/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/rekh_aso.3.M1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:59:20,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:59:20,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:59:20,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:59:20,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:59:20,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:59:20,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:59:20,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:59:20,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:59:20,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:59:20,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:59:20,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:59:20,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:59:20,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:59:20,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:59:20,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:59:20,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:59:20,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:59:20,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:59:20,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:59:20,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:59:20,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:59:20,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:59:20,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:59:20,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 06:59:20,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:59:20,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:59:20,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:59:20,130 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-01-10 06:59:20,149 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:59:20,149 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:59:20,149 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:59:20,149 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:59:20,149 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:59:20,149 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:59:20,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:59:20,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:59:20,150 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:59:20,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:59:20,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:59:20,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:59:20,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:59:20,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:59:20,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:59:20,151 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:59:20,151 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:59:20,151 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:59:20,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:59:20,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:59:20,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:59:20,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:59:20,154 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:59:20,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:59:20,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:59:20,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:59:20,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:59:20,156 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:59:20,156 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:59:20,156 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:59:20,156 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:59:20,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:59:20,157 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:59:20,157 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:59:20,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:59:20,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:59:20,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:59:20,367 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:59:20,368 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:59:20,368 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_aso.3.M1.c [2022-01-10 06:59:20,443 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/783b6afae/3a12156bc04c4277b49af2b853796766/FLAG17e2cc964 [2022-01-10 06:59:20,922 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:59:20,923 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_aso.3.M1.c [2022-01-10 06:59:20,958 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/783b6afae/3a12156bc04c4277b49af2b853796766/FLAG17e2cc964 [2022-01-10 06:59:21,227 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/783b6afae/3a12156bc04c4277b49af2b853796766 [2022-01-10 06:59:21,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:59:21,232 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:59:21,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:59:21,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:59:21,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:59:21,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:59:21" (1/1) ... [2022-01-10 06:59:21,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@559f3f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:21, skipping insertion in model container [2022-01-10 06:59:21,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:59:21" (1/1) ... [2022-01-10 06:59:21,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:59:21,381 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:59:21,555 WARN L230 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.3.M1.c[1806,1819] [2022-01-10 06:59:21,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:59:21,926 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:59:21,945 WARN L230 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.3.M1.c[1806,1819] [2022-01-10 06:59:22,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:59:22,268 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:59:22,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:22 WrapperNode [2022-01-10 06:59:22,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:59:22,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:59:22,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:59:22,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:59:22,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:22" (1/1) ... [2022-01-10 06:59:22,358 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:22" (1/1) ... [2022-01-10 06:59:22,719 INFO L137 Inliner]: procedures = 73, calls = 5730, calls flagged for inlining = 25, calls inlined = 25, statements flattened = 10089 [2022-01-10 06:59:22,719 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:59:22,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:59:22,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:59:22,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:59:22,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:22" (1/1) ... [2022-01-10 06:59:22,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:22" (1/1) ... [2022-01-10 06:59:22,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:22" (1/1) ... [2022-01-10 06:59:22,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:22" (1/1) ... [2022-01-10 06:59:23,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:22" (1/1) ... [2022-01-10 06:59:23,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:22" (1/1) ... [2022-01-10 06:59:23,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:22" (1/1) ... [2022-01-10 06:59:23,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:59:23,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:59:23,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:59:23,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:59:23,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:22" (1/1) ... [2022-01-10 06:59:23,166 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:59:23,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:59:23,219 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-10 06:59:23,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-10 06:59:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:59:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2022-01-10 06:59:23,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2022-01-10 06:59:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-01-10 06:59:23,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-01-10 06:59:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-01-10 06:59:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-01-10 06:59:23,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-01-10 06:59:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-10 06:59:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-01-10 06:59:23,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-01-10 06:59:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-01-10 06:59:23,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-01-10 06:59:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-01-10 06:59:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-01-10 06:59:23,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-01-10 06:59:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-01-10 06:59:23,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-01-10 06:59:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-01-10 06:59:23,263 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-01-10 06:59:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_version [2022-01-10 06:59:23,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_version [2022-01-10 06:59:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-01-10 06:59:23,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-01-10 06:59:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2022-01-10 06:59:23,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2022-01-10 06:59:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-01-10 06:59:23,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-01-10 06:59:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-01-10 06:59:23,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-01-10 06:59:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_version [2022-01-10 06:59:23,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_version [2022-01-10 06:59:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-01-10 06:59:23,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-01-10 06:59:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-01-10 06:59:23,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-01-10 06:59:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-01-10 06:59:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-10 06:59:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-01-10 06:59:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:59:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-01-10 06:59:23,264 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-01-10 06:59:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-01-10 06:59:23,265 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-01-10 06:59:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2022-01-10 06:59:23,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2022-01-10 06:59:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2022-01-10 06:59:23,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2022-01-10 06:59:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-01-10 06:59:23,266 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-01-10 06:59:23,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:59:23,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:59:23,266 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-01-10 06:59:23,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-01-10 06:59:23,266 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-01-10 06:59:23,266 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-01-10 06:59:23,267 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-01-10 06:59:23,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-01-10 06:59:23,267 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2022-01-10 06:59:23,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2022-01-10 06:59:24,072 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:59:24,074 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:59:49,576 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:59:49,596 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:59:49,596 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 06:59:49,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:59:49 BoogieIcfgContainer [2022-01-10 06:59:49,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:59:49,601 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:59:49,601 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:59:49,604 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:59:49,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:59:21" (1/3) ... [2022-01-10 06:59:49,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3248346e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:59:49, skipping insertion in model container [2022-01-10 06:59:49,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:22" (2/3) ... [2022-01-10 06:59:49,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3248346e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:59:49, skipping insertion in model container [2022-01-10 06:59:49,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:59:49" (3/3) ... [2022-01-10 06:59:49,605 INFO L111 eAbstractionObserver]: Analyzing ICFG rekh_aso.3.M1.c [2022-01-10 06:59:49,609 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:59:49,609 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:59:49,666 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:59:49,670 INFO L339 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=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 06:59:49,670 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:59:49,735 INFO L276 IsEmpty]: Start isEmpty. Operand has 3583 states, 2047 states have (on average 1.1656082071323888) internal successors, (2386), 2052 states have internal predecessors, (2386), 1509 states have call successors, (1509), 25 states have call predecessors, (1509), 25 states have return successors, (1509), 1507 states have call predecessors, (1509), 1509 states have call successors, (1509) [2022-01-10 06:59:49,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1377 [2022-01-10 06:59:49,789 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:59:49,791 INFO L514 BasicCegarLoop]: trace histogram [210, 210, 210, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:59:49,792 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:59:49,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:59:49,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1031046555, now seen corresponding path program 1 times [2022-01-10 06:59:49,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:59:49,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1874554359] [2022-01-10 06:59:49,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:59:49,812 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:59:49,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:59:49,814 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:59:49,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process