./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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/rekcba_aso.1.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 7236cecbd92b361c7dde7b9feb16da195b1cfc80435e4a8a50c2b2f61605ff24 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 21:22:15,893 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 21:22:15,947 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-11 21:22:15,952 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 21:22:15,956 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 21:22:15,992 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 21:22:15,993 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 21:22:15,993 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 21:22:15,994 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 21:22:15,996 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 21:22:15,997 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 21:22:15,997 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 21:22:15,998 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 21:22:15,998 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 21:22:16,000 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 21:22:16,001 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 21:22:16,001 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 21:22:16,002 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 21:22:16,002 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 21:22:16,002 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 21:22:16,002 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 21:22:16,007 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 21:22:16,007 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 21:22:16,007 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 21:22:16,007 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 21:22:16,008 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 21:22:16,008 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 21:22:16,008 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 21:22:16,008 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 21:22:16,009 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 21:22:16,009 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 21:22:16,009 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 21:22:16,009 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 21:22:16,011 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 21:22:16,012 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 21:22:16,012 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 21:22:16,012 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 21:22:16,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 21:22:16,013 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 21:22:16,013 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 21:22:16,013 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 21:22:16,014 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 21:22:16,015 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7236cecbd92b361c7dde7b9feb16da195b1cfc80435e4a8a50c2b2f61605ff24 [2024-11-11 21:22:16,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 21:22:16,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 21:22:16,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 21:22:16,381 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 21:22:16,382 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 21:22:16,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-1.c [2024-11-11 21:22:17,969 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 21:22:18,518 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 21:22:18,519 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-1.c [2024-11-11 21:22:18,570 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8662aa359/e7687ae2fd25435f93172483e699adcc/FLAG1ecc1129b [2024-11-11 21:22:19,046 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8662aa359/e7687ae2fd25435f93172483e699adcc [2024-11-11 21:22:19,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 21:22:19,051 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 21:22:19,053 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 21:22:19,053 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 21:22:19,060 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 21:22:19,061 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 09:22:19" (1/1) ... [2024-11-11 21:22:19,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e7a8dba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:22:19, skipping insertion in model container [2024-11-11 21:22:19,062 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 09:22:19" (1/1) ... [2024-11-11 21:22:19,178 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 21:22:19,502 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.1.M4-1.c[2313,2326] [2024-11-11 21:22:20,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 21:22:20,974 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 21:22:20,985 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.ok1.i","-S") [52] [2024-11-11 21:22:20,993 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.1.M4-1.c[2313,2326] [2024-11-11 21:22:22,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 21:22:22,171 INFO L204 MainTranslator]: Completed translation [2024-11-11 21:22:22,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:22:22 WrapperNode [2024-11-11 21:22:22,173 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 21:22:22,175 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 21:22:22,175 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 21:22:22,175 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 21:22:22,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:22:22" (1/1) ... [2024-11-11 21:22:22,807 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:22:22" (1/1) ... [2024-11-11 21:22:25,165 INFO L138 Inliner]: procedures = 63, calls = 20397, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 43685 [2024-11-11 21:22:25,166 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 21:22:25,167 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 21:22:25,167 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 21:22:25,167 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 21:22:25,176 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:22:22" (1/1) ... [2024-11-11 21:22:25,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:22:22" (1/1) ... [2024-11-11 21:22:25,798 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:22:22" (1/1) ... [2024-11-11 21:22:26,240 INFO L175 MemorySlicer]: Split 15933 memory accesses to 24 slices as follows [2, 194, 17, 9, 2, 2784, 3760, 8, 2408, 1672, 7, 1188, 852, 325, 429, 325, 429, 2, 325, 429, 325, 429, 4, 8]. 24 percent of accesses are in the largest equivalence class. The 1096 initializations are split as follows [2, 0, 8, 4, 0, 96, 96, 0, 8, 8, 2, 4, 4, 108, 108, 108, 108, 0, 108, 108, 108, 108, 0, 0]. The 1193 writes are split as follows [0, 98, 1, 1, 1, 96, 96, 4, 8, 8, 3, 4, 4, 109, 107, 109, 107, 1, 109, 107, 109, 107, 0, 4]. [2024-11-11 21:22:26,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:22:22" (1/1) ... [2024-11-11 21:22:26,241 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:22:22" (1/1) ... [2024-11-11 21:22:27,261 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:22:22" (1/1) ... [2024-11-11 21:22:27,371 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:22:22" (1/1) ... [2024-11-11 21:22:27,609 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:22:22" (1/1) ... [2024-11-11 21:22:27,718 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:22:22" (1/1) ... [2024-11-11 21:22:27,981 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 21:22:27,982 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 21:22:27,983 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 21:22:27,983 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 21:22:27,984 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:22:22" (1/1) ... [2024-11-11 21:22:27,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 21:22:27,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 21:22:28,018 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) [2024-11-11 21:22:28,020 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 [2024-11-11 21:22:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 21:22:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2024-11-11 21:22:28,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2024-11-11 21:22:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-11 21:22:28,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-11 21:22:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-11-11 21:22:28,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-11-11 21:22:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-11 21:22:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-11 21:22:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-11 21:22:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-11 21:22:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-11 21:22:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-11 21:22:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-11 21:22:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-11 21:22:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-11 21:22:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-11 21:22:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-11 21:22:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-11 21:22:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-11 21:22:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-11 21:22:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-11 21:22:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-11 21:22:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-11 21:22:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-11 21:22:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-11 21:22:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-11 21:22:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-11 21:22:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-11 21:22:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-11 21:22:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-11 21:22:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-11 21:22:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-11 21:22:28,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-11 21:22:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-11 21:22:28,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-11 21:22:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-11-11 21:22:28,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-11-11 21:22:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-11 21:22:28,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-11 21:22:28,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-11 21:22:28,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-11 21:22:28,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-11 21:22:28,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-11 21:22:28,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-11 21:22:28,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-11 21:22:28,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-11 21:22:28,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-11 21:22:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-11 21:22:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-11 21:22:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-11 21:22:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-11 21:22:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-11 21:22:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-11 21:22:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-11 21:22:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-11 21:22:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-11 21:22:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-11 21:22:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-11 21:22:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-11 21:22:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-11 21:22:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-11 21:22:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-11 21:22:28,066 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-11 21:22:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-11-11 21:22:28,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-11-11 21:22:28,067 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2024-11-11 21:22:28,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2024-11-11 21:22:28,067 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-11 21:22:28,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-11 21:22:28,067 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-11 21:22:28,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-11 21:22:28,067 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-11 21:22:28,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-11 21:22:28,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-11 21:22:28,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-11 21:22:28,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-11 21:22:28,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-11 21:22:28,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-11 21:22:28,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-11 21:22:28,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-11 21:22:28,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-11 21:22:28,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-11 21:22:28,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-11 21:22:28,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-11 21:22:28,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-11 21:22:28,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-11 21:22:28,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-11 21:22:28,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-11 21:22:28,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-11 21:22:28,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-11 21:22:28,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-11 21:22:28,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-11 21:22:28,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-11 21:22:28,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-11 21:22:28,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-11 21:22:28,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-11 21:22:28,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-11 21:22:28,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-11 21:22:28,071 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-11 21:22:28,071 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-11 21:22:28,071 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-11-11 21:22:28,071 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-11-11 21:22:28,071 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2024-11-11 21:22:28,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2024-11-11 21:22:28,072 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2024-11-11 21:22:28,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2024-11-11 21:22:28,072 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-11 21:22:28,072 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-11 21:22:28,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-11 21:22:28,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-11 21:22:28,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-11 21:22:28,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-11 21:22:28,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-11 21:22:28,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-11 21:22:28,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-11 21:22:28,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-11 21:22:28,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-11 21:22:28,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-11 21:22:28,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-11 21:22:28,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-11 21:22:28,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-11 21:22:28,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-11 21:22:28,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-11 21:22:28,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-11 21:22:28,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-11 21:22:28,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-11 21:22:28,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-11 21:22:28,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-11 21:22:28,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-11 21:22:28,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-11 21:22:28,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-11 21:22:28,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-11 21:22:28,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 21:22:28,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 21:22:28,076 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-11-11 21:22:28,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-11-11 21:22:28,076 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-11 21:22:28,077 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-11 21:22:28,077 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-11-11 21:22:28,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-11-11 21:22:28,077 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2024-11-11 21:22:28,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2024-11-11 21:22:29,960 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 21:22:29,962 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 21:23:06,728 INFO L? ?]: Removed 330 outVars from TransFormulas that were not future-live. [2024-11-11 21:23:06,729 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 21:23:06,873 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 21:23:06,874 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-11 21:23:06,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 09:23:06 BoogieIcfgContainer [2024-11-11 21:23:06,874 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 21:23:06,876 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 21:23:06,877 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 21:23:06,880 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 21:23:06,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 09:22:19" (1/3) ... [2024-11-11 21:23:06,881 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb51a44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 09:23:06, skipping insertion in model container [2024-11-11 21:23:06,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:22:22" (2/3) ... [2024-11-11 21:23:06,881 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb51a44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 09:23:06, skipping insertion in model container [2024-11-11 21:23:06,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 09:23:06" (3/3) ... [2024-11-11 21:23:06,883 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_aso.1.M4-1.c [2024-11-11 21:23:06,900 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 21:23:06,900 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-11 21:23:07,199 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 21:23:07,206 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;@39527b91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 21:23:07,206 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-11 21:23:07,252 INFO L276 IsEmpty]: Start isEmpty. Operand has 12639 states, 8208 states have (on average 1.3098196881091617) internal successors, (10751), 8321 states have internal predecessors, (10751), 4408 states have call successors, (4408), 21 states have call predecessors, (4408), 21 states have return successors, (4408), 4405 states have call predecessors, (4408), 4408 states have call successors, (4408) [2024-11-11 21:23:08,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5901 [2024-11-11 21:23:08,152 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:23:08,156 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] === [2024-11-11 21:23:08,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:23:08,170 INFO L85 PathProgramCache]: Analyzing trace with hash 2120995589, now seen corresponding path program 1 times [2024-11-11 21:23:08,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:23:08,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234751650] [2024-11-11 21:23:08,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:23:08,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:23:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat