/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/rekh_ctm.2-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 20:43:19,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 20:43:19,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 20:43:19,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 20:43:19,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 20:43:19,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 20:43:19,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 20:43:19,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 20:43:19,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 20:43:19,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 20:43:19,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 20:43:19,177 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 20:43:19,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 20:43:19,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 20:43:19,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 20:43:19,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 20:43:19,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 20:43:19,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 20:43:19,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 20:43:19,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 20:43:19,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 20:43:19,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 20:43:19,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 20:43:19,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 20:43:19,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 20:43:19,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 20:43:19,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 20:43:19,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 20:43:19,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 20:43:19,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 20:43:19,219 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 20:43:19,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 20:43:19,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 20:43:19,223 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 20:43:19,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 20:43:19,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 20:43:19,224 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 20:43:19,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 20:43:19,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 20:43:19,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 20:43:19,228 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 20:43:19,229 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 20:43:19,263 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 20:43:19,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 20:43:19,265 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 20:43:19,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 20:43:19,265 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 20:43:19,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 20:43:19,266 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 20:43:19,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 20:43:19,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 20:43:19,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 20:43:19,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 20:43:19,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 20:43:19,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 20:43:19,268 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 20:43:19,268 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 20:43:19,269 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 20:43:19,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 20:43:19,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 20:43:19,269 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 20:43:19,269 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 20:43:19,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 20:43:19,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 20:43:19,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 20:43:19,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 20:43:19,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 20:43:19,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 20:43:19,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 20:43:19,271 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 20:43:19,271 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 20:43:19,271 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 20:43:19,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 20:43:19,595 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 20:43:19,599 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 20:43:19,600 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 20:43:19,600 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 20:43:19,601 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.2-1.c [2020-10-12 20:43:19,653 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/43762932c/efb2b9e61e5745cf81f2642858d53d5c/FLAG9ee2061ab [2020-10-12 20:43:20,317 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 20:43:20,318 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.2-1.c [2020-10-12 20:43:20,340 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/43762932c/efb2b9e61e5745cf81f2642858d53d5c/FLAG9ee2061ab [2020-10-12 20:43:20,420 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/43762932c/efb2b9e61e5745cf81f2642858d53d5c [2020-10-12 20:43:20,430 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 20:43:20,432 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 20:43:20,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 20:43:20,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 20:43:20,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 20:43:20,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 08:43:20" (1/1) ... [2020-10-12 20:43:20,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29de6771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:43:20, skipping insertion in model container [2020-10-12 20:43:20,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 08:43:20" (1/1) ... [2020-10-12 20:43:20,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 20:43:20,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 20:43:21,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 20:43:21,580 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 20:43:21,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 20:43:22,085 INFO L208 MainTranslator]: Completed translation [2020-10-12 20:43:22,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:43:22 WrapperNode [2020-10-12 20:43:22,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 20:43:22,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 20:43:22,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 20:43:22,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 20:43:22,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:43:22" (1/1) ... [2020-10-12 20:43:22,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:43:22" (1/1) ... [2020-10-12 20:43:22,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:43:22" (1/1) ... [2020-10-12 20:43:22,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:43:22" (1/1) ... [2020-10-12 20:43:22,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:43:22" (1/1) ... [2020-10-12 20:43:22,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:43:22" (1/1) ... [2020-10-12 20:43:22,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:43:22" (1/1) ... [2020-10-12 20:43:22,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 20:43:22,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 20:43:22,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 20:43:22,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 20:43:22,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:43:22" (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 20:43:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 20:43:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 20:43:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-12 20:43:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure calibrate [2020-10-12 20:43:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2020-10-12 20:43:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-12 20:43:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2020-10-12 20:43:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_is_ENTER_button_pressed [2020-10-12 20:43:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2020-10-12 20:43:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2020-10-12 20:43:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2020-10-12 20:43:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_light [2020-10-12 20:43:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2020-10-12 20:43:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure transition [2020-10-12 20:43:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-12 20:43:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2020-10-12 20:43:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure Controller [2020-10-12 20:43:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure Reader [2020-10-12 20:43:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure Writer [2020-10-12 20:43:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure TapeMover [2020-10-12 20:43:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2020-10-12 20:43:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperController [2020-10-12 20:43:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2020-10-12 20:43:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperTapeMover [2020-10-12 20:43:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2020-10-12 20:43:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperReader [2020-10-12 20:43:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2020-10-12 20:43:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperWriter [2020-10-12 20:43:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2020-10-12 20:43:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2020-10-12 20:43:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2020-10-12 20:43:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2020-10-12 20:43:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2020-10-12 20:43:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2020-10-12 20:43:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2020-10-12 20:43:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2020-10-12 20:43:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2020-10-12 20:43:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2020-10-12 20:43:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 20:43:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2020-10-12 20:43:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2020-10-12 20:43:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2020-10-12 20:43:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2020-10-12 20:43:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2020-10-12 20:43:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2020-10-12 20:43:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2020-10-12 20:43:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-12 20:43:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2020-10-12 20:43:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2020-10-12 20:43:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2020-10-12 20:43:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_dir [2020-10-12 20:43:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_read [2020-10-12 20:43:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2020-10-12 20:43:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2020-10-12 20:43:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2020-10-12 20:43:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2020-10-12 20:43:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2020-10-12 20:43:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Controller [2020-10-12 20:43:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-12 20:43:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Reader [2020-10-12 20:43:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Writer [2020-10-12 20:43:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2020-10-12 20:43:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2020-10-12 20:43:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_speed [2020-10-12 20:43:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2020-10-12 20:43:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_speed [2020-10-12 20:43:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2020-10-12 20:43:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_speed [2020-10-12 20:43:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-12 20:43:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_mode [2020-10-12 20:43:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2020-10-12 20:43:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2020-10-12 20:43:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2020-10-12 20:43:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2020-10-12 20:43:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2020-10-12 20:43:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_threshold [2020-10-12 20:43:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2020-10-12 20:43:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2020-10-12 20:43:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2020-10-12 20:43:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Controller [2020-10-12 20:43:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-12 20:43:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Reader [2020-10-12 20:43:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Writer [2020-10-12 20:43:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2020-10-12 20:43:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 20:43:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2020-10-12 20:43:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2020-10-12 20:43:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2020-10-12 20:43:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2020-10-12 20:43:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2020-10-12 20:43:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2020-10-12 20:43:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-12 20:43:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-12 20:43:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 20:43:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-12 20:43:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-12 20:43:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2020-10-12 20:43:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2020-10-12 20:43:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-12 20:43:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-12 20:43:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2020-10-12 20:43:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2020-10-12 20:43:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2020-10-12 20:43:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2020-10-12 20:43:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2020-10-12 20:43:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_speed [2020-10-12 20:43:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2020-10-12 20:43:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2020-10-12 20:43:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2020-10-12 20:43:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_speed [2020-10-12 20:43:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2020-10-12 20:43:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2020-10-12 20:43:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2020-10-12 20:43:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_speed [2020-10-12 20:43:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure calibrate [2020-10-12 20:43:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-12 20:43:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-12 20:43:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2020-10-12 20:43:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_mode [2020-10-12 20:43:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2020-10-12 20:43:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-12 20:43:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2020-10-12 20:43:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_is_ENTER_button_pressed [2020-10-12 20:43:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2020-10-12 20:43:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2020-10-12 20:43:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2020-10-12 20:43:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_light [2020-10-12 20:43:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2020-10-12 20:43:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2020-10-12 20:43:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2020-10-12 20:43:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2020-10-12 20:43:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2020-10-12 20:43:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_dir [2020-10-12 20:43:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2020-10-12 20:43:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_read [2020-10-12 20:43:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2020-10-12 20:43:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2020-10-12 20:43:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2020-10-12 20:43:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2020-10-12 20:43:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_threshold [2020-10-12 20:43:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2020-10-12 20:43:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2020-10-12 20:43:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2020-10-12 20:43:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2020-10-12 20:43:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2020-10-12 20:43:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2020-10-12 20:43:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure transition [2020-10-12 20:43:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-12 20:43:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2020-10-12 20:43:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure Controller [2020-10-12 20:43:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure Reader [2020-10-12 20:43:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure Writer [2020-10-12 20:43:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure TapeMover [2020-10-12 20:43:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Controller [2020-10-12 20:43:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Controller [2020-10-12 20:43:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2020-10-12 20:43:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperController [2020-10-12 20:43:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-12 20:43:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-12 20:43:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2020-10-12 20:43:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperTapeMover [2020-10-12 20:43:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Reader [2020-10-12 20:43:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Reader [2020-10-12 20:43:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2020-10-12 20:43:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperReader [2020-10-12 20:43:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Writer [2020-10-12 20:43:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Writer [2020-10-12 20:43:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2020-10-12 20:43:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperWriter [2020-10-12 20:43:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2020-10-12 20:43:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 20:43:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 20:43:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2020-10-12 20:43:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2020-10-12 20:43:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2020-10-12 20:43:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2020-10-12 20:43:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 20:43:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 20:43:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 20:43:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 20:43:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 20:43:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 20:43:37,509 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 20:43:37,510 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-12 20:43:37,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:43:37 BoogieIcfgContainer [2020-10-12 20:43:37,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 20:43:37,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 20:43:37,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 20:43:37,533 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 20:43:37,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 08:43:20" (1/3) ... [2020-10-12 20:43:37,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45ce6f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:43:37, skipping insertion in model container [2020-10-12 20:43:37,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:43:22" (2/3) ... [2020-10-12 20:43:37,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45ce6f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:43:37, skipping insertion in model container [2020-10-12 20:43:37,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:43:37" (3/3) ... [2020-10-12 20:43:37,536 INFO L109 eAbstractionObserver]: Analyzing ICFG rekh_ctm.2-1.c [2020-10-12 20:43:37,546 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 20:43:37,555 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 20:43:37,568 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 20:43:37,598 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 20:43:37,598 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 20:43:37,598 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 20:43:37,598 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 20:43:37,598 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 20:43:37,598 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 20:43:37,598 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 20:43:37,599 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 20:43:37,655 INFO L276 IsEmpty]: Start isEmpty. Operand 2578 states. [2020-10-12 20:43:37,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-12 20:43:37,673 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:43:37,674 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] [2020-10-12 20:43:37,675 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:43:37,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:43:37,680 INFO L82 PathProgramCache]: Analyzing trace with hash 187335920, now seen corresponding path program 1 times [2020-10-12 20:43:37,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:43:37,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1768970274] [2020-10-12 20:43:37,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:43:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:43:38,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:38,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:38,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:38,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:38,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:39,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:39,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:39,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:39,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:39,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:39,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:39,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:39,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:51,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:43:51,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-12 20:43:51,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-12 20:43:51,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13592 [2020-10-12 20:43:51,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:43:51,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:43:51,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 20:43:51,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:43:51,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 20:43:53,044 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 481 [2020-10-12 20:43:53,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:43:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:43:53,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:53,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:43:53,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 20:43:53,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:43:53,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-12 20:43:53,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:43:53,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:43:53,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:43:53,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:43:53,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:43:53,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 20:43:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:43:53,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:53,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:43:53,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 20:43:53,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:43:53,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 20:43:53,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:43:53,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:43:53,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:43:53,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:43:53,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:43:53,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 20:43:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:43:53,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:53,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:43:53,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:43:53,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:43:53,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:43:53,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:43:53,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:43:53,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:43:53,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:43:53,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:43:53,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 20:43:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:43:53,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:53,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:53,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:53,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:53,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:53,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:53,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:53,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:53,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:53,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:53,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:53,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:53,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:53,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:53,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:53,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:53,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:53,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:53,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:53,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:53,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:53,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:53,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:53,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:53,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:53,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:53,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:54,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:54,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:54,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:54,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:54,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:54,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:54,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:54,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:54,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:54,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:54,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:54,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:54,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:55,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:55,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:55,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:43:55,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-12 20:43:55,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 42 [2020-10-12 20:43:55,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2308 [2020-10-12 20:43:55,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:43:55,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:43:55,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-12 20:43:55,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:43:55,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 20:43:55,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 20:43:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:43:55,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:56,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:43:56,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 20:43:56,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:43:56,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1292 [2020-10-12 20:43:56,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:43:56,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:43:56,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 20:43:56,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:43:56,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:43:57,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 20:43:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:43:57,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:57,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:57,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:43:57,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 20:43:57,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 20:43:57,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 20:43:57,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:43:57,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:43:57,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 20:43:57,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:43:57,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:43:57,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 20:43:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:43:57,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:57,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:43:57,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 20:43:57,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:43:57,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 20:43:57,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:43:57,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:43:57,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:43:57,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:43:57,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:43:57,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 20:43:57,147 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1768970274] [2020-10-12 20:43:57,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:43:57,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 20:43:57,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024299117] [2020-10-12 20:43:57,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 20:43:57,156 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:43:57,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 20:43:57,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 20:43:57,172 INFO L87 Difference]: Start difference. First operand 2578 states. Second operand 6 states. [2020-10-12 20:43:58,264 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 484 [2020-10-12 20:44:59,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:44:59,007 INFO L93 Difference]: Finished difference Result 5971 states and 9802 transitions. [2020-10-12 20:44:59,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 20:44:59,009 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2020-10-12 20:44:59,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:44:59,065 INFO L225 Difference]: With dead ends: 5971 [2020-10-12 20:44:59,065 INFO L226 Difference]: Without dead ends: 3403 [2020-10-12 20:44:59,101 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-12 20:44:59,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3403 states. [2020-10-12 20:44:59,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3403 to 2550. [2020-10-12 20:44:59,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2550 states. [2020-10-12 20:44:59,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2550 states to 2550 states and 3126 transitions. [2020-10-12 20:44:59,755 INFO L78 Accepts]: Start accepts. Automaton has 2550 states and 3126 transitions. Word has length 163 [2020-10-12 20:44:59,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:44:59,756 INFO L479 AbstractCegarLoop]: Abstraction has 2550 states and 3126 transitions. [2020-10-12 20:44:59,756 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 20:44:59,756 INFO L276 IsEmpty]: Start isEmpty. Operand 2550 states and 3126 transitions. [2020-10-12 20:44:59,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-12 20:44:59,769 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:44:59,769 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] [2020-10-12 20:44:59,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 20:44:59,770 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:44:59,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:44:59,771 INFO L82 PathProgramCache]: Analyzing trace with hash -459862331, now seen corresponding path program 1 times [2020-10-12 20:44:59,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:44:59,771 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [775702128] [2020-10-12 20:44:59,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:45:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:00,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:00,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:22,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:41,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:41,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-12 20:45:41,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:45:41,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41727 [2020-10-12 20:45:41,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:41,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 20:45:41,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-12 20:45:41,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-12 20:45:41,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:45:43,570 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 481 [2020-10-12 20:45:43,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:45:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:43,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:43,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:43,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 20:45:43,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:45:43,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-12 20:45:43,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:43,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:45:43,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:45:43,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:45:43,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:45:43,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 20:45:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:43,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:43,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:43,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 20:45:43,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:45:43,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 20:45:43,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:43,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:45:43,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:45:43,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:45:43,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:45:43,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 20:45:43,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:43,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:43,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:43,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:45:43,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:45:43,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:45:43,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:43,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:45:43,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:45:43,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:45:43,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:45:43,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 20:45:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:44,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:45,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:47,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:49,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:49,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-12 20:45:49,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:45:49,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5774 [2020-10-12 20:45:49,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:49,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 20:45:49,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-12 20:45:49,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-12 20:45:49,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:45:50,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 20:45:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:50,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:52,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:52,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 20:45:52,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:45:52,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1493 [2020-10-12 20:45:52,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:52,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:45:52,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 20:45:52,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:45:52,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:45:52,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 20:45:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:52,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:52,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:52,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:52,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:52,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:52,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:53,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:57,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:57,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-12 20:45:57,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 20:45:57,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 20:45:57,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:57,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 20:45:57,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 20:45:57,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-12 20:45:57,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:45:57,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 20:45:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:57,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:57,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:57,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 20:45:57,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:45:57,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 20:45:57,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:57,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:45:57,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:45:57,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:45:57,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:45:57,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 20:45:57,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:57,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:57,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:57,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 20:45:57,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:45:57,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 20:45:57,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:57,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 20:45:57,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:45:57,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 20:45:57,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:45:57,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 20:45:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:57,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:57,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:57,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:57,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:57,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 20:45:57,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:45:57,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-12 20:45:57,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:57,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 20:45:57,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:45:57,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 20:45:57,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:45:57,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 20:45:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:57,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:57,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:57,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 20:45:57,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:45:57,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 20:45:57,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:57,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:45:57,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:45:57,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:45:57,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:45:57,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 20:45:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:57,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:57,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:57,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 20:45:57,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:45:57,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 20:45:57,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:57,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 20:45:57,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:45:57,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 20:45:57,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:45:57,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 20:45:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:57,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:57,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:57,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:45:57,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:45:57,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:45:57,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:57,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:45:57,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:45:57,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 20:45:57,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:45:57,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 20:45:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:57,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:57,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:57,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:57,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 20:45:57,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 20:45:57,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 20:45:57,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:57,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 20:45:57,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:45:57,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 20:45:57,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:45:58,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 20:45:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:58,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:58,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:58,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:58,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 20:45:58,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 20:45:58,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 20:45:58,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:58,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 20:45:58,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:45:58,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 20:45:58,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:45:58,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 20:45:58,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:58,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:58,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:58,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 20:45:58,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:45:58,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 20:45:58,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:58,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 20:45:58,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 20:45:58,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 20:45:58,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:45:58,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 20:45:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:58,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:58,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:58,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 20:45:58,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:45:58,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 20:45:58,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:58,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:45:58,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:45:58,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 20:45:58,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:45:58,484 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 20:45:58,484 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [775702128] [2020-10-12 20:45:58,484 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 20:45:58,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-12 20:45:58,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751520403] [2020-10-12 20:45:58,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-12 20:45:58,487 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:45:58,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-12 20:45:58,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2020-10-12 20:45:58,488 INFO L87 Difference]: Start difference. First operand 2550 states and 3126 transitions. Second operand 21 states. [2020-10-12 20:45:59,594 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 484 [2020-10-12 20:46:03,038 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 524 [2020-10-12 20:46:07,657 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 485 [2020-10-12 20:46:09,124 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 488 [2020-10-12 20:46:36,413 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 497 [2020-10-12 20:46:37,995 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 502 [2020-10-12 20:46:39,718 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 512 [2020-10-12 20:46:41,596 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 518 [2020-10-12 20:46:43,947 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 529 [2020-10-12 20:46:46,002 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-12 20:46:52,432 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 531 [2020-10-12 20:46:56,495 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 520