/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.2-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 20:43:38,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 20:43:38,080 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 20:43:38,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 20:43:38,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 20:43:38,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 20:43:38,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 20:43:38,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 20:43:38,135 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 20:43:38,138 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 20:43:38,139 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 20:43:38,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 20:43:38,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 20:43:38,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 20:43:38,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 20:43:38,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 20:43:38,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 20:43:38,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 20:43:38,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 20:43:38,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 20:43:38,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 20:43:38,162 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 20:43:38,163 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 20:43:38,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 20:43:38,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 20:43:38,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 20:43:38,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 20:43:38,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 20:43:38,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 20:43:38,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 20:43:38,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 20:43:38,189 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 20:43:38,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 20:43:38,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 20:43:38,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 20:43:38,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 20:43:38,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 20:43:38,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 20:43:38,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 20:43:38,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 20:43:38,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 20:43:38,198 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 20:43:38,231 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 20:43:38,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 20:43:38,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 20:43:38,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 20:43:38,233 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 20:43:38,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 20:43:38,234 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 20:43:38,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 20:43:38,234 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 20:43:38,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 20:43:38,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 20:43:38,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 20:43:38,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 20:43:38,235 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 20:43:38,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 20:43:38,235 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 20:43:38,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 20:43:38,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 20:43:38,236 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 20:43:38,236 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 20:43:38,236 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 20:43:38,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 20:43:38,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 20:43:38,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 20:43:38,237 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 20:43:38,237 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 20:43:38,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 20:43:38,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 20:43:38,238 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 20:43:38,238 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 20:43:38,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 20:43:38,536 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 20:43:38,540 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 20:43:38,541 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 20:43:38,541 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 20:43:38,542 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.2-2.c [2020-10-12 20:43:38,603 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e4fa62902/ffd169dd03de4afd9f4a2f4521ed5bb2/FLAG858426fe0 [2020-10-12 20:43:39,286 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 20:43:39,287 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.2-2.c [2020-10-12 20:43:39,318 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e4fa62902/ffd169dd03de4afd9f4a2f4521ed5bb2/FLAG858426fe0 [2020-10-12 20:43:39,440 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e4fa62902/ffd169dd03de4afd9f4a2f4521ed5bb2 [2020-10-12 20:43:39,448 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 20:43:39,450 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 20:43:39,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 20:43:39,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 20:43:39,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 20:43:39,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 08:43:39" (1/1) ... [2020-10-12 20:43:39,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b376011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:43:39, skipping insertion in model container [2020-10-12 20:43:39,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 08:43:39" (1/1) ... [2020-10-12 20:43:39,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 20:43:39,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 20:43:40,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 20:43:40,558 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 20:43:40,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 20:43:41,019 INFO L208 MainTranslator]: Completed translation [2020-10-12 20:43:41,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:43:41 WrapperNode [2020-10-12 20:43:41,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 20:43:41,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 20:43:41,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 20:43:41,022 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 20:43:41,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:43:41" (1/1) ... [2020-10-12 20:43:41,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:43:41" (1/1) ... [2020-10-12 20:43:41,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:43:41" (1/1) ... [2020-10-12 20:43:41,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:43:41" (1/1) ... [2020-10-12 20:43:41,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:43:41" (1/1) ... [2020-10-12 20:43:41,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:43:41" (1/1) ... [2020-10-12 20:43:41,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:43:41" (1/1) ... [2020-10-12 20:43:41,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 20:43:41,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 20:43:41,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 20:43:41,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 20:43:41,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:43:41" (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 20:43:41,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 20:43:41,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 20:43:41,632 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-12 20:43:41,633 INFO L138 BoogieDeclarations]: Found implementation of procedure calibrate [2020-10-12 20:43:41,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2020-10-12 20:43:41,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-12 20:43:41,633 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2020-10-12 20:43:41,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_is_ENTER_button_pressed [2020-10-12 20:43:41,634 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2020-10-12 20:43:41,634 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2020-10-12 20:43:41,634 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2020-10-12 20:43:41,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_light [2020-10-12 20:43:41,634 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2020-10-12 20:43:41,635 INFO L138 BoogieDeclarations]: Found implementation of procedure transition [2020-10-12 20:43:41,635 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-12 20:43:41,635 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2020-10-12 20:43:41,635 INFO L138 BoogieDeclarations]: Found implementation of procedure Controller [2020-10-12 20:43:41,635 INFO L138 BoogieDeclarations]: Found implementation of procedure Reader [2020-10-12 20:43:41,636 INFO L138 BoogieDeclarations]: Found implementation of procedure Writer [2020-10-12 20:43:41,636 INFO L138 BoogieDeclarations]: Found implementation of procedure TapeMover [2020-10-12 20:43:41,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2020-10-12 20:43:41,637 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperController [2020-10-12 20:43:41,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2020-10-12 20:43:41,637 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperTapeMover [2020-10-12 20:43:41,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2020-10-12 20:43:41,637 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperReader [2020-10-12 20:43:41,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2020-10-12 20:43:41,637 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperWriter [2020-10-12 20:43:41,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2020-10-12 20:43:41,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2020-10-12 20:43:41,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2020-10-12 20:43:41,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2020-10-12 20:43:41,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2020-10-12 20:43:41,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2020-10-12 20:43:41,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2020-10-12 20:43:41,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2020-10-12 20:43:41,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2020-10-12 20:43:41,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2020-10-12 20:43:41,639 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 20:43:41,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2020-10-12 20:43:41,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2020-10-12 20:43:41,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2020-10-12 20:43:41,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2020-10-12 20:43:41,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2020-10-12 20:43:41,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2020-10-12 20:43:41,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2020-10-12 20:43:41,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-12 20:43:41,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2020-10-12 20:43:41,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2020-10-12 20:43:41,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2020-10-12 20:43:41,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_dir [2020-10-12 20:43:41,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_read [2020-10-12 20:43:41,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2020-10-12 20:43:41,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2020-10-12 20:43:41,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2020-10-12 20:43:41,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2020-10-12 20:43:41,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2020-10-12 20:43:41,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Controller [2020-10-12 20:43:41,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-12 20:43:41,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Reader [2020-10-12 20:43:41,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Writer [2020-10-12 20:43:41,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2020-10-12 20:43:41,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2020-10-12 20:43:41,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_speed [2020-10-12 20:43:41,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2020-10-12 20:43:41,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_speed [2020-10-12 20:43:41,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2020-10-12 20:43:41,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_speed [2020-10-12 20:43:41,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-12 20:43:41,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_mode [2020-10-12 20:43:41,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2020-10-12 20:43:41,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2020-10-12 20:43:41,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2020-10-12 20:43:41,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2020-10-12 20:43:41,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2020-10-12 20:43:41,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_threshold [2020-10-12 20:43:41,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2020-10-12 20:43:41,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2020-10-12 20:43:41,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2020-10-12 20:43:41,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Controller [2020-10-12 20:43:41,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-12 20:43:41,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Reader [2020-10-12 20:43:41,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Writer [2020-10-12 20:43:41,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2020-10-12 20:43:41,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 20:43:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2020-10-12 20:43:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2020-10-12 20:43:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2020-10-12 20:43:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2020-10-12 20:43:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2020-10-12 20:43:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2020-10-12 20:43:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-12 20:43:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-12 20:43:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 20:43:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-12 20:43:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-12 20:43:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2020-10-12 20:43:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2020-10-12 20:43:41,649 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-12 20:43:41,649 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-12 20:43:41,649 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2020-10-12 20:43:41,649 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2020-10-12 20:43:41,649 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2020-10-12 20:43:41,649 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2020-10-12 20:43:41,649 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2020-10-12 20:43:41,650 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_speed [2020-10-12 20:43:41,650 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2020-10-12 20:43:41,650 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2020-10-12 20:43:41,650 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2020-10-12 20:43:41,650 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_speed [2020-10-12 20:43:41,650 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2020-10-12 20:43:41,651 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2020-10-12 20:43:41,651 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2020-10-12 20:43:41,651 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_speed [2020-10-12 20:43:41,651 INFO L130 BoogieDeclarations]: Found specification of procedure calibrate [2020-10-12 20:43:41,651 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-12 20:43:41,651 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-12 20:43:41,651 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2020-10-12 20:43:41,652 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_mode [2020-10-12 20:43:41,652 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2020-10-12 20:43:41,652 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-12 20:43:41,652 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2020-10-12 20:43:41,652 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_is_ENTER_button_pressed [2020-10-12 20:43:41,652 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2020-10-12 20:43:41,653 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2020-10-12 20:43:41,653 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2020-10-12 20:43:41,653 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_light [2020-10-12 20:43:41,653 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2020-10-12 20:43:41,653 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2020-10-12 20:43:41,653 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2020-10-12 20:43:41,653 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2020-10-12 20:43:41,654 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2020-10-12 20:43:41,654 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_dir [2020-10-12 20:43:41,654 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2020-10-12 20:43:41,654 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_read [2020-10-12 20:43:41,654 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2020-10-12 20:43:41,654 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2020-10-12 20:43:41,655 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2020-10-12 20:43:41,655 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2020-10-12 20:43:41,655 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_threshold [2020-10-12 20:43:41,655 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2020-10-12 20:43:41,655 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2020-10-12 20:43:41,655 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2020-10-12 20:43:41,656 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2020-10-12 20:43:41,656 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2020-10-12 20:43:41,656 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2020-10-12 20:43:41,656 INFO L130 BoogieDeclarations]: Found specification of procedure transition [2020-10-12 20:43:41,656 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-12 20:43:41,656 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2020-10-12 20:43:41,656 INFO L130 BoogieDeclarations]: Found specification of procedure Controller [2020-10-12 20:43:41,657 INFO L130 BoogieDeclarations]: Found specification of procedure Reader [2020-10-12 20:43:41,657 INFO L130 BoogieDeclarations]: Found specification of procedure Writer [2020-10-12 20:43:41,657 INFO L130 BoogieDeclarations]: Found specification of procedure TapeMover [2020-10-12 20:43:41,657 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Controller [2020-10-12 20:43:41,657 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Controller [2020-10-12 20:43:41,657 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2020-10-12 20:43:41,657 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperController [2020-10-12 20:43:41,658 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-12 20:43:41,658 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-12 20:43:41,658 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2020-10-12 20:43:41,658 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperTapeMover [2020-10-12 20:43:41,658 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Reader [2020-10-12 20:43:41,658 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Reader [2020-10-12 20:43:41,658 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2020-10-12 20:43:41,659 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperReader [2020-10-12 20:43:41,659 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Writer [2020-10-12 20:43:41,659 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Writer [2020-10-12 20:43:41,659 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2020-10-12 20:43:41,659 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperWriter [2020-10-12 20:43:41,659 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2020-10-12 20:43:41,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 20:43:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 20:43:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2020-10-12 20:43:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2020-10-12 20:43:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2020-10-12 20:43:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2020-10-12 20:43:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 20:43:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 20:43:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 20:43:41,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 20:43:41,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 20:43:41,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 20:43:57,396 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 20:43:57,396 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-12 20:43:57,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:43:57 BoogieIcfgContainer [2020-10-12 20:43:57,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 20:43:57,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 20:43:57,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 20:43:57,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 20:43:57,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 08:43:39" (1/3) ... [2020-10-12 20:43:57,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@793a3b27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:43:57, skipping insertion in model container [2020-10-12 20:43:57,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:43:41" (2/3) ... [2020-10-12 20:43:57,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@793a3b27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:43:57, skipping insertion in model container [2020-10-12 20:43:57,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:43:57" (3/3) ... [2020-10-12 20:43:57,430 INFO L109 eAbstractionObserver]: Analyzing ICFG rekh_ctm.2-2.c [2020-10-12 20:43:57,445 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 20:43:57,461 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 20:43:57,482 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 20:43:57,534 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 20:43:57,534 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 20:43:57,534 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 20:43:57,534 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 20:43:57,535 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 20:43:57,535 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 20:43:57,535 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 20:43:57,535 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 20:43:57,633 INFO L276 IsEmpty]: Start isEmpty. Operand 2581 states. [2020-10-12 20:43:57,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-12 20:43:57,675 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:43:57,677 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 20:43:57,678 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:43:57,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:43:57,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1177425230, now seen corresponding path program 1 times [2020-10-12 20:43:57,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:43:57,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [972316077] [2020-10-12 20:43:57,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:43:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:43:58,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:58,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:58,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:59,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:59,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:59,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:59,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:59,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:59,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:43:59,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:00,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:00,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:00,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:05,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:44:05,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-12 20:44:05,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-12 20:44:05,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7298 [2020-10-12 20:44:05,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:44:05,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:44:05,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 20:44:05,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:44:05,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 20:44:07,796 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 481 [2020-10-12 20:44:07,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:44:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:44:07,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:07,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:44:07,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 20:44:07,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:44:07,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-12 20:44:07,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:44:07,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:44:07,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:44:07,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:44:07,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:44:08,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 20:44:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:44:08,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:08,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:44:08,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 20:44:08,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:44:08,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 20:44:08,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:44:08,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:44:08,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:44:08,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:44:08,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:44:08,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 20:44:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:44:08,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:08,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:44:08,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:44:08,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:44:08,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:44:08,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:44:08,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:44:08,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:44:08,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:44:08,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 20:44:08,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 20:44:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:44:08,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:08,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:08,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:08,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:08,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:08,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:08,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:08,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:08,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:08,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:08,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:08,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:08,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:08,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:08,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:08,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:08,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:08,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:08,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:08,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:08,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:08,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:08,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:08,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:08,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:08,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:08,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:08,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:09,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:09,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:09,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:09,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:09,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:09,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:09,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:09,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:09,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:09,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:09,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:09,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:09,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:09,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:09,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:09,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:10,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:10,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:44:10,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-12 20:44:10,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 45 [2020-10-12 20:44:10,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2071 [2020-10-12 20:44:10,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:44:10,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:44:10,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-12 20:44:10,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:44:10,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:44:10,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 20:44:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:44:10,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:11,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:44:11,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 20:44:11,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:44:11,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1151 [2020-10-12 20:44:11,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:44:11,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:44:11,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 20:44:11,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:44:11,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:44:11,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 20:44:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:44:11,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:11,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:11,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:44:11,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 20:44:11,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 20:44:11,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 20:44:11,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:44:11,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:44:11,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 20:44:11,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:44:11,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:44:11,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 20:44:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:44:11,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:44:11,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:44:11,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 20:44:11,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:44:11,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 20:44:11,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:44:11,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:44:11,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:44:11,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:44:11,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:44:11,623 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 20:44:11,624 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [972316077] [2020-10-12 20:44:11,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:44:11,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 20:44:11,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737718650] [2020-10-12 20:44:11,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 20:44:11,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:44:11,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 20:44:11,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 20:44:11,665 INFO L87 Difference]: Start difference. First operand 2581 states. Second operand 6 states. [2020-10-12 20:44:13,099 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 484 [2020-10-12 20:44:59,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:44:59,559 INFO L93 Difference]: Finished difference Result 5986 states and 9835 transitions. [2020-10-12 20:44:59,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 20:44:59,561 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2020-10-12 20:44:59,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:44:59,622 INFO L225 Difference]: With dead ends: 5986 [2020-10-12 20:44:59,623 INFO L226 Difference]: Without dead ends: 3415 [2020-10-12 20:44:59,657 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-12 20:44:59,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3415 states. [2020-10-12 20:45:00,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3415 to 2553. [2020-10-12 20:45:00,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2553 states. [2020-10-12 20:45:00,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2553 states to 2553 states and 3131 transitions. [2020-10-12 20:45:00,179 INFO L78 Accepts]: Start accepts. Automaton has 2553 states and 3131 transitions. Word has length 163 [2020-10-12 20:45:00,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:45:00,180 INFO L479 AbstractCegarLoop]: Abstraction has 2553 states and 3131 transitions. [2020-10-12 20:45:00,180 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 20:45:00,180 INFO L276 IsEmpty]: Start isEmpty. Operand 2553 states and 3131 transitions. [2020-10-12 20:45:00,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-12 20:45:00,190 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:45:00,190 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 20:45:00,191 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 20:45:00,191 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:45:00,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:45:00,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1034821229, now seen corresponding path program 1 times [2020-10-12 20:45:00,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:45:00,192 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [780481924] [2020-10-12 20:45:00,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:45:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:00,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:01,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:31,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:56,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:56,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-12 20:45:56,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:45:56,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55621 [2020-10-12 20:45:56,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:56,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 20:45:56,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-12 20:45:56,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-12 20:45:56,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:45:58,454 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 481 [2020-10-12 20:45:58,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:45:58,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:58,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:58,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:58,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 20:45:58,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:45:58,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-12 20:45:58,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:58,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:45:58,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:45:58,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:45:58,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:45:58,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 20:45:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:58,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:58,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:58,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 20:45:58,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:45:58,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 20:45:58,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:58,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:45:58,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:45:58,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:45:58,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:45:58,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 20:45:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:58,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:45:58,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:45:58,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:45:58,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:45:58,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 20:45:58,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:45:58,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:45:58,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:45:58,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:45:58,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:45:58,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 20:45:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:45:59,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:46:01,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:46:01,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:46:02,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:46:04,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:46:04,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-12 20:46:04,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 20:46:04,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5269 [2020-10-12 20:46:04,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:46:04,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 20:46:04,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-12 20:46:04,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-12 20:46:04,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:46:06,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 20:46:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:46:06,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:46:06,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:46:06,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 20:46:06,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:46:06,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 668 [2020-10-12 20:46:06,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:46:06,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:46:06,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 20:46:06,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:46:06,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:46:06,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 20:46:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:46:06,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:46:06,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:46:06,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:46:07,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:46:07,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:46:07,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:46:07,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:46:11,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:46:11,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-12 20:46:11,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 20:46:11,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 20:46:11,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:46:11,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 20:46:11,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 20:46:11,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-12 20:46:11,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:46:12,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 20:46:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:46:12,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:46:12,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:46:12,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 20:46:12,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:46:12,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 20:46:12,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:46:12,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 20:46:12,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:46:12,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 20:46:12,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:46:12,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 20:46:12,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:46:12,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:46:12,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:46:12,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:46:12,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 20:46:12,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 20:46:12,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 20:46:12,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:46:12,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 20:46:12,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:46:12,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 20:46:12,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:46:12,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 20:46:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:46:12,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:46:12,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:46:12,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:46:12,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:46:12,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 20:46:12,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:46:12,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-12 20:46:12,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:46:12,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 20:46:12,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:46:12,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 20:46:12,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:46:12,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 20:46:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:46:12,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:46:12,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:46:12,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 20:46:12,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:46:12,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 20:46:12,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:46:12,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 20:46:12,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:46:12,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 20:46:12,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:46:12,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 20:46:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:46:12,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:46:12,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:46:13,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:46:13,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 20:46:13,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 20:46:13,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 20:46:13,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:46:13,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 20:46:13,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:46:13,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 20:46:13,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:46:13,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 20:46:13,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:46:13,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:46:13,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:46:13,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:46:13,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:46:13,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 20:46:13,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:46:13,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:46:13,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:46:13,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 20:46:13,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:46:13,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 20:46:13,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:46:13,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:46:13,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:46:13,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:46:13,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 20:46:13,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 20:46:13,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 20:46:13,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:46:13,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 20:46:13,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:46:13,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 20:46:13,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:46:13,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 20:46:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:46:13,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:46:13,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:46:13,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:46:13,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 20:46:13,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 20:46:13,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 20:46:13,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:46:13,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 20:46:13,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:46:13,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 20:46:13,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:46:13,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 20:46:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:46:13,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:46:13,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:46:13,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 20:46:13,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:46:13,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 20:46:13,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:46:13,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 20:46:13,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 20:46:13,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 20:46:13,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:46:14,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 20:46:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:46:14,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:46:14,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:46:14,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 20:46:14,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:46:14,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 20:46:14,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:46:14,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:46:14,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:46:14,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 20:46:14,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:46:14,416 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 20:46:14,417 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [780481924] [2020-10-12 20:46:14,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 20:46:14,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-12 20:46:14,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961073058] [2020-10-12 20:46:14,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-12 20:46:14,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:46:14,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-12 20:46:14,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=858, Unknown=0, NotChecked=0, Total=930 [2020-10-12 20:46:14,422 INFO L87 Difference]: Start difference. First operand 2553 states and 3131 transitions. Second operand 31 states. [2020-10-12 20:46:15,698 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 484 [2020-10-12 20:46:27,630 WARN L193 SmtUtils]: Spent 3.88 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 20:46:37,788 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 485 [2020-10-12 20:46:39,417 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 488 [2020-10-12 20:46:45,812 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 493 [2020-10-12 20:46:47,483 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 501 [2020-10-12 20:46:49,251 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 515 [2020-10-12 20:46:51,126 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 513 [2020-10-12 20:46:57,321 WARN L193 SmtUtils]: Spent 5.85 s on a formula simplification that was a NOOP. DAG size: 526 [2020-10-12 20:47:01,717 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 525 [2020-10-12 20:47:08,760 WARN L193 SmtUtils]: Spent 6.26 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-12 20:47:17,715 WARN L193 SmtUtils]: Spent 6.31 s on a formula simplification that was a NOOP. DAG size: 535