./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d 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.M4-2.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 64d7e25d2b411aa83621d9b12af66c6bbf36b903d9ea3c8a9dc9ced9d60fa3c1 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 15:42:47,084 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 15:42:47,139 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 15:42:47,144 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 15:42:47,145 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 15:42:47,169 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 15:42:47,170 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 15:42:47,170 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 15:42:47,171 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 15:42:47,175 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 15:42:47,175 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 15:42:47,176 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 15:42:47,176 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 15:42:47,176 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 15:42:47,176 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 15:42:47,177 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 15:42:47,177 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 15:42:47,177 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 15:42:47,177 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 15:42:47,177 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 15:42:47,178 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 15:42:47,178 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 15:42:47,178 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 15:42:47,179 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 15:42:47,179 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 15:42:47,180 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 15:42:47,180 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 15:42:47,180 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 15:42:47,180 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 15:42:47,180 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 15:42:47,181 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 15:42:47,181 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 15:42:47,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:42:47,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 15:42:47,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 15:42:47,182 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 15:42:47,182 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 15:42:47,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 15:42:47,182 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 15:42:47,182 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 15:42:47,183 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 15:42:47,184 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 15:42:47,196 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64d7e25d2b411aa83621d9b12af66c6bbf36b903d9ea3c8a9dc9ced9d60fa3c1 [2024-11-08 15:42:47,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 15:42:47,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 15:42:47,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 15:42:47,434 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 15:42:47,434 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 15:42:47,435 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-2.c [2024-11-08 15:42:48,701 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 15:42:49,104 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 15:42:49,105 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-2.c [2024-11-08 15:42:49,144 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65aa923d8/7d0c576febcd4138ac91b22222d1c651/FLAGb282370c7 [2024-11-08 15:42:49,160 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65aa923d8/7d0c576febcd4138ac91b22222d1c651 [2024-11-08 15:42:49,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 15:42:49,164 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 15:42:49,165 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 15:42:49,165 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 15:42:49,169 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 15:42:49,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:42:49" (1/1) ... [2024-11-08 15:42:49,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f284817 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:42:49, skipping insertion in model container [2024-11-08 15:42:49,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:42:49" (1/1) ... [2024-11-08 15:42:49,325 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 15:42:49,534 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.M4-2.c[2232,2245] [2024-11-08 15:42:50,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:42:50,376 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 15:42:50,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.bug1.i","-S") [52] [2024-11-08 15:42:50,390 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.M4-2.c[2232,2245] [2024-11-08 15:42:51,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:42:51,102 INFO L204 MainTranslator]: Completed translation [2024-11-08 15:42:51,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:42:51 WrapperNode [2024-11-08 15:42:51,103 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 15:42:51,104 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 15:42:51,104 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 15:42:51,104 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 15:42:51,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:42:51" (1/1) ... [2024-11-08 15:42:51,614 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:42:51" (1/1) ... [2024-11-08 15:42:53,289 INFO L138 Inliner]: procedures = 61, calls = 20397, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 43681 [2024-11-08 15:42:53,289 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 15:42:53,290 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 15:42:53,290 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 15:42:53,290 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 15:42:53,310 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:42:51" (1/1) ... [2024-11-08 15:42:53,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:42:51" (1/1) ... [2024-11-08 15:42:53,941 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:42:51" (1/1) ... [2024-11-08 15:42:54,324 INFO L175 MemorySlicer]: Split 15933 memory accesses to 24 slices as follows [2, 2, 194, 4, 7, 17, 9, 2784, 3760, 2408, 1672, 1188, 8, 852, 325, 429, 325, 429, 325, 429, 325, 429, 2, 8]. 24 percent of accesses are in the largest equivalence class. The 1096 initializations are split as follows [2, 0, 0, 0, 2, 8, 4, 96, 96, 8, 8, 4, 0, 4, 108, 108, 108, 108, 108, 108, 108, 108, 0, 0]. The 1193 writes are split as follows [0, 1, 98, 0, 3, 1, 1, 96, 96, 8, 8, 4, 4, 4, 109, 107, 109, 107, 109, 107, 109, 107, 1, 4]. [2024-11-08 15:42:54,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:42:51" (1/1) ... [2024-11-08 15:42:54,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:42:51" (1/1) ... [2024-11-08 15:42:55,044 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:42:51" (1/1) ... [2024-11-08 15:42:55,108 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:42:51" (1/1) ... [2024-11-08 15:42:55,214 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:42:51" (1/1) ... [2024-11-08 15:42:55,291 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:42:51" (1/1) ... [2024-11-08 15:42:55,518 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 15:42:55,519 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 15:42:55,519 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 15:42:55,519 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 15:42:55,520 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:42:51" (1/1) ... [2024-11-08 15:42:55,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:42:55,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:42:55,542 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) [2024-11-08 15:42:55,544 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 [2024-11-08 15:42:55,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 15:42:55,574 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2024-11-08 15:42:55,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2024-11-08 15:42:55,574 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-08 15:42:55,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-08 15:42:55,574 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-11-08 15:42:55,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-11-08 15:42:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-08 15:42:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-08 15:42:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-08 15:42:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-08 15:42:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-08 15:42:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-08 15:42:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-08 15:42:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-08 15:42:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-08 15:42:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-08 15:42:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-08 15:42:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-08 15:42:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-08 15:42:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-08 15:42:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-08 15:42:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-08 15:42:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-08 15:42:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-08 15:42:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-08 15:42:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-08 15:42:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-08 15:42:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-08 15:42:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-08 15:42:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-08 15:42:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 15:42:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-08 15:42:55,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-08 15:42:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-08 15:42:55,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-08 15:42:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-11-08 15:42:55,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-11-08 15:42:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 15:42:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 15:42:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 15:42:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-08 15:42:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-08 15:42:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-08 15:42:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-08 15:42:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-08 15:42:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-08 15:42:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-08 15:42:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-08 15:42:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-08 15:42:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-08 15:42:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-08 15:42:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-08 15:42:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-08 15:42:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-08 15:42:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-08 15:42:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-08 15:42:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-08 15:42:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-08 15:42:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-08 15:42:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-08 15:42:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-08 15:42:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-08 15:42:55,579 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-08 15:42:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-11-08 15:42:55,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-11-08 15:42:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2024-11-08 15:42:55,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2024-11-08 15:42:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-08 15:42:55,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-08 15:42:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-08 15:42:55,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-08 15:42:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-08 15:42:55,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-08 15:42:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 15:42:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 15:42:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 15:42:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 15:42:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-08 15:42:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-08 15:42:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-08 15:42:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-08 15:42:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-08 15:42:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-08 15:42:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-08 15:42:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-08 15:42:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-08 15:42:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-08 15:42:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-08 15:42:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-08 15:42:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-08 15:42:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-08 15:42:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-08 15:42:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-08 15:42:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-08 15:42:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-08 15:42:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-08 15:42:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-08 15:42:55,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-08 15:42:55,583 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-08 15:42:55,583 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-08 15:42:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-11-08 15:42:55,584 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-11-08 15:42:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2024-11-08 15:42:55,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2024-11-08 15:42:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2024-11-08 15:42:55,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2024-11-08 15:42:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 15:42:55,584 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 15:42:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 15:42:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 15:42:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 15:42:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 15:42:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-08 15:42:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-08 15:42:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-08 15:42:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-08 15:42:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-08 15:42:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-08 15:42:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-08 15:42:55,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-08 15:42:55,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-08 15:42:55,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-08 15:42:55,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-08 15:42:55,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-08 15:42:55,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-08 15:42:55,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-08 15:42:55,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-08 15:42:55,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-08 15:42:55,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-08 15:42:55,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-08 15:42:55,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-08 15:42:55,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-08 15:42:55,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 15:42:55,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 15:42:55,585 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-11-08 15:42:55,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-11-08 15:42:55,585 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-08 15:42:55,585 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-08 15:42:55,585 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-11-08 15:42:55,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-11-08 15:42:55,586 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2024-11-08 15:42:55,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2024-11-08 15:42:57,021 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 15:42:57,022 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 15:43:22,432 INFO L? ?]: Removed 330 outVars from TransFormulas that were not future-live. [2024-11-08 15:43:22,433 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 15:43:22,529 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 15:43:22,529 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 15:43:22,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:43:22 BoogieIcfgContainer [2024-11-08 15:43:22,530 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 15:43:22,532 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 15:43:22,532 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 15:43:22,535 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 15:43:22,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 03:42:49" (1/3) ... [2024-11-08 15:43:22,536 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c147c7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:43:22, skipping insertion in model container [2024-11-08 15:43:22,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:42:51" (2/3) ... [2024-11-08 15:43:22,536 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c147c7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:43:22, skipping insertion in model container [2024-11-08 15:43:22,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:43:22" (3/3) ... [2024-11-08 15:43:22,537 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_aso.1.M4-2.c [2024-11-08 15:43:22,550 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 15:43:22,550 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 15:43:22,757 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 15:43:22,763 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;@14cc0b6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 15:43:22,763 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 15:43:22,791 INFO L276 IsEmpty]: Start isEmpty. Operand has 12637 states, 8206 states have (on average 1.309895198635145) internal successors, (10749), 8320 states have internal predecessors, (10749), 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) [2024-11-08 15:43:23,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5901 [2024-11-08 15:43:23,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:43:23,335 INFO L215 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] === [2024-11-08 15:43:23,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:43:23,342 INFO L85 PathProgramCache]: Analyzing trace with hash 86084647, now seen corresponding path program 1 times [2024-11-08 15:43:23,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:43:23,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090929580] [2024-11-08 15:43:23,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:43:23,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:44:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat