/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/rekcba_aso.3.M1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 20:34:20,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 20:34:20,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 20:34:21,036 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 20:34:21,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 20:34:21,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 20:34:21,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 20:34:21,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 20:34:21,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 20:34:21,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 20:34:21,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 20:34:21,060 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 20:34:21,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 20:34:21,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 20:34:21,067 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 20:34:21,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 20:34:21,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 20:34:21,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 20:34:21,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 20:34:21,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 20:34:21,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 20:34:21,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 20:34:21,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 20:34:21,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 20:34:21,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 20:34:21,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 20:34:21,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 20:34:21,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 20:34:21,109 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 20:34:21,110 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 20:34:21,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 20:34:21,111 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 20:34:21,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 20:34:21,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 20:34:21,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 20:34:21,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 20:34:21,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 20:34:21,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 20:34:21,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 20:34:21,119 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 20:34:21,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 20:34:21,120 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 20:34:21,161 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 20:34:21,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 20:34:21,163 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 20:34:21,163 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 20:34:21,163 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 20:34:21,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 20:34:21,164 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 20:34:21,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 20:34:21,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 20:34:21,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 20:34:21,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 20:34:21,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 20:34:21,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 20:34:21,166 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 20:34:21,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 20:34:21,167 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 20:34:21,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 20:34:21,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 20:34:21,167 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 20:34:21,167 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 20:34:21,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 20:34:21,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 20:34:21,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 20:34:21,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 20:34:21,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 20:34:21,169 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 20:34:21,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 20:34:21,169 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 20:34:21,169 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 20:34:21,170 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 20:34:21,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 20:34:21,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 20:34:21,518 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 20:34:21,520 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 20:34:21,520 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 20:34:21,521 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_aso.3.M1.c [2020-10-12 20:34:21,588 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5416a538c/a89aad04d5854cfcbfaa33c95a7024a6/FLAG2b6b14e10 [2020-10-12 20:34:22,227 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 20:34:22,228 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/rekcba_aso.3.M1.c [2020-10-12 20:34:22,259 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5416a538c/a89aad04d5854cfcbfaa33c95a7024a6/FLAG2b6b14e10 [2020-10-12 20:34:22,449 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5416a538c/a89aad04d5854cfcbfaa33c95a7024a6 [2020-10-12 20:34:22,459 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 20:34:22,461 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 20:34:22,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 20:34:22,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 20:34:22,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 20:34:22,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 08:34:22" (1/1) ... [2020-10-12 20:34:22,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63f67a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:34:22, skipping insertion in model container [2020-10-12 20:34:22,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 08:34:22" (1/1) ... [2020-10-12 20:34:22,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 20:34:22,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 20:34:23,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 20:34:23,470 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 20:34:23,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 20:34:23,902 INFO L208 MainTranslator]: Completed translation [2020-10-12 20:34:23,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:34:23 WrapperNode [2020-10-12 20:34:23,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 20:34:23,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 20:34:23,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 20:34:23,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 20:34:23,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:34:23" (1/1) ... [2020-10-12 20:34:23,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:34:23" (1/1) ... [2020-10-12 20:34:24,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:34:23" (1/1) ... [2020-10-12 20:34:24,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:34:23" (1/1) ... [2020-10-12 20:34:24,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:34:23" (1/1) ... [2020-10-12 20:34:24,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:34:23" (1/1) ... [2020-10-12 20:34:24,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:34:23" (1/1) ... [2020-10-12 20:34:24,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 20:34:24,291 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 20:34:24,291 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 20:34:24,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 20:34:24,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:34:23" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 20:34:24,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 20:34:24,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 20:34:24,382 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-12 20:34:24,382 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-12 20:34:24,382 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2020-10-12 20:34:24,383 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2020-10-12 20:34:24,383 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2020-10-12 20:34:24,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2020-10-12 20:34:24,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2020-10-12 20:34:24,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2020-10-12 20:34:24,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2020-10-12 20:34:24,385 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2020-10-12 20:34:24,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2020-10-12 20:34:24,385 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2020-10-12 20:34:24,385 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts3 [2020-10-12 20:34:24,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2020-10-12 20:34:24,386 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts3 [2020-10-12 20:34:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2020-10-12 20:34:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2020-10-12 20:34:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2020-10-12 20:34:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2020-10-12 20:34:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2020-10-12 20:34:24,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2020-10-12 20:34:24,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2020-10-12 20:34:24,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2020-10-12 20:34:24,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2020-10-12 20:34:24,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2020-10-12 20:34:24,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assumptions [2020-10-12 20:34:24,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2020-10-12 20:34:24,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2020-10-12 20:34:24,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assertions [2020-10-12 20:34:24,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2020-10-12 20:34:24,390 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 20:34:24,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2020-10-12 20:34:24,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2020-10-12 20:34:24,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2020-10-12 20:34:24,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2020-10-12 20:34:24,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2020-10-12 20:34:24,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_version [2020-10-12 20:34:24,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_OSEK_Task_ts2 [2020-10-12 20:34:24,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_OSEK_Task_ts1 [2020-10-12 20:34:24,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2020-10-12 20:34:24,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2020-10-12 20:34:24,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2020-10-12 20:34:24,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2020-10-12 20:34:24,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2020-10-12 20:34:24,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_version [2020-10-12 20:34:24,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_OSEK_Task_ts2 [2020-10-12 20:34:24,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_OSEK_Task_ts1 [2020-10-12 20:34:24,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2020-10-12 20:34:24,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_get_pi_lock [2020-10-12 20:34:24,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_release_pi_lock [2020-10-12 20:34:24,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2020-10-12 20:34:24,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2020-10-12 20:34:24,396 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2020-10-12 20:34:24,396 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2020-10-12 20:34:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 20:34:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2020-10-12 20:34:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2020-10-12 20:34:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2020-10-12 20:34:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2020-10-12 20:34:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2020-10-12 20:34:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-12 20:34:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-12 20:34:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-12 20:34:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 20:34:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2020-10-12 20:34:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2020-10-12 20:34:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-12 20:34:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-12 20:34:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-12 20:34:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_get_pi_lock [2020-10-12 20:34:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_release_pi_lock [2020-10-12 20:34:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2020-10-12 20:34:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2020-10-12 20:34:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2020-10-12 20:34:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2020-10-12 20:34:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 20:34:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 20:34:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 20:34:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 20:34:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-12 20:34:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2020-10-12 20:34:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2020-10-12 20:34:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2020-10-12 20:34:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2020-10-12 20:34:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2020-10-12 20:34:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2020-10-12 20:34:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2020-10-12 20:34:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2020-10-12 20:34:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_version [2020-10-12 20:34:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_version [2020-10-12 20:34:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2020-10-12 20:34:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2020-10-12 20:34:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2020-10-12 20:34:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2020-10-12 20:34:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2020-10-12 20:34:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2020-10-12 20:34:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2020-10-12 20:34:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2020-10-12 20:34:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2020-10-12 20:34:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2020-10-12 20:34:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2020-10-12 20:34:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2020-10-12 20:34:24,411 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts3 [2020-10-12 20:34:24,411 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2020-10-12 20:34:24,411 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts3 [2020-10-12 20:34:24,411 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_OSEK_Task_ts2 [2020-10-12 20:34:24,411 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_OSEK_Task_ts2 [2020-10-12 20:34:24,411 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2020-10-12 20:34:24,411 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2020-10-12 20:34:24,411 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_OSEK_Task_ts1 [2020-10-12 20:34:24,411 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_OSEK_Task_ts1 [2020-10-12 20:34:24,411 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2020-10-12 20:34:24,412 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2020-10-12 20:34:24,412 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2020-10-12 20:34:24,412 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2020-10-12 20:34:24,415 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assumptions [2020-10-12 20:34:24,415 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2020-10-12 20:34:24,417 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2020-10-12 20:34:24,417 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assertions [2020-10-12 20:34:24,417 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2020-10-12 20:34:24,418 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 20:34:24,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 20:34:24,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 20:34:24,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 20:34:35,490 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 20:34:35,493 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 20:34:35,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:34:35 BoogieIcfgContainer [2020-10-12 20:34:35,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 20:34:35,511 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 20:34:35,511 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 20:34:35,515 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 20:34:35,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 08:34:22" (1/3) ... [2020-10-12 20:34:35,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4feb00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:34:35, skipping insertion in model container [2020-10-12 20:34:35,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:34:23" (2/3) ... [2020-10-12 20:34:35,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4feb00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:34:35, skipping insertion in model container [2020-10-12 20:34:35,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:34:35" (3/3) ... [2020-10-12 20:34:35,520 INFO L109 eAbstractionObserver]: Analyzing ICFG rekcba_aso.3.M1.c [2020-10-12 20:34:35,532 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 20:34:35,543 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 20:34:35,559 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 20:34:35,594 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 20:34:35,603 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 20:34:35,604 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 20:34:35,604 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 20:34:35,604 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 20:34:35,604 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 20:34:35,604 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 20:34:35,605 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 20:34:35,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states. [2020-10-12 20:34:35,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1682 [2020-10-12 20:34:35,902 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:34:35,905 INFO L422 BasicCegarLoop]: trace histogram [241, 241, 241, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:34:35,906 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:34:35,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:34:35,916 INFO L82 PathProgramCache]: Analyzing trace with hash -257169955, now seen corresponding path program 1 times [2020-10-12 20:34:35,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:34:35,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [872615772] [2020-10-12 20:34:35,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:35:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:36:18,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking...