./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 3061b6dc 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-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 14:47:26,728 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 14:47:26,797 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 14:47:26,802 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 14:47:26,802 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 14:47:26,821 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 14:47:26,822 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 14:47:26,822 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 14:47:26,823 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 14:47:26,823 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 14:47:26,824 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 14:47:26,824 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 14:47:26,825 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 14:47:26,825 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 14:47:26,825 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 14:47:26,826 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 14:47:26,826 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 14:47:26,827 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 14:47:26,827 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 14:47:26,827 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 14:47:26,828 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 14:47:26,828 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 14:47:26,828 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 14:47:26,829 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 14:47:26,829 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 14:47:26,829 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 14:47:26,829 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 14:47:26,830 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 14:47:26,830 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 14:47:26,830 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 14:47:26,831 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 14:47:26,831 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 14:47:26,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:47:26,836 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 14:47:26,836 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 14:47:26,836 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 14:47:26,836 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 14:47:26,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 14:47:26,837 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 14:47:26,837 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 14:47:26,837 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 14:47:26,838 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 14:47:26,838 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7236cecbd92b361c7dde7b9feb16da195b1cfc80435e4a8a50c2b2f61605ff24 [2024-11-18 14:47:27,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 14:47:27,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 14:47:27,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 14:47:27,173 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 14:47:27,174 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 14:47:27,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-1.c [2024-11-18 14:47:28,655 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 14:47:29,150 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 14:47:29,150 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-1.c [2024-11-18 14:47:29,213 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cec1875bf/ac4e0f051a534dfb887ad6b09b8579dd/FLAGffb28c8db [2024-11-18 14:47:29,229 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cec1875bf/ac4e0f051a534dfb887ad6b09b8579dd [2024-11-18 14:47:29,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 14:47:29,234 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 14:47:29,236 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 14:47:29,236 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 14:47:29,241 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 14:47:29,242 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:47:29" (1/1) ... [2024-11-18 14:47:29,245 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a45d5cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:47:29, skipping insertion in model container [2024-11-18 14:47:29,246 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:47:29" (1/1) ... [2024-11-18 14:47:29,459 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 14:47:29,749 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] [2024-11-18 14:47:30,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:47:30,997 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 14:47:31,009 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.ok1.i","-S") [52] [2024-11-18 14:47:31,017 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] [2024-11-18 14:47:31,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:47:32,006 INFO L204 MainTranslator]: Completed translation [2024-11-18 14:47:32,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:47:32 WrapperNode [2024-11-18 14:47:32,007 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 14:47:32,008 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 14:47:32,009 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 14:47:32,009 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 14:47:32,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:47:32" (1/1) ... [2024-11-18 14:47:32,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:47:32" (1/1) ... [2024-11-18 14:47:35,171 INFO L138 Inliner]: procedures = 63, calls = 20397, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 43685 [2024-11-18 14:47:35,172 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 14:47:35,176 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 14:47:35,176 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 14:47:35,176 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 14:47:35,188 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:47:32" (1/1) ... [2024-11-18 14:47:35,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:47:32" (1/1) ... [2024-11-18 14:47:35,994 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:47:32" (1/1) ... [2024-11-18 14:47:36,593 INFO L175 MemorySlicer]: Split 15933 memory accesses to 24 slices as follows [2, 2, 194, 17, 9, 2784, 4, 3760, 2408, 1672, 7, 1188, 852, 8, 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 [0, 2, 0, 8, 4, 96, 0, 96, 8, 8, 2, 4, 4, 0, 108, 108, 108, 108, 108, 108, 108, 108, 0, 0]. The 1193 writes are split as follows [1, 0, 98, 1, 1, 96, 0, 96, 8, 8, 3, 4, 4, 4, 109, 107, 109, 107, 109, 107, 109, 107, 1, 4]. [2024-11-18 14:47:36,593 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:47:32" (1/1) ... [2024-11-18 14:47:36,594 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:47:32" (1/1) ... [2024-11-18 14:47:37,594 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:47:32" (1/1) ... [2024-11-18 14:47:37,706 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:47:32" (1/1) ... [2024-11-18 14:47:37,841 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:47:32" (1/1) ... [2024-11-18 14:47:37,946 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:47:32" (1/1) ... [2024-11-18 14:47:38,270 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 14:47:38,272 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 14:47:38,272 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 14:47:38,272 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 14:47:38,274 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:47:32" (1/1) ... [2024-11-18 14:47:38,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:47:38,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:47:38,314 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) [2024-11-18 14:47:38,316 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 [2024-11-18 14:47:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 14:47:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2024-11-18 14:47:38,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2024-11-18 14:47:38,376 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-18 14:47:38,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-18 14:47:38,376 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-11-18 14:47:38,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-11-18 14:47:38,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-18 14:47:38,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-18 14:47:38,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-18 14:47:38,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-18 14:47:38,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-18 14:47:38,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-18 14:47:38,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-18 14:47:38,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-18 14:47:38,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-18 14:47:38,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-18 14:47:38,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-18 14:47:38,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-18 14:47:38,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-18 14:47:38,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-18 14:47:38,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-18 14:47:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-18 14:47:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-18 14:47:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-18 14:47:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-18 14:47:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-18 14:47:38,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-18 14:47:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-18 14:47:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-18 14:47:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-18 14:47:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-18 14:47:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-18 14:47:38,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-18 14:47:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-18 14:47:38,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-18 14:47:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-11-18 14:47:38,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-11-18 14:47:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-18 14:47:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-18 14:47:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-18 14:47:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-18 14:47:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-18 14:47:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-18 14:47:38,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-18 14:47:38,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-18 14:47:38,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-18 14:47:38,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-18 14:47:38,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-18 14:47:38,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-18 14:47:38,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-18 14:47:38,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-18 14:47:38,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-18 14:47:38,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-18 14:47:38,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-18 14:47:38,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-18 14:47:38,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-18 14:47:38,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-18 14:47:38,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-18 14:47:38,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-18 14:47:38,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-18 14:47:38,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-18 14:47:38,387 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-18 14:47:38,388 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-18 14:47:38,388 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-11-18 14:47:38,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-11-18 14:47:38,388 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2024-11-18 14:47:38,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2024-11-18 14:47:38,388 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-18 14:47:38,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-18 14:47:38,389 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-18 14:47:38,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-18 14:47:38,389 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-18 14:47:38,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-18 14:47:38,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-18 14:47:38,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-18 14:47:38,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-18 14:47:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-18 14:47:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-18 14:47:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-18 14:47:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-18 14:47:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-18 14:47:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-18 14:47:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-18 14:47:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-18 14:47:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-18 14:47:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-18 14:47:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-18 14:47:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-18 14:47:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-18 14:47:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-18 14:47:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-18 14:47:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-18 14:47:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-18 14:47:38,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-18 14:47:38,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-18 14:47:38,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-18 14:47:38,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-18 14:47:38,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-18 14:47:38,393 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-18 14:47:38,393 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-18 14:47:38,394 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-11-18 14:47:38,394 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-11-18 14:47:38,394 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2024-11-18 14:47:38,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2024-11-18 14:47:38,394 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2024-11-18 14:47:38,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2024-11-18 14:47:38,395 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 14:47:38,395 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 14:47:38,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 14:47:38,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-18 14:47:38,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-18 14:47:38,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-18 14:47:38,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-18 14:47:38,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-18 14:47:38,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-18 14:47:38,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-18 14:47:38,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-18 14:47:38,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-18 14:47:38,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-18 14:47:38,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-18 14:47:38,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-18 14:47:38,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-18 14:47:38,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-18 14:47:38,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-18 14:47:38,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-18 14:47:38,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-18 14:47:38,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-18 14:47:38,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-18 14:47:38,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-18 14:47:38,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-18 14:47:38,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-18 14:47:38,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-18 14:47:38,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 14:47:38,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 14:47:38,399 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-11-18 14:47:38,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-11-18 14:47:38,399 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-18 14:47:38,400 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-18 14:47:38,400 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-11-18 14:47:38,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-11-18 14:47:38,400 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2024-11-18 14:47:38,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2024-11-18 14:47:40,289 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 14:47:40,291 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 14:48:10,962 INFO L? ?]: Removed 330 outVars from TransFormulas that were not future-live. [2024-11-18 14:48:10,963 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 14:48:11,115 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 14:48:11,115 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 14:48:11,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:48:11 BoogieIcfgContainer [2024-11-18 14:48:11,116 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 14:48:11,118 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 14:48:11,119 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 14:48:11,124 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 14:48:11,125 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:47:29" (1/3) ... [2024-11-18 14:48:11,125 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ddebdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:48:11, skipping insertion in model container [2024-11-18 14:48:11,125 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:47:32" (2/3) ... [2024-11-18 14:48:11,125 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ddebdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:48:11, skipping insertion in model container [2024-11-18 14:48:11,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:48:11" (3/3) ... [2024-11-18 14:48:11,127 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_aso.1.M4-1.c [2024-11-18 14:48:11,140 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 14:48:11,140 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 14:48:11,568 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 14:48:11,575 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;@3d1ba614, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 14:48:11,576 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 14:48:11,620 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) [2024-11-18 14:48:12,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5901 [2024-11-18 14:48:12,106 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:48:12,110 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] === [2024-11-18 14:48:12,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:48:12,118 INFO L85 PathProgramCache]: Analyzing trace with hash 2120995589, now seen corresponding path program 1 times [2024-11-18 14:48:12,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:48:12,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510502040] [2024-11-18 14:48:12,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:48:12,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:48:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat