/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/seq-mthreaded/rekh_aso.2.M4-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 18:09:51,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 18:09:51,445 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 18:09:51,449 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 18:09:51,450 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 18:09:51,468 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 18:09:51,468 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 18:09:51,468 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 18:09:51,469 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 18:09:51,469 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 18:09:51,469 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 18:09:51,470 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 18:09:51,470 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 18:09:51,471 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 18:09:51,471 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 18:09:51,471 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 18:09:51,472 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 18:09:51,472 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 18:09:51,472 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 18:09:51,473 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 18:09:51,473 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 18:09:51,473 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 18:09:51,474 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 18:09:51,474 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 18:09:51,474 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 18:09:51,475 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 18:09:51,475 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 18:09:51,475 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 18:09:51,476 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 18:09:51,476 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 18:09:51,476 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 18:09:51,477 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 18:09:51,477 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 18:09:51,477 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 18:09:51,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 18:09:51,478 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 18:09:51,478 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 18:09:51,478 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 18:09:51,479 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 18:09:51,479 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 18:09:51,479 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 18:09:51,479 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 18:09:51,480 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 18:09:51,480 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 18:09:51,480 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 18:09:51,480 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 18:09:51,480 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 18:09:51,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 18:09:51,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 18:09:51,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 18:09:51,754 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 18:09:51,754 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 18:09:51,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_aso.2.M4-1.c [2023-12-16 18:09:52,965 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 18:09:53,283 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 18:09:53,284 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_aso.2.M4-1.c [2023-12-16 18:09:53,314 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/317fda962/5c28ef8c15df4b9cba36e9bbb1799059/FLAGcc3e7e9fe [2023-12-16 18:09:53,328 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/317fda962/5c28ef8c15df4b9cba36e9bbb1799059 [2023-12-16 18:09:53,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 18:09:53,333 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 18:09:53,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 18:09:53,335 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 18:09:53,339 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 18:09:53,339 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:09:53" (1/1) ... [2023-12-16 18:09:53,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba551a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:09:53, skipping insertion in model container [2023-12-16 18:09:53,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:09:53" (1/1) ... [2023-12-16 18:09:53,409 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 18:09:53,561 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_aso.2.M4-1.c[1974,1987] [2023-12-16 18:09:54,011 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 18:09:54,043 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 18:09:54,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.bug2.i","-S") [47] [2023-12-16 18:09:54,063 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_aso.2.M4-1.c[1974,1987] [2023-12-16 18:09:54,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 18:09:54,307 INFO L206 MainTranslator]: Completed translation [2023-12-16 18:09:54,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:09:54 WrapperNode [2023-12-16 18:09:54,310 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 18:09:54,311 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 18:09:54,312 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 18:09:54,312 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 18:09:54,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:09:54" (1/1) ... [2023-12-16 18:09:54,404 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:09:54" (1/1) ... [2023-12-16 18:09:54,578 INFO L138 Inliner]: procedures = 64, calls = 3183, calls flagged for inlining = 19, calls inlined = 19, statements flattened = 7247 [2023-12-16 18:09:54,579 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 18:09:54,579 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 18:09:54,580 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 18:09:54,580 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 18:09:54,589 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:09:54" (1/1) ... [2023-12-16 18:09:54,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:09:54" (1/1) ... [2023-12-16 18:09:54,656 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:09:54" (1/1) ... [2023-12-16 18:09:54,788 INFO L175 MemorySlicer]: Split 2177 memory accesses to 19 slices as follows [2, 2, 293, 329, 87, 87, 160, 177, 4, 160, 8, 177, 160, 177, 160, 2, 177, 7, 8]. 15 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0]. The 361 writes are split as follows [0, 1, 28, 28, 28, 28, 32, 27, 0, 32, 4, 27, 32, 27, 32, 1, 27, 3, 4]. [2023-12-16 18:09:54,789 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:09:54" (1/1) ... [2023-12-16 18:09:54,789 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:09:54" (1/1) ... [2023-12-16 18:09:54,930 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:09:54" (1/1) ... [2023-12-16 18:09:54,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:09:54" (1/1) ... [2023-12-16 18:09:54,978 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:09:54" (1/1) ... [2023-12-16 18:09:54,999 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:09:54" (1/1) ... [2023-12-16 18:09:55,107 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 18:09:55,108 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 18:09:55,108 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 18:09:55,108 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 18:09:55,108 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:09:54" (1/1) ... [2023-12-16 18:09:55,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 18:09:55,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 18:09:55,149 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) [2023-12-16 18:09:55,158 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 [2023-12-16 18:09:55,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 18:09:55,240 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2023-12-16 18:09:55,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2023-12-16 18:09:55,240 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-12-16 18:09:55,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-12-16 18:09:55,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-12-16 18:09:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-12-16 18:09:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2023-12-16 18:09:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2023-12-16 18:09:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2023-12-16 18:09:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2023-12-16 18:09:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2023-12-16 18:09:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2023-12-16 18:09:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2023-12-16 18:09:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2023-12-16 18:09:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2023-12-16 18:09:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2023-12-16 18:09:55,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2023-12-16 18:09:55,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#13 [2023-12-16 18:09:55,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#14 [2023-12-16 18:09:55,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#15 [2023-12-16 18:09:55,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#16 [2023-12-16 18:09:55,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#17 [2023-12-16 18:09:55,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#18 [2023-12-16 18:09:55,242 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2023-12-16 18:09:55,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2023-12-16 18:09:55,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-16 18:09:55,243 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-12-16 18:09:55,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-12-16 18:09:55,243 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-12-16 18:09:55,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-12-16 18:09:55,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-12-16 18:09:55,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-12-16 18:09:55,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-12-16 18:09:55,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-12-16 18:09:55,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-12-16 18:09:55,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-12-16 18:09:55,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-12-16 18:09:55,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2023-12-16 18:09:55,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2023-12-16 18:09:55,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2023-12-16 18:09:55,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2023-12-16 18:09:55,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2023-12-16 18:09:55,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2023-12-16 18:09:55,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2023-12-16 18:09:55,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2023-12-16 18:09:55,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2023-12-16 18:09:55,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16 [2023-12-16 18:09:55,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#17 [2023-12-16 18:09:55,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#18 [2023-12-16 18:09:55,245 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2023-12-16 18:09:55,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2023-12-16 18:09:55,245 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-12-16 18:09:55,245 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-12-16 18:09:55,245 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2023-12-16 18:09:55,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2023-12-16 18:09:55,246 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2023-12-16 18:09:55,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2023-12-16 18:09:55,246 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-12-16 18:09:55,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-12-16 18:09:55,246 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-12-16 18:09:55,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-12-16 18:09:55,246 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2023-12-16 18:09:55,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2023-12-16 18:09:55,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-12-16 18:09:55,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-12-16 18:09:55,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2023-12-16 18:09:55,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2023-12-16 18:09:55,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2023-12-16 18:09:55,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2023-12-16 18:09:55,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2023-12-16 18:09:55,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2023-12-16 18:09:55,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2023-12-16 18:09:55,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2023-12-16 18:09:55,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2023-12-16 18:09:55,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2023-12-16 18:09:55,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2023-12-16 18:09:55,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2023-12-16 18:09:55,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#14 [2023-12-16 18:09:55,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#15 [2023-12-16 18:09:55,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#16 [2023-12-16 18:09:55,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#17 [2023-12-16 18:09:55,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#18 [2023-12-16 18:09:55,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-16 18:09:55,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-12-16 18:09:55,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-12-16 18:09:55,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-12-16 18:09:55,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-12-16 18:09:55,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-12-16 18:09:55,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-12-16 18:09:55,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-12-16 18:09:55,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2023-12-16 18:09:55,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2023-12-16 18:09:55,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2023-12-16 18:09:55,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2023-12-16 18:09:55,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2023-12-16 18:09:55,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2023-12-16 18:09:55,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2023-12-16 18:09:55,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2023-12-16 18:09:55,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2023-12-16 18:09:55,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16 [2023-12-16 18:09:55,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#17 [2023-12-16 18:09:55,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#18 [2023-12-16 18:09:55,250 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2023-12-16 18:09:55,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2023-12-16 18:09:55,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 18:09:55,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-12-16 18:09:55,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-12-16 18:09:55,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-12-16 18:09:55,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-12-16 18:09:55,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-12-16 18:09:55,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-12-16 18:09:55,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2023-12-16 18:09:55,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2023-12-16 18:09:55,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2023-12-16 18:09:55,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2023-12-16 18:09:55,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2023-12-16 18:09:55,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2023-12-16 18:09:55,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2023-12-16 18:09:55,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2023-12-16 18:09:55,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2023-12-16 18:09:55,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2023-12-16 18:09:55,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#17 [2023-12-16 18:09:55,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#18 [2023-12-16 18:09:55,252 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-12-16 18:09:55,252 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-12-16 18:09:55,252 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2023-12-16 18:09:55,252 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2023-12-16 18:09:55,252 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2023-12-16 18:09:55,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2023-12-16 18:09:55,252 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2023-12-16 18:09:55,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2023-12-16 18:09:55,252 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 18:09:55,252 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 18:09:55,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 18:09:55,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 18:09:55,253 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2023-12-16 18:09:55,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2023-12-16 18:09:55,253 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-12-16 18:09:55,253 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-12-16 18:09:55,253 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2023-12-16 18:09:55,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2023-12-16 18:09:55,253 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2023-12-16 18:09:55,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2023-12-16 18:09:55,739 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 18:09:55,742 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 18:10:41,997 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 18:10:42,161 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 18:10:42,161 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 18:10:42,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:10:42 BoogieIcfgContainer [2023-12-16 18:10:42,164 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 18:10:42,168 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 18:10:42,173 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 18:10:42,176 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 18:10:42,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 06:09:53" (1/3) ... [2023-12-16 18:10:42,177 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75f0ab0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:10:42, skipping insertion in model container [2023-12-16 18:10:42,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:09:54" (2/3) ... [2023-12-16 18:10:42,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75f0ab0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:10:42, skipping insertion in model container [2023-12-16 18:10:42,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:10:42" (3/3) ... [2023-12-16 18:10:42,181 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_aso.2.M4-1.c [2023-12-16 18:10:42,197 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 18:10:42,198 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 18:10:42,298 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 18:10:42,305 INFO L357 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, mHoare=true, 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;@5476a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 18:10:42,306 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 18:10:42,319 INFO L276 IsEmpty]: Start isEmpty. Operand has 2218 states, 1226 states have (on average 1.2267536704730833) internal successors, (1504), 1355 states have internal predecessors, (1504), 968 states have call successors, (968), 22 states have call predecessors, (968), 22 states have return successors, (968), 868 states have call predecessors, (968), 968 states have call successors, (968) [2023-12-16 18:10:42,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1331 [2023-12-16 18:10:42,400 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:10:42,402 INFO L195 NwaCegarLoop]: trace histogram [209, 209, 209, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:10:42,403 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:10:42,410 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:10:42,411 INFO L85 PathProgramCache]: Analyzing trace with hash -581234827, now seen corresponding path program 1 times [2023-12-16 18:10:42,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:10:42,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [970116180] [2023-12-16 18:10:42,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:10:42,429 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 18:10:42,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:10:42,432 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 18:10:42,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-16 18:10:52,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:10:52,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 2559 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 18:10:52,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:10:53,036 INFO L134 CoverageAnalysis]: Checked inductivity of 86944 backedges. 832 proven. 0 refuted. 0 times theorem prover too weak. 86112 trivial. 0 not checked. [2023-12-16 18:10:53,037 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:10:53,037 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:10:53,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [970116180] [2023-12-16 18:10:53,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [970116180] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:10:53,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:10:53,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 18:10:53,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131157632] [2023-12-16 18:10:53,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:10:53,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 18:10:53,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:10:53,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 18:10:53,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 18:10:53,082 INFO L87 Difference]: Start difference. First operand has 2218 states, 1226 states have (on average 1.2267536704730833) internal successors, (1504), 1355 states have internal predecessors, (1504), 968 states have call successors, (968), 22 states have call predecessors, (968), 22 states have return successors, (968), 868 states have call predecessors, (968), 968 states have call successors, (968) Second operand has 4 states, 4 states have (on average 71.25) internal successors, (285), 4 states have internal predecessors, (285), 3 states have call successors, (213), 3 states have call predecessors, (213), 2 states have return successors, (211), 2 states have call predecessors, (211), 3 states have call successors, (211) [2023-12-16 18:10:57,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-16 18:11:01,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] Received shutdown request... [2023-12-16 18:11:01,916 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 18:11:01,916 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 18:11:01,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:11:01,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1329 GetRequests, 1327 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 18:11:01,928 INFO L413 NwaCegarLoop]: 907 mSDtfsCounter, 45 mSDsluCounter, 1748 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 2655 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-12-16 18:11:01,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 2655 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 42 Invalid, 2 Unknown, 0 Unchecked, 8.7s Time] [2023-12-16 18:11:01,930 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 18:11:01,958 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-16 18:11:02,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 18:11:02,133 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (2218states) and FLOYD_HOARE automaton (currently 4 states, 4 states before enhancement),while ReachableStatesComputation was computing reachable states (1309 states constructed, input type IntersectNwa). [2023-12-16 18:11:02,136 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-16 18:11:02,138 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 18:11:02,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 06:11:02 BoogieIcfgContainer [2023-12-16 18:11:02,140 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 18:11:02,140 INFO L158 Benchmark]: Toolchain (without parser) took 68807.56ms. Allocated memory was 410.0MB in the beginning and 685.8MB in the end (delta: 275.8MB). Free memory was 357.5MB in the beginning and 503.6MB in the end (delta: -146.1MB). Peak memory consumption was 131.2MB. Max. memory is 8.0GB. [2023-12-16 18:11:02,141 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 229.6MB. Free memory is still 182.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 18:11:02,141 INFO L158 Benchmark]: CACSL2BoogieTranslator took 975.58ms. Allocated memory is still 410.0MB. Free memory was 357.5MB in the beginning and 321.3MB in the end (delta: 36.2MB). Peak memory consumption was 51.9MB. Max. memory is 8.0GB. [2023-12-16 18:11:02,142 INFO L158 Benchmark]: Boogie Procedure Inliner took 267.56ms. Allocated memory is still 410.0MB. Free memory was 321.3MB in the beginning and 284.6MB in the end (delta: 36.7MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. [2023-12-16 18:11:02,142 INFO L158 Benchmark]: Boogie Preprocessor took 527.31ms. Allocated memory is still 410.0MB. Free memory was 284.6MB in the beginning and 345.8MB in the end (delta: -61.2MB). Peak memory consumption was 49.4MB. Max. memory is 8.0GB. [2023-12-16 18:11:02,143 INFO L158 Benchmark]: RCFGBuilder took 47058.48ms. Allocated memory was 410.0MB in the beginning and 685.8MB in the end (delta: 275.8MB). Free memory was 345.8MB in the beginning and 496.3MB in the end (delta: -150.5MB). Peak memory consumption was 159.2MB. Max. memory is 8.0GB. [2023-12-16 18:11:02,143 INFO L158 Benchmark]: TraceAbstraction took 19971.47ms. Allocated memory is still 685.8MB. Free memory was 495.8MB in the beginning and 503.6MB in the end (delta: -7.9MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 18:11:02,145 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 229.6MB. Free memory is still 182.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 975.58ms. Allocated memory is still 410.0MB. Free memory was 357.5MB in the beginning and 321.3MB in the end (delta: 36.2MB). Peak memory consumption was 51.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 267.56ms. Allocated memory is still 410.0MB. Free memory was 321.3MB in the beginning and 284.6MB in the end (delta: 36.7MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 527.31ms. Allocated memory is still 410.0MB. Free memory was 284.6MB in the beginning and 345.8MB in the end (delta: -61.2MB). Peak memory consumption was 49.4MB. Max. memory is 8.0GB. * RCFGBuilder took 47058.48ms. Allocated memory was 410.0MB in the beginning and 685.8MB in the end (delta: 275.8MB). Free memory was 345.8MB in the beginning and 496.3MB in the end (delta: -150.5MB). Peak memory consumption was 159.2MB. Max. memory is 8.0GB. * TraceAbstraction took 19971.47ms. Allocated memory is still 685.8MB. Free memory was 495.8MB in the beginning and 503.6MB in the end (delta: -7.9MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 47]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.bug2.i","-S") [47] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 50). Cancelled while NwaCegarLoop was constructing difference of abstraction (2218states) and FLOYD_HOARE automaton (currently 4 states, 4 states before enhancement),while ReachableStatesComputation was computing reachable states (1309 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 2218 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.9s, OverallIterations: 1, TraceHistogramMax: 209, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 8.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 48 SdHoareTripleChecker+Valid, 8.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45 mSDsluCounter, 2655 SdHoareTripleChecker+Invalid, 8.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1748 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 907 mSDtfsCounter, 42 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1329 GetRequests, 1327 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2218occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 8.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1330 NumberOfCodeBlocks, 1330 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 1329 ConstructedInterpolants, 0 QuantifiedInterpolants, 1345 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2559 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 86944/86944 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown