/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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/rekh_ctm.2-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 04:29:26,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 04:29:26,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 04:29:26,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 04:29:26,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 04:29:26,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 04:29:26,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 04:29:26,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 04:29:26,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 04:29:26,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 04:29:26,234 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 04:29:26,236 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 04:29:26,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 04:29:26,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 04:29:26,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 04:29:26,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 04:29:26,243 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 04:29:26,243 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 04:29:26,244 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 04:29:26,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 04:29:26,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 04:29:26,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 04:29:26,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 04:29:26,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 04:29:26,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 04:29:26,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 04:29:26,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 04:29:26,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 04:29:26,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 04:29:26,269 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 04:29:26,269 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 04:29:26,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 04:29:26,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 04:29:26,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 04:29:26,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 04:29:26,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 04:29:26,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 04:29:26,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 04:29:26,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 04:29:26,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 04:29:26,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 04:29:26,276 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 [2020-10-15 04:29:26,299 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 04:29:26,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 04:29:26,301 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 04:29:26,301 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 04:29:26,301 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 04:29:26,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 04:29:26,302 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 04:29:26,302 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 04:29:26,302 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 04:29:26,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 04:29:26,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 04:29:26,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 04:29:26,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 04:29:26,303 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 04:29:26,303 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 04:29:26,303 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 04:29:26,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 04:29:26,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 04:29:26,304 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 04:29:26,304 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 04:29:26,304 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 04:29:26,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 04:29:26,305 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 04:29:26,305 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 04:29:26,305 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 04:29:26,305 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 04:29:26,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 04:29:26,306 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 04:29:26,306 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 04:29:26,306 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 04:29:26,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 04:29:26,603 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 04:29:26,606 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 04:29:26,608 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 04:29:26,608 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 04:29:26,609 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.2-1.c [2020-10-15 04:29:26,670 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/308d52a71/9ca3517340914a65b16364c21799dbca/FLAG54650e13a [2020-10-15 04:29:27,343 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 04:29:27,343 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.2-1.c [2020-10-15 04:29:27,367 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/308d52a71/9ca3517340914a65b16364c21799dbca/FLAG54650e13a [2020-10-15 04:29:27,486 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/308d52a71/9ca3517340914a65b16364c21799dbca [2020-10-15 04:29:27,495 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 04:29:27,496 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 04:29:27,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 04:29:27,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 04:29:27,500 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 04:29:27,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:29:27" (1/1) ... [2020-10-15 04:29:27,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a7ba94f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:29:27, skipping insertion in model container [2020-10-15 04:29:27,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:29:27" (1/1) ... [2020-10-15 04:29:27,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 04:29:27,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 04:29:28,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 04:29:28,691 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 04:29:28,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 04:29:29,126 INFO L208 MainTranslator]: Completed translation [2020-10-15 04:29:29,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:29:29 WrapperNode [2020-10-15 04:29:29,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 04:29:29,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 04:29:29,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 04:29:29,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 04:29:29,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:29:29" (1/1) ... [2020-10-15 04:29:29,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:29:29" (1/1) ... [2020-10-15 04:29:29,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:29:29" (1/1) ... [2020-10-15 04:29:29,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:29:29" (1/1) ... [2020-10-15 04:29:29,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:29:29" (1/1) ... [2020-10-15 04:29:29,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:29:29" (1/1) ... [2020-10-15 04:29:29,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:29:29" (1/1) ... [2020-10-15 04:29:29,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 04:29:29,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 04:29:29,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 04:29:29,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 04:29:29,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:29:29" (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 [2020-10-15 04:29:29,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 04:29:29,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 04:29:29,573 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-15 04:29:29,573 INFO L138 BoogieDeclarations]: Found implementation of procedure calibrate [2020-10-15 04:29:29,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2020-10-15 04:29:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-15 04:29:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2020-10-15 04:29:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_is_ENTER_button_pressed [2020-10-15 04:29:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2020-10-15 04:29:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2020-10-15 04:29:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2020-10-15 04:29:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_light [2020-10-15 04:29:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2020-10-15 04:29:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure transition [2020-10-15 04:29:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-15 04:29:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2020-10-15 04:29:29,576 INFO L138 BoogieDeclarations]: Found implementation of procedure Controller [2020-10-15 04:29:29,576 INFO L138 BoogieDeclarations]: Found implementation of procedure Reader [2020-10-15 04:29:29,576 INFO L138 BoogieDeclarations]: Found implementation of procedure Writer [2020-10-15 04:29:29,576 INFO L138 BoogieDeclarations]: Found implementation of procedure TapeMover [2020-10-15 04:29:29,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2020-10-15 04:29:29,577 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperController [2020-10-15 04:29:29,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2020-10-15 04:29:29,577 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperTapeMover [2020-10-15 04:29:29,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2020-10-15 04:29:29,577 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperReader [2020-10-15 04:29:29,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2020-10-15 04:29:29,578 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperWriter [2020-10-15 04:29:29,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2020-10-15 04:29:29,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2020-10-15 04:29:29,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2020-10-15 04:29:29,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2020-10-15 04:29:29,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2020-10-15 04:29:29,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2020-10-15 04:29:29,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2020-10-15 04:29:29,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2020-10-15 04:29:29,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2020-10-15 04:29:29,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2020-10-15 04:29:29,579 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 04:29:29,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2020-10-15 04:29:29,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2020-10-15 04:29:29,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2020-10-15 04:29:29,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2020-10-15 04:29:29,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2020-10-15 04:29:29,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2020-10-15 04:29:29,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2020-10-15 04:29:29,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-15 04:29:29,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2020-10-15 04:29:29,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2020-10-15 04:29:29,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2020-10-15 04:29:29,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_dir [2020-10-15 04:29:29,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_read [2020-10-15 04:29:29,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2020-10-15 04:29:29,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2020-10-15 04:29:29,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2020-10-15 04:29:29,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2020-10-15 04:29:29,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2020-10-15 04:29:29,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Controller [2020-10-15 04:29:29,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-15 04:29:29,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Reader [2020-10-15 04:29:29,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Writer [2020-10-15 04:29:29,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2020-10-15 04:29:29,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2020-10-15 04:29:29,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_speed [2020-10-15 04:29:29,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2020-10-15 04:29:29,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_speed [2020-10-15 04:29:29,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2020-10-15 04:29:29,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_speed [2020-10-15 04:29:29,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-15 04:29:29,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_mode [2020-10-15 04:29:29,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2020-10-15 04:29:29,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2020-10-15 04:29:29,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2020-10-15 04:29:29,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2020-10-15 04:29:29,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2020-10-15 04:29:29,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_threshold [2020-10-15 04:29:29,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2020-10-15 04:29:29,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2020-10-15 04:29:29,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2020-10-15 04:29:29,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Controller [2020-10-15 04:29:29,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-15 04:29:29,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Reader [2020-10-15 04:29:29,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Writer [2020-10-15 04:29:29,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2020-10-15 04:29:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 04:29:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2020-10-15 04:29:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2020-10-15 04:29:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2020-10-15 04:29:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2020-10-15 04:29:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2020-10-15 04:29:29,588 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2020-10-15 04:29:29,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-15 04:29:29,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-15 04:29:29,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 04:29:29,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-15 04:29:29,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-15 04:29:29,588 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2020-10-15 04:29:29,589 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2020-10-15 04:29:29,589 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 04:29:29,589 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-15 04:29:29,589 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2020-10-15 04:29:29,589 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2020-10-15 04:29:29,589 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2020-10-15 04:29:29,589 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2020-10-15 04:29:29,590 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2020-10-15 04:29:29,590 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_speed [2020-10-15 04:29:29,590 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2020-10-15 04:29:29,590 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2020-10-15 04:29:29,590 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2020-10-15 04:29:29,590 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_speed [2020-10-15 04:29:29,591 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2020-10-15 04:29:29,591 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2020-10-15 04:29:29,591 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2020-10-15 04:29:29,591 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_speed [2020-10-15 04:29:29,591 INFO L130 BoogieDeclarations]: Found specification of procedure calibrate [2020-10-15 04:29:29,591 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-15 04:29:29,591 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-15 04:29:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2020-10-15 04:29:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_mode [2020-10-15 04:29:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2020-10-15 04:29:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-15 04:29:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2020-10-15 04:29:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_is_ENTER_button_pressed [2020-10-15 04:29:29,593 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2020-10-15 04:29:29,593 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2020-10-15 04:29:29,593 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2020-10-15 04:29:29,593 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_light [2020-10-15 04:29:29,593 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2020-10-15 04:29:29,593 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2020-10-15 04:29:29,593 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2020-10-15 04:29:29,594 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2020-10-15 04:29:29,594 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2020-10-15 04:29:29,594 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_dir [2020-10-15 04:29:29,594 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2020-10-15 04:29:29,594 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_read [2020-10-15 04:29:29,594 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2020-10-15 04:29:29,595 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2020-10-15 04:29:29,595 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2020-10-15 04:29:29,595 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2020-10-15 04:29:29,595 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_threshold [2020-10-15 04:29:29,595 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2020-10-15 04:29:29,595 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2020-10-15 04:29:29,595 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2020-10-15 04:29:29,601 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2020-10-15 04:29:29,601 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2020-10-15 04:29:29,601 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2020-10-15 04:29:29,602 INFO L130 BoogieDeclarations]: Found specification of procedure transition [2020-10-15 04:29:29,602 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-15 04:29:29,602 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2020-10-15 04:29:29,602 INFO L130 BoogieDeclarations]: Found specification of procedure Controller [2020-10-15 04:29:29,602 INFO L130 BoogieDeclarations]: Found specification of procedure Reader [2020-10-15 04:29:29,602 INFO L130 BoogieDeclarations]: Found specification of procedure Writer [2020-10-15 04:29:29,602 INFO L130 BoogieDeclarations]: Found specification of procedure TapeMover [2020-10-15 04:29:29,603 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Controller [2020-10-15 04:29:29,603 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Controller [2020-10-15 04:29:29,603 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2020-10-15 04:29:29,603 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperController [2020-10-15 04:29:29,603 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-15 04:29:29,604 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-15 04:29:29,604 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2020-10-15 04:29:29,604 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperTapeMover [2020-10-15 04:29:29,605 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Reader [2020-10-15 04:29:29,605 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Reader [2020-10-15 04:29:29,605 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2020-10-15 04:29:29,605 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperReader [2020-10-15 04:29:29,605 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Writer [2020-10-15 04:29:29,605 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Writer [2020-10-15 04:29:29,605 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2020-10-15 04:29:29,606 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperWriter [2020-10-15 04:29:29,606 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2020-10-15 04:29:29,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 04:29:29,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 04:29:29,606 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2020-10-15 04:29:29,606 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2020-10-15 04:29:29,607 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2020-10-15 04:29:29,607 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2020-10-15 04:29:29,607 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 04:29:29,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 04:29:29,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 04:29:29,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 04:29:29,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 04:29:29,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 04:29:46,490 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 04:29:46,490 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-15 04:29:46,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:29:46 BoogieIcfgContainer [2020-10-15 04:29:46,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 04:29:46,507 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 04:29:46,507 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 04:29:46,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 04:29:46,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 04:29:27" (1/3) ... [2020-10-15 04:29:46,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b32e917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:29:46, skipping insertion in model container [2020-10-15 04:29:46,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:29:29" (2/3) ... [2020-10-15 04:29:46,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b32e917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:29:46, skipping insertion in model container [2020-10-15 04:29:46,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:29:46" (3/3) ... [2020-10-15 04:29:46,514 INFO L109 eAbstractionObserver]: Analyzing ICFG rekh_ctm.2-1.c [2020-10-15 04:29:46,524 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 04:29:46,533 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 04:29:46,545 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 04:29:46,574 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 04:29:46,574 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 04:29:46,574 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 04:29:46,574 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 04:29:46,574 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 04:29:46,575 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 04:29:46,575 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 04:29:46,575 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 04:29:46,631 INFO L276 IsEmpty]: Start isEmpty. Operand 2578 states. [2020-10-15 04:29:46,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-15 04:29:46,661 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:29:46,662 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:29:46,662 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:29:46,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:29:46,668 INFO L82 PathProgramCache]: Analyzing trace with hash 187335920, now seen corresponding path program 1 times [2020-10-15 04:29:46,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:29:46,677 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [331608547] [2020-10-15 04:29:46,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:29:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:29:47,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:29:47,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:29:47,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:29:47,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:29:48,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:29:48,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:29:48,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:29:48,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:29:48,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:29:48,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:29:48,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:29:48,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:29:49,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:02,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:30:02,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-15 04:30:02,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-15 04:30:02,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14715 [2020-10-15 04:30:02,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:30:02,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:30:02,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:30:02,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-15 04:30:02,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:30:02,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-15 04:30:03,899 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 481 [2020-10-15 04:30:03,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:30:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:30:03,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:04,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:30:04,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:30:04,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:30:04,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-15 04:30:04,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:30:04,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:30:04,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:30:04,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:30:04,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:30:04,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:30:04,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 04:30:04,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:30:04,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:04,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:30:04,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:30:04,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:30:04,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:30:04,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:30:04,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:30:04,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:30:04,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:30:04,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:30:04,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:30:04,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 04:30:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:30:04,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:04,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:30:04,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:30:04,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:30:04,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:30:04,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:30:04,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:30:04,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:30:04,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:30:04,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:30:04,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:30:04,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-15 04:30:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:30:04,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:04,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:04,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:04,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:04,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:04,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:04,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:04,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:04,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:04,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:04,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:04,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:04,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:04,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:04,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:04,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:04,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:04,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:04,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:04,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:04,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:04,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:04,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:04,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:04,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:05,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:05,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:05,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:05,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:05,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:05,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:05,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:05,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:05,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:05,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:05,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:05,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:05,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:05,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:05,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:06,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:06,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:06,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:30:06,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-15 04:30:06,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 42 [2020-10-15 04:30:06,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2618 [2020-10-15 04:30:06,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:30:06,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:30:06,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:30:06,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-15 04:30:06,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:30:06,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:30:06,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-15 04:30:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:30:06,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:08,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:30:08,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:30:08,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:30:08,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1245 [2020-10-15 04:30:08,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:30:08,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:30:08,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:30:08,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:30:08,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:30:08,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:30:08,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-15 04:30:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:30:08,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:08,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:08,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:30:08,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 04:30:08,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:30:08,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 04:30:08,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:30:08,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:30:08,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:30:08,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-15 04:30:08,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:30:08,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:30:08,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:30:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:30:08,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:30:08,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:30:08,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 04:30:08,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:30:08,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:30:08,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:30:08,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:30:08,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:30:08,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:30:08,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:30:08,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:30:08,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:30:08,423 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [331608547] [2020-10-15 04:30:08,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:30:08,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 04:30:08,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560078642] [2020-10-15 04:30:08,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 04:30:08,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:30:08,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 04:30:08,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-15 04:30:08,455 INFO L87 Difference]: Start difference. First operand 2578 states. Second operand 6 states. [2020-10-15 04:30:09,975 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 484 [2020-10-15 04:31:15,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:31:15,296 INFO L93 Difference]: Finished difference Result 5971 states and 9802 transitions. [2020-10-15 04:31:15,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-15 04:31:15,299 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2020-10-15 04:31:15,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:31:15,350 INFO L225 Difference]: With dead ends: 5971 [2020-10-15 04:31:15,351 INFO L226 Difference]: Without dead ends: 3403 [2020-10-15 04:31:15,383 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-15 04:31:15,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3403 states. [2020-10-15 04:31:15,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3403 to 2550. [2020-10-15 04:31:15,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2550 states. [2020-10-15 04:31:15,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2550 states to 2550 states and 3126 transitions. [2020-10-15 04:31:15,968 INFO L78 Accepts]: Start accepts. Automaton has 2550 states and 3126 transitions. Word has length 163 [2020-10-15 04:31:15,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:31:15,969 INFO L479 AbstractCegarLoop]: Abstraction has 2550 states and 3126 transitions. [2020-10-15 04:31:15,969 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 04:31:15,969 INFO L276 IsEmpty]: Start isEmpty. Operand 2550 states and 3126 transitions. [2020-10-15 04:31:15,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-15 04:31:15,980 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:31:15,981 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:31:15,981 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 04:31:15,981 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:31:15,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:31:15,982 INFO L82 PathProgramCache]: Analyzing trace with hash -459862331, now seen corresponding path program 1 times [2020-10-15 04:31:15,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:31:15,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1724475322] [2020-10-15 04:31:15,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:31:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:31:16,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:16,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:31:39,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:32:00,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:32:00,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-15 04:32:00,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:32:00,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43786 [2020-10-15 04:32:00,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:32:00,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:32:00,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:32:00,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-15 04:32:00,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-15 04:32:00,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:32:01,251 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 481 [2020-10-15 04:32:01,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:32:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:32:01,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:32:01,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:32:01,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:32:01,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:32:01,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-15 04:32:01,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:32:01,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:32:01,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:32:01,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:32:01,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:32:01,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:32:01,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 04:32:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:32:01,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:32:01,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:32:01,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:32:01,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:32:01,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:32:01,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:32:01,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:32:01,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:32:01,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:32:01,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:32:01,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:32:01,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 04:32:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:32:01,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:32:01,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:32:01,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:32:01,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:32:01,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:32:01,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:32:01,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:32:01,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:32:01,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:32:01,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:32:01,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:32:01,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-15 04:32:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:32:01,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:32:01,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:32:02,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:32:06,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:32:06,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-15 04:32:06,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:32:06,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5165 [2020-10-15 04:32:06,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:32:06,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:32:06,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 04:32:06,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-15 04:32:06,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-15 04:32:06,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:32:09,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-15 04:32:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:32:09,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:32:10,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:32:10,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:32:10,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:32:10,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 646 [2020-10-15 04:32:10,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:32:10,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:32:10,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:32:10,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:32:10,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:32:10,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:32:10,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-15 04:32:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:32:10,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:32:10,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:32:10,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:32:10,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:32:10,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:32:10,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:32:15,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:32:15,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-15 04:32:15,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 04:32:15,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-15 04:32:15,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:32:15,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:32:15,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:32:15,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 04:32:15,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-15 04:32:15,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:32:15,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:32:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:32:15,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:32:15,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:32:15,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 04:32:15,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:32:15,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 04:32:15,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:32:15,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:32:15,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 04:32:15,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:32:15,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 04:32:15,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:32:15,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:32:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:32:15,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:32:15,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:32:15,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:32:15,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 04:32:15,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:32:15,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 04:32:15,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:32:15,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:32:15,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:32:15,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:32:15,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 04:32:15,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:32:15,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 04:32:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:32:15,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:32:15,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:32:15,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:32:15,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:32:15,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-15 04:32:15,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:32:15,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-15 04:32:15,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:32:15,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:32:15,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:32:15,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:32:15,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-15 04:32:15,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:32:15,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:32:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:32:15,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:32:15,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:32:15,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 04:32:15,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:32:15,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:32:15,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:32:15,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:32:15,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:32:15,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:32:15,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:32:15,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:32:15,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:32:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:32:15,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:32:15,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:32:15,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 04:32:15,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:32:15,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:32:15,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:32:15,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:32:15,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:32:15,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:32:15,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:32:15,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:32:15,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 04:32:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:32:15,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:32:15,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:32:15,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:32:15,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:32:15,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:32:15,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:32:15,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:32:15,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:32:15,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:32:15,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:32:15,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:32:15,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-15 04:32:15,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:32:15,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:32:15,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:32:16,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:32:16,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 04:32:16,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:32:16,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 04:32:16,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:32:16,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:32:16,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:32:16,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:32:16,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 04:32:16,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:32:16,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-15 04:32:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:32:16,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:32:16,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:32:16,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:32:16,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 04:32:16,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:32:16,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 04:32:16,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:32:16,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:32:16,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:32:16,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:32:16,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 04:32:16,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:32:16,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-15 04:32:16,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:32:16,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:32:16,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:32:16,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 04:32:16,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:32:16,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 04:32:16,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:32:16,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:32:16,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 04:32:16,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 04:32:16,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 04:32:16,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:32:16,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 04:32:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:32:16,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:32:16,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:32:16,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 04:32:16,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:32:16,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:32:16,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:32:16,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:32:16,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:32:16,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:32:16,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:32:16,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:32:16,569 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-15 04:32:16,569 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1724475322] [2020-10-15 04:32:16,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:32:16,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2020-10-15 04:32:16,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553623715] [2020-10-15 04:32:16,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-15 04:32:16,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:32:16,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-15 04:32:16,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=372, Unknown=1, NotChecked=0, Total=420 [2020-10-15 04:32:16,573 INFO L87 Difference]: Start difference. First operand 2550 states and 3126 transitions. Second operand 21 states. [2020-10-15 04:32:18,117 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 484 [2020-10-15 04:32:22,589 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 512 [2020-10-15 04:32:26,002 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 485 [2020-10-15 04:32:27,794 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 488 [2020-10-15 04:32:33,464 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 493 [2020-10-15 04:32:35,252 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 498 [2020-10-15 04:32:37,261 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 510 [2020-10-15 04:32:39,227 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 507 [2020-10-15 04:32:41,662 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 519 [2020-10-15 04:32:47,933 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 523 [2020-10-15 04:32:58,428 WARN L193 SmtUtils]: Spent 6.00 s on a formula simplification that was a NOOP. DAG size: 520