/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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 [2020-10-14 09:52:59,446 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 09:52:59,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 09:52:59,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 09:52:59,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 09:52:59,475 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 09:52:59,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 09:52:59,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 09:52:59,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 09:52:59,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 09:52:59,483 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 09:52:59,484 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 09:52:59,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 09:52:59,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 09:52:59,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 09:52:59,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 09:52:59,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 09:52:59,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 09:52:59,493 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 09:52:59,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 09:52:59,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 09:52:59,497 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 09:52:59,498 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 09:52:59,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 09:52:59,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 09:52:59,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 09:52:59,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 09:52:59,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 09:52:59,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 09:52:59,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 09:52:59,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 09:52:59,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 09:52:59,505 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 09:52:59,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 09:52:59,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 09:52:59,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 09:52:59,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 09:52:59,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 09:52:59,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 09:52:59,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 09:52:59,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 09:52:59,510 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 [2020-10-14 09:52:59,532 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 09:52:59,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 09:52:59,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 09:52:59,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 09:52:59,533 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 09:52:59,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 09:52:59,534 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 09:52:59,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 09:52:59,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 09:52:59,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 09:52:59,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 09:52:59,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 09:52:59,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 09:52:59,535 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 09:52:59,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 09:52:59,536 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 09:52:59,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 09:52:59,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 09:52:59,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 09:52:59,536 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 09:52:59,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 09:52:59,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 09:52:59,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 09:52:59,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 09:52:59,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 09:52:59,537 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 09:52:59,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 09:52:59,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 09:52:59,538 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 09:52:59,538 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 09:52:59,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 09:52:59,846 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 09:52:59,849 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 09:52:59,851 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 09:52:59,851 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 09:52:59,852 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.2-1.c [2020-10-14 09:52:59,918 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fdda67ebd/171d8bc447604dcab1023ae868e6f566/FLAGd1eda9f96 [2020-10-14 09:53:00,614 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 09:53:00,615 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.2-1.c [2020-10-14 09:53:00,640 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fdda67ebd/171d8bc447604dcab1023ae868e6f566/FLAGd1eda9f96 [2020-10-14 09:53:00,785 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fdda67ebd/171d8bc447604dcab1023ae868e6f566 [2020-10-14 09:53:00,792 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 09:53:00,794 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 09:53:00,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 09:53:00,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 09:53:00,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 09:53:00,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:53:00" (1/1) ... [2020-10-14 09:53:00,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2839cfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:00, skipping insertion in model container [2020-10-14 09:53:00,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:53:00" (1/1) ... [2020-10-14 09:53:00,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 09:53:00,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 09:53:01,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 09:53:01,898 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 09:53:02,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 09:53:02,370 INFO L208 MainTranslator]: Completed translation [2020-10-14 09:53:02,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:02 WrapperNode [2020-10-14 09:53:02,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 09:53:02,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 09:53:02,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 09:53:02,372 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 09:53:02,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:02" (1/1) ... [2020-10-14 09:53:02,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:02" (1/1) ... [2020-10-14 09:53:02,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:02" (1/1) ... [2020-10-14 09:53:02,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:02" (1/1) ... [2020-10-14 09:53:02,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:02" (1/1) ... [2020-10-14 09:53:02,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:02" (1/1) ... [2020-10-14 09:53:02,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:02" (1/1) ... [2020-10-14 09:53:02,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 09:53:02,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 09:53:02,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 09:53:02,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 09:53:02,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:02" (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 [2020-10-14 09:53:02,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 09:53:02,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 09:53:02,804 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-14 09:53:02,804 INFO L138 BoogieDeclarations]: Found implementation of procedure calibrate [2020-10-14 09:53:02,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2020-10-14 09:53:02,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-14 09:53:02,804 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2020-10-14 09:53:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_is_ENTER_button_pressed [2020-10-14 09:53:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2020-10-14 09:53:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2020-10-14 09:53:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2020-10-14 09:53:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_light [2020-10-14 09:53:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2020-10-14 09:53:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure transition [2020-10-14 09:53:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-14 09:53:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2020-10-14 09:53:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure Controller [2020-10-14 09:53:02,809 INFO L138 BoogieDeclarations]: Found implementation of procedure Reader [2020-10-14 09:53:02,809 INFO L138 BoogieDeclarations]: Found implementation of procedure Writer [2020-10-14 09:53:02,809 INFO L138 BoogieDeclarations]: Found implementation of procedure TapeMover [2020-10-14 09:53:02,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2020-10-14 09:53:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperController [2020-10-14 09:53:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2020-10-14 09:53:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperTapeMover [2020-10-14 09:53:02,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2020-10-14 09:53:02,811 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperReader [2020-10-14 09:53:02,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2020-10-14 09:53:02,811 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperWriter [2020-10-14 09:53:02,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2020-10-14 09:53:02,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2020-10-14 09:53:02,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2020-10-14 09:53:02,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2020-10-14 09:53:02,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2020-10-14 09:53:02,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2020-10-14 09:53:02,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2020-10-14 09:53:02,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2020-10-14 09:53:02,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2020-10-14 09:53:02,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2020-10-14 09:53:02,813 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 09:53:02,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2020-10-14 09:53:02,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2020-10-14 09:53:02,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2020-10-14 09:53:02,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2020-10-14 09:53:02,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2020-10-14 09:53:02,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2020-10-14 09:53:02,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2020-10-14 09:53:02,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-14 09:53:02,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2020-10-14 09:53:02,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2020-10-14 09:53:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2020-10-14 09:53:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_dir [2020-10-14 09:53:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_read [2020-10-14 09:53:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2020-10-14 09:53:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2020-10-14 09:53:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2020-10-14 09:53:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2020-10-14 09:53:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2020-10-14 09:53:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Controller [2020-10-14 09:53:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-14 09:53:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Reader [2020-10-14 09:53:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Writer [2020-10-14 09:53:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2020-10-14 09:53:02,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2020-10-14 09:53:02,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_speed [2020-10-14 09:53:02,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2020-10-14 09:53:02,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_speed [2020-10-14 09:53:02,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2020-10-14 09:53:02,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_speed [2020-10-14 09:53:02,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-14 09:53:02,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_mode [2020-10-14 09:53:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2020-10-14 09:53:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2020-10-14 09:53:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2020-10-14 09:53:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2020-10-14 09:53:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2020-10-14 09:53:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_threshold [2020-10-14 09:53:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2020-10-14 09:53:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2020-10-14 09:53:02,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2020-10-14 09:53:02,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Controller [2020-10-14 09:53:02,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-14 09:53:02,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Reader [2020-10-14 09:53:02,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Writer [2020-10-14 09:53:02,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2020-10-14 09:53:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 09:53:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2020-10-14 09:53:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2020-10-14 09:53:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2020-10-14 09:53:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2020-10-14 09:53:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2020-10-14 09:53:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2020-10-14 09:53:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-14 09:53:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-14 09:53:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 09:53:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-14 09:53:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-14 09:53:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2020-10-14 09:53:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2020-10-14 09:53:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 09:53:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-14 09:53:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2020-10-14 09:53:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2020-10-14 09:53:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2020-10-14 09:53:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2020-10-14 09:53:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2020-10-14 09:53:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_speed [2020-10-14 09:53:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2020-10-14 09:53:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2020-10-14 09:53:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2020-10-14 09:53:02,826 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_speed [2020-10-14 09:53:02,826 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2020-10-14 09:53:02,826 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2020-10-14 09:53:02,826 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2020-10-14 09:53:02,826 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_speed [2020-10-14 09:53:02,826 INFO L130 BoogieDeclarations]: Found specification of procedure calibrate [2020-10-14 09:53:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-14 09:53:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-14 09:53:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2020-10-14 09:53:02,828 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_mode [2020-10-14 09:53:02,828 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2020-10-14 09:53:02,828 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-14 09:53:02,828 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2020-10-14 09:53:02,829 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_is_ENTER_button_pressed [2020-10-14 09:53:02,830 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2020-10-14 09:53:02,830 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2020-10-14 09:53:02,831 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2020-10-14 09:53:02,833 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_light [2020-10-14 09:53:02,834 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2020-10-14 09:53:02,834 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2020-10-14 09:53:02,834 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2020-10-14 09:53:02,834 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2020-10-14 09:53:02,834 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2020-10-14 09:53:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_dir [2020-10-14 09:53:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2020-10-14 09:53:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_read [2020-10-14 09:53:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2020-10-14 09:53:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2020-10-14 09:53:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2020-10-14 09:53:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2020-10-14 09:53:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_threshold [2020-10-14 09:53:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2020-10-14 09:53:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2020-10-14 09:53:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2020-10-14 09:53:02,843 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2020-10-14 09:53:02,844 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2020-10-14 09:53:02,844 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2020-10-14 09:53:02,845 INFO L130 BoogieDeclarations]: Found specification of procedure transition [2020-10-14 09:53:02,845 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-14 09:53:02,845 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2020-10-14 09:53:02,845 INFO L130 BoogieDeclarations]: Found specification of procedure Controller [2020-10-14 09:53:02,845 INFO L130 BoogieDeclarations]: Found specification of procedure Reader [2020-10-14 09:53:02,845 INFO L130 BoogieDeclarations]: Found specification of procedure Writer [2020-10-14 09:53:02,845 INFO L130 BoogieDeclarations]: Found specification of procedure TapeMover [2020-10-14 09:53:02,845 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Controller [2020-10-14 09:53:02,846 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Controller [2020-10-14 09:53:02,846 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2020-10-14 09:53:02,846 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperController [2020-10-14 09:53:02,846 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-14 09:53:02,846 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-14 09:53:02,846 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2020-10-14 09:53:02,846 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperTapeMover [2020-10-14 09:53:02,846 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Reader [2020-10-14 09:53:02,846 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Reader [2020-10-14 09:53:02,847 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2020-10-14 09:53:02,847 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperReader [2020-10-14 09:53:02,847 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Writer [2020-10-14 09:53:02,847 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Writer [2020-10-14 09:53:02,847 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2020-10-14 09:53:02,847 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperWriter [2020-10-14 09:53:02,847 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2020-10-14 09:53:02,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 09:53:02,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 09:53:02,848 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2020-10-14 09:53:02,848 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2020-10-14 09:53:02,848 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2020-10-14 09:53:02,848 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2020-10-14 09:53:02,848 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 09:53:02,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 09:53:02,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 09:53:02,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 09:53:02,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 09:53:02,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 09:53:17,485 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 09:53:17,485 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-14 09:53:17,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:53:17 BoogieIcfgContainer [2020-10-14 09:53:17,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 09:53:17,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 09:53:17,504 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 09:53:17,507 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 09:53:17,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:53:00" (1/3) ... [2020-10-14 09:53:17,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e54e08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:53:17, skipping insertion in model container [2020-10-14 09:53:17,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:02" (2/3) ... [2020-10-14 09:53:17,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e54e08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:53:17, skipping insertion in model container [2020-10-14 09:53:17,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:53:17" (3/3) ... [2020-10-14 09:53:17,511 INFO L109 eAbstractionObserver]: Analyzing ICFG rekh_ctm.2-1.c [2020-10-14 09:53:17,522 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 09:53:17,531 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 09:53:17,545 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 09:53:17,579 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 09:53:17,579 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 09:53:17,579 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 09:53:17,579 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 09:53:17,580 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 09:53:17,580 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 09:53:17,580 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 09:53:17,580 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 09:53:17,639 INFO L276 IsEmpty]: Start isEmpty. Operand 2578 states. [2020-10-14 09:53:17,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-14 09:53:17,655 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 09:53:17,656 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] [2020-10-14 09:53:17,656 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 09:53:17,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 09:53:17,662 INFO L82 PathProgramCache]: Analyzing trace with hash 187335920, now seen corresponding path program 1 times [2020-10-14 09:53:17,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 09:53:17,671 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [394319732] [2020-10-14 09:53:17,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 09:53:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:53:18,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:18,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:18,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:18,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:19,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:19,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:19,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:19,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:19,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:19,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:19,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:19,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:20,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:33,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:53:33,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-14 09:53:33,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-14 09:53:33,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14861 [2020-10-14 09:53:33,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:53:33,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:53:33,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:53:33,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 09:53:33,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:53:33,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 09:53:34,354 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 481 [2020-10-14 09:53:34,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 09:53:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:53:34,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:34,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:53:34,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 09:53:34,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:53:34,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-14 09:53:34,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:53:34,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:53:34,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:53:34,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:53:34,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:53:34,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 09:53:34,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 09:53:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:53:34,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:34,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:53:34,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 09:53:34,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:53:34,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 09:53:34,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:53:34,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:53:34,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:53:34,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:53:34,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:53:34,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:53:34,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 09:53:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:53:34,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:34,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:53:34,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 09:53:34,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:53:34,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 09:53:34,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:53:34,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:53:34,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:53:34,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:53:34,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:53:34,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:53:34,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 09:53:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:53:34,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:34,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:34,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:34,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:34,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:34,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:34,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:34,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:34,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:34,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:34,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:34,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:34,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:34,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:34,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:34,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:34,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:34,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:34,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:34,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:35,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:35,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:35,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:35,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:35,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:35,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:35,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:35,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:35,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:35,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:35,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:35,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:35,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:35,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:35,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:35,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:35,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:35,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:35,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:36,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:36,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:36,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:36,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:53:36,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 09:53:36,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 42 [2020-10-14 09:53:36,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2346 [2020-10-14 09:53:36,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:53:36,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:53:36,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:53:36,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-14 09:53:36,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:53:36,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:53:37,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-14 09:53:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:53:37,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:38,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:53:38,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 09:53:38,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:53:38,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1125 [2020-10-14 09:53:38,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:53:38,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:53:38,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:53:38,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 09:53:38,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:53:38,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:53:38,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 09:53:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:53:38,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:38,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:38,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:53:38,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 09:53:38,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 09:53:38,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 09:53:38,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:53:38,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:53:38,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:53:38,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 09:53:38,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:53:38,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:53:38,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 09:53:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:53:38,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:38,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:53:38,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 09:53:38,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:53:38,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 09:53:38,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:53:38,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:53:38,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:53:38,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:53:38,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:53:38,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:53:38,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 09:53:38,466 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [394319732] [2020-10-14 09:53:38,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 09:53:38,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 09:53:38,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028937688] [2020-10-14 09:53:38,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 09:53:38,475 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 09:53:38,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 09:53:38,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 09:53:38,493 INFO L87 Difference]: Start difference. First operand 2578 states. Second operand 6 states. [2020-10-14 09:53:39,796 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 484 [2020-10-14 09:54:40,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 09:54:40,941 INFO L93 Difference]: Finished difference Result 5971 states and 9802 transitions. [2020-10-14 09:54:40,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 09:54:40,943 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2020-10-14 09:54:40,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 09:54:41,003 INFO L225 Difference]: With dead ends: 5971 [2020-10-14 09:54:41,003 INFO L226 Difference]: Without dead ends: 3403 [2020-10-14 09:54:41,041 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-14 09:54:41,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3403 states. [2020-10-14 09:54:41,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3403 to 2550. [2020-10-14 09:54:41,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2550 states. [2020-10-14 09:54:41,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2550 states to 2550 states and 3126 transitions. [2020-10-14 09:54:41,603 INFO L78 Accepts]: Start accepts. Automaton has 2550 states and 3126 transitions. Word has length 163 [2020-10-14 09:54:41,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 09:54:41,604 INFO L479 AbstractCegarLoop]: Abstraction has 2550 states and 3126 transitions. [2020-10-14 09:54:41,604 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 09:54:41,604 INFO L276 IsEmpty]: Start isEmpty. Operand 2550 states and 3126 transitions. [2020-10-14 09:54:41,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-14 09:54:41,615 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 09:54:41,616 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] [2020-10-14 09:54:41,616 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 09:54:41,616 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 09:54:41,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 09:54:41,617 INFO L82 PathProgramCache]: Analyzing trace with hash -459862331, now seen corresponding path program 1 times [2020-10-14 09:54:41,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 09:54:41,617 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [259479896] [2020-10-14 09:54:41,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 09:54:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:54:42,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:42,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:05,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:23,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:55:23,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-14 09:55:23,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 09:55:23,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41459 [2020-10-14 09:55:23,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:55:23,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:55:23,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 09:55:23,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-14 09:55:23,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 09:55:23,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 09:55:24,458 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 481 [2020-10-14 09:55:24,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 09:55:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:55:24,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:24,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:55:24,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 09:55:24,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:55:24,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-14 09:55:24,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:55:24,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:55:24,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:55:24,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:55:24,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:55:24,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:55:24,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 09:55:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:55:24,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:24,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:55:24,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 09:55:24,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:55:24,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 09:55:24,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:55:24,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:55:24,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:55:24,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:55:24,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:55:24,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:55:24,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 09:55:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:55:24,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:24,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:55:24,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 09:55:24,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:55:24,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 09:55:24,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:55:24,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:55:24,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:55:24,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:55:24,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:55:24,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:55:24,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 09:55:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:55:24,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:24,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:25,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:30,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:55:30,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 09:55:30,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 09:55:30,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5450 [2020-10-14 09:55:30,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:55:30,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:55:30,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:55:30,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:55:30,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:55:30,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:55:30,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-14 09:55:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:55:30,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:31,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:55:31,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 09:55:31,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:55:31,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1271 [2020-10-14 09:55:31,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:55:31,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:55:31,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:55:31,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:55:31,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:55:31,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:55:31,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 09:55:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:55:31,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:31,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:31,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:31,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:31,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:31,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:36,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:55:36,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 09:55:36,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 09:55:36,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 09:55:36,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:55:36,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:55:36,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 09:55:36,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 09:55:36,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 09:55:36,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 09:55:36,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 09:55:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:55:36,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:36,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:55:36,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 09:55:36,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:55:36,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 09:55:36,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:55:36,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:55:36,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 09:55:36,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:55:36,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 09:55:36,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:55:36,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 09:55:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:55:36,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:36,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:36,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:55:36,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 09:55:36,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 09:55:36,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 09:55:36,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:55:36,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:55:36,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 09:55:36,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:55:36,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 09:55:36,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 09:55:36,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 09:55:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:55:36,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:36,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:36,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:36,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:55:36,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 09:55:36,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 09:55:36,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-14 09:55:36,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:55:36,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:55:36,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 09:55:36,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:55:36,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 09:55:36,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 09:55:36,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 09:55:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:55:36,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:36,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:55:36,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 09:55:36,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:55:36,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 09:55:36,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:55:36,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:55:36,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:55:36,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:55:36,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:55:36,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:55:36,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 09:55:36,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:55:36,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:36,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:55:36,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 09:55:36,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:55:36,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 09:55:36,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:55:36,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:55:36,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:55:36,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:55:36,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:55:36,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 09:55:36,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 09:55:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:55:36,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:36,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:55:36,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 09:55:36,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:55:36,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 09:55:36,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:55:36,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:55:36,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:55:36,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:55:36,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:55:36,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:55:36,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 09:55:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:55:36,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:36,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:36,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:55:36,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 09:55:36,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 09:55:36,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 09:55:36,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:55:36,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:55:36,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 09:55:36,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:55:36,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 09:55:36,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 09:55:36,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-14 09:55:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:55:36,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:36,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:36,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:55:36,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 09:55:36,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 09:55:36,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 09:55:36,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:55:36,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:55:36,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 09:55:36,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:55:36,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 09:55:36,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 09:55:36,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-14 09:55:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:55:36,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:36,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:55:36,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 09:55:36,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:55:36,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 09:55:36,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:55:36,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:55:36,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 09:55:36,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 09:55:36,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 09:55:36,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 09:55:37,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 09:55:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:55:37,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:37,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:55:37,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 09:55:37,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:55:37,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 09:55:37,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:55:37,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:55:37,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 09:55:37,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:55:37,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 09:55:37,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 09:55:37,158 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 09:55:37,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [259479896] [2020-10-14 09:55:37,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 09:55:37,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 09:55:37,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390920043] [2020-10-14 09:55:37,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 09:55:37,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 09:55:37,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 09:55:37,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-14 09:55:37,162 INFO L87 Difference]: Start difference. First operand 2550 states and 3126 transitions. Second operand 11 states. [2020-10-14 09:55:38,217 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 484 [2020-10-14 09:55:40,290 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 488 [2020-10-14 09:55:41,729 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 485 [2020-10-14 09:55:52,552 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 489 [2020-10-14 09:55:56,056 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 493 DAG size of output: 491 [2020-10-14 09:55:57,770 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 486