 14:55:58,394 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408fa7ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 02:55:58, skipping insertion in model container [2025-03-03 14:55:58,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:55:58" (3/3) ... [2025-03-03 14:55:58,395 INFO L128 eAbstractionObserver]: Analyzing ICFG rekcba_aso.2.M4-1.c [2025-03-03 14:55:58,405 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 14:55:58,408 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rekcba_aso.2.M4-1.c that has 22 procedures, 12867 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 14:55:58,638 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 14:55:58,649 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;@2d7e911a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 14:55:58,649 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 14:55:58,680 INFO L276 IsEmpty]: Start isEmpty. Operand has 12867 states, 8327 states have (on average 1.3061126456106642) internal successors, (10876), 8440 states have internal predecessors, (10876), 4517 states have call successors, (4517), 21 states have call predecessors, (4517), 21 states have return successors, (4517), 4514 states have call predecessors, (4517), 4517 states have call successors, (4517) [2025-03-03 14:55:59,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5901 [2025-03-03 14:55:59,113 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:55:59,117 INFO L218 NwaCegarLoop]: trace histogram [551, 551, 551, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:55:59,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:55:59,126 INFO L85 PathProgramCache]: Analyzing trace with hash 616154514, now seen corresponding path program 1 times [2025-03-03 14:55:59,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:55:59,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737652595] [2025-03-03 14:55:59,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:55:59,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:56:23,962 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5900 statements into 1 equivalence classes. [2025-03-03 14:56:24,210 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5900 of 5900 statements. [2025-03-03 14:56:24,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:56:24,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:56:28,878 INFO L134 CoverageAnalysis]: Checked inductivity of 606100 backedges. 0 proven. 1100 refuted. 0 times theorem prover too weak. 605000 trivial. 0 not checked. [2025-03-03 14:56:28,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:56:28,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737652595] [2025-03-03 14:56:28,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737652595] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 14:56:28,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300742853] [2025-03-03 14:56:28,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:56:28,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:56:28,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:56:28,883 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) [2025-03-03 14:56:28,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process