/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.1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 09:52:35,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 09:52:35,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 09:52:35,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 09:52:35,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 09:52:35,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 09:52:35,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 09:52:35,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 09:52:35,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 09:52:35,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 09:52:35,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 09:52:35,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 09:52:35,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 09:52:35,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 09:52:35,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 09:52:35,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 09:52:35,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 09:52:35,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 09:52:35,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 09:52:35,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 09:52:35,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 09:52:35,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 09:52:35,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 09:52:35,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 09:52:35,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 09:52:35,902 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 09:52:35,902 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 09:52:35,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 09:52:35,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 09:52:35,911 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 09:52:35,911 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 09:52:35,911 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 09:52:35,912 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 09:52:35,913 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 09:52:35,914 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 09:52:35,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 09:52:35,914 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 09:52:35,915 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 09:52:35,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 09:52:35,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 09:52:35,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 09:52:35,917 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 09:52:35,940 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 09:52:35,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 09:52:35,942 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 09:52:35,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 09:52:35,942 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 09:52:35,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 09:52:35,943 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 09:52:35,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 09:52:35,943 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 09:52:35,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 09:52:35,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 09:52:35,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 09:52:35,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 09:52:35,944 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 09:52:35,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 09:52:35,945 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 09:52:35,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 09:52:35,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 09:52:35,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 09:52:35,946 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 09:52:35,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 09:52:35,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 09:52:35,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 09:52:35,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 09:52:35,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 09:52:35,947 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 09:52:35,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 09:52:35,947 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 09:52:35,947 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 09:52:35,948 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 09:52:36,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 09:52:36,266 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 09:52:36,270 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 09:52:36,272 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 09:52:36,272 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 09:52:36,273 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.1.c [2020-10-14 09:52:36,338 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bf5194190/cb9d24f1c72e4c87bd9281c25e06a1e2/FLAG299d070c4 [2020-10-14 09:52:37,093 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 09:52:37,094 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.1.c [2020-10-14 09:52:37,118 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bf5194190/cb9d24f1c72e4c87bd9281c25e06a1e2/FLAG299d070c4 [2020-10-14 09:52:37,182 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bf5194190/cb9d24f1c72e4c87bd9281c25e06a1e2 [2020-10-14 09:52:37,190 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 09:52:37,192 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 09:52:37,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 09:52:37,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 09:52:37,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 09:52:37,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:52:37" (1/1) ... [2020-10-14 09:52:37,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@489556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:52:37, skipping insertion in model container [2020-10-14 09:52:37,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:52:37" (1/1) ... [2020-10-14 09:52:37,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 09:52:37,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 09:52:38,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 09:52:38,331 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 09:52:38,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 09:52:38,865 INFO L208 MainTranslator]: Completed translation [2020-10-14 09:52:38,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:52:38 WrapperNode [2020-10-14 09:52:38,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 09:52:38,867 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 09:52:38,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 09:52:38,867 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 09:52:38,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:52:38" (1/1) ... [2020-10-14 09:52:38,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:52:38" (1/1) ... [2020-10-14 09:52:38,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:52:38" (1/1) ... [2020-10-14 09:52:38,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:52:38" (1/1) ... [2020-10-14 09:52:39,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:52:38" (1/1) ... [2020-10-14 09:52:39,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:52:38" (1/1) ... [2020-10-14 09:52:39,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:52:38" (1/1) ... [2020-10-14 09:52:39,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 09:52:39,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 09:52:39,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 09:52:39,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 09:52:39,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:52:38" (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 09:52:39,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 09:52:39,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 09:52:39,378 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-14 09:52:39,378 INFO L138 BoogieDeclarations]: Found implementation of procedure calibrate [2020-10-14 09:52:39,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2020-10-14 09:52:39,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-14 09:52:39,379 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2020-10-14 09:52:39,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_is_ENTER_button_pressed [2020-10-14 09:52:39,380 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2020-10-14 09:52:39,381 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2020-10-14 09:52:39,381 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2020-10-14 09:52:39,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_light [2020-10-14 09:52:39,381 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2020-10-14 09:52:39,381 INFO L138 BoogieDeclarations]: Found implementation of procedure transition [2020-10-14 09:52:39,382 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-14 09:52:39,383 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2020-10-14 09:52:39,383 INFO L138 BoogieDeclarations]: Found implementation of procedure Controller [2020-10-14 09:52:39,383 INFO L138 BoogieDeclarations]: Found implementation of procedure Reader [2020-10-14 09:52:39,383 INFO L138 BoogieDeclarations]: Found implementation of procedure Writer [2020-10-14 09:52:39,383 INFO L138 BoogieDeclarations]: Found implementation of procedure TapeMover [2020-10-14 09:52:39,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2020-10-14 09:52:39,384 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperController [2020-10-14 09:52:39,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2020-10-14 09:52:39,384 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperTapeMover [2020-10-14 09:52:39,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2020-10-14 09:52:39,385 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperReader [2020-10-14 09:52:39,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2020-10-14 09:52:39,386 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperWriter [2020-10-14 09:52:39,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2020-10-14 09:52:39,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2020-10-14 09:52:39,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2020-10-14 09:52:39,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2020-10-14 09:52:39,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2020-10-14 09:52:39,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2020-10-14 09:52:39,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2020-10-14 09:52:39,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2020-10-14 09:52:39,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2020-10-14 09:52:39,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2020-10-14 09:52:39,387 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 09:52:39,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2020-10-14 09:52:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2020-10-14 09:52:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2020-10-14 09:52:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2020-10-14 09:52:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2020-10-14 09:52:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2020-10-14 09:52:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2020-10-14 09:52:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-14 09:52:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2020-10-14 09:52:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2020-10-14 09:52:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2020-10-14 09:52:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_dir [2020-10-14 09:52:39,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_read [2020-10-14 09:52:39,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2020-10-14 09:52:39,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2020-10-14 09:52:39,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2020-10-14 09:52:39,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2020-10-14 09:52:39,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2020-10-14 09:52:39,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Controller [2020-10-14 09:52:39,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-14 09:52:39,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Reader [2020-10-14 09:52:39,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Writer [2020-10-14 09:52:39,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2020-10-14 09:52:39,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2020-10-14 09:52:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_speed [2020-10-14 09:52:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2020-10-14 09:52:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_speed [2020-10-14 09:52:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2020-10-14 09:52:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_speed [2020-10-14 09:52:39,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-14 09:52:39,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_mode [2020-10-14 09:52:39,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2020-10-14 09:52:39,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2020-10-14 09:52:39,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2020-10-14 09:52:39,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2020-10-14 09:52:39,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2020-10-14 09:52:39,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_threshold [2020-10-14 09:52:39,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2020-10-14 09:52:39,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2020-10-14 09:52:39,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2020-10-14 09:52:39,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Controller [2020-10-14 09:52:39,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-14 09:52:39,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Reader [2020-10-14 09:52:39,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Writer [2020-10-14 09:52:39,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2020-10-14 09:52:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 09:52:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2020-10-14 09:52:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2020-10-14 09:52:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2020-10-14 09:52:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2020-10-14 09:52:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2020-10-14 09:52:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2020-10-14 09:52:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-14 09:52:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-14 09:52:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 09:52:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-14 09:52:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-14 09:52:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2020-10-14 09:52:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2020-10-14 09:52:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 09:52:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-14 09:52:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2020-10-14 09:52:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2020-10-14 09:52:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2020-10-14 09:52:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2020-10-14 09:52:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2020-10-14 09:52:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_speed [2020-10-14 09:52:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2020-10-14 09:52:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2020-10-14 09:52:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2020-10-14 09:52:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_speed [2020-10-14 09:52:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2020-10-14 09:52:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2020-10-14 09:52:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2020-10-14 09:52:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_speed [2020-10-14 09:52:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure calibrate [2020-10-14 09:52:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-14 09:52:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-14 09:52:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2020-10-14 09:52:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_mode [2020-10-14 09:52:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2020-10-14 09:52:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-14 09:52:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2020-10-14 09:52:39,406 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_is_ENTER_button_pressed [2020-10-14 09:52:39,406 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2020-10-14 09:52:39,407 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2020-10-14 09:52:39,408 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2020-10-14 09:52:39,411 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_light [2020-10-14 09:52:39,411 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2020-10-14 09:52:39,411 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2020-10-14 09:52:39,411 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2020-10-14 09:52:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2020-10-14 09:52:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2020-10-14 09:52:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_dir [2020-10-14 09:52:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2020-10-14 09:52:39,413 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_read [2020-10-14 09:52:39,413 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2020-10-14 09:52:39,414 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2020-10-14 09:52:39,414 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2020-10-14 09:52:39,414 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2020-10-14 09:52:39,414 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_threshold [2020-10-14 09:52:39,414 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2020-10-14 09:52:39,414 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2020-10-14 09:52:39,415 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2020-10-14 09:52:39,422 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2020-10-14 09:52:39,422 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2020-10-14 09:52:39,422 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2020-10-14 09:52:39,422 INFO L130 BoogieDeclarations]: Found specification of procedure transition [2020-10-14 09:52:39,423 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-14 09:52:39,423 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2020-10-14 09:52:39,423 INFO L130 BoogieDeclarations]: Found specification of procedure Controller [2020-10-14 09:52:39,424 INFO L130 BoogieDeclarations]: Found specification of procedure Reader [2020-10-14 09:52:39,424 INFO L130 BoogieDeclarations]: Found specification of procedure Writer [2020-10-14 09:52:39,424 INFO L130 BoogieDeclarations]: Found specification of procedure TapeMover [2020-10-14 09:52:39,424 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Controller [2020-10-14 09:52:39,424 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Controller [2020-10-14 09:52:39,424 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2020-10-14 09:52:39,424 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperController [2020-10-14 09:52:39,424 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-14 09:52:39,424 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-14 09:52:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2020-10-14 09:52:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperTapeMover [2020-10-14 09:52:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Reader [2020-10-14 09:52:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Reader [2020-10-14 09:52:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2020-10-14 09:52:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperReader [2020-10-14 09:52:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Writer [2020-10-14 09:52:39,426 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Writer [2020-10-14 09:52:39,426 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2020-10-14 09:52:39,426 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperWriter [2020-10-14 09:52:39,426 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2020-10-14 09:52:39,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 09:52:39,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 09:52:39,427 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2020-10-14 09:52:39,427 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2020-10-14 09:52:39,427 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2020-10-14 09:52:39,427 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2020-10-14 09:52:39,427 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 09:52:39,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 09:52:39,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 09:52:39,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 09:52:39,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 09:52:39,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 09:52:56,636 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 09:52:56,636 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-14 09:52:56,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:52:56 BoogieIcfgContainer [2020-10-14 09:52:56,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 09:52:56,652 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 09:52:56,652 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 09:52:56,655 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 09:52:56,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:52:37" (1/3) ... [2020-10-14 09:52:56,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@291a0679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:52:56, skipping insertion in model container [2020-10-14 09:52:56,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:52:38" (2/3) ... [2020-10-14 09:52:56,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@291a0679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:52:56, skipping insertion in model container [2020-10-14 09:52:56,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:52:56" (3/3) ... [2020-10-14 09:52:56,659 INFO L109 eAbstractionObserver]: Analyzing ICFG rekh_ctm.1.c [2020-10-14 09:52:56,669 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 09:52:56,678 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 09:52:56,692 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 09:52:56,725 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 09:52:56,725 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 09:52:56,726 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 09:52:56,726 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 09:52:56,726 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 09:52:56,726 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 09:52:56,726 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 09:52:56,726 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 09:52:56,781 INFO L276 IsEmpty]: Start isEmpty. Operand 2588 states. [2020-10-14 09:52:56,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-14 09:52:56,798 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 09:52:56,799 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 09:52:56,800 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 09:52:56,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 09:52:56,806 INFO L82 PathProgramCache]: Analyzing trace with hash -954162422, now seen corresponding path program 1 times [2020-10-14 09:52:56,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 09:52:56,815 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1353950197] [2020-10-14 09:52:56,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 09:52:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:52:57,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:52:57,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:52:57,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:52:58,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:52:58,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:52:58,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:52:58,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:52:58,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:52:58,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:52:58,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:52:58,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:52:58,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:52:58,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:06,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:53:06,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-14 09:53:06,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-14 09:53:06,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9222 [2020-10-14 09:53:06,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:53:06,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:53:06,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:53:06,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 09:53:06,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:53:06,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 09:53:08,231 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 481 [2020-10-14 09:53:08,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 09:53:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:53:08,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:08,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:53:08,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 09:53:08,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:53:08,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-14 09:53:08,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:53:08,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:53:08,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:53:08,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:53:08,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:53:08,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:53:08,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 09:53:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:53:08,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:08,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:53:08,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 09:53:08,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:53:08,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 09:53:08,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:53:08,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:53:08,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:53:08,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:53:08,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:53:08,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:53:08,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 09:53:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:53:08,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:08,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:53:08,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 09:53:08,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:53:08,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 09:53:08,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:53:08,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:53:08,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:53:08,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:53:08,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:53:08,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:53:08,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 09:53:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:53:08,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:08,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:08,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:08,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:08,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:08,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:08,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:08,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:08,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:08,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:08,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:08,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:08,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:08,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:08,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:08,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:08,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:08,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:08,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:08,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:09,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:09,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:09,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:09,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:09,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:09,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:09,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:09,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:09,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:09,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:09,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:09,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:09,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:09,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:09,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:09,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:09,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:09,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:10,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:10,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:10,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:10,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:10,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:10,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:53:10,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 09:53:10,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 43 [2020-10-14 09:53:10,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1936 [2020-10-14 09:53:10,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:53:10,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:53:10,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:53:10,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 09:53:10,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:53:10,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:53:10,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-14 09:53:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:53:10,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:11,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:53:11,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 09:53:11,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:53:11,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 900 [2020-10-14 09:53:11,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:53:11,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:53:11,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:53:11,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 09:53:11,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:53:11,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:53:11,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 09:53:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:53:11,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:11,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:11,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:53:11,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 09:53:11,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 09:53:11,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 09:53:11,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:53:11,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:53:11,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:53:11,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 09:53:11,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:53:11,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:53:11,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 09:53:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:53:11,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:53:11,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:53:11,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 09:53:11,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:53:11,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 09:53:11,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:53:11,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:53:11,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:53:11,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:53:11,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:53:11,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:53:11,628 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 09:53:11,629 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1353950197] [2020-10-14 09:53:11,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 09:53:11,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 09:53:11,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718583845] [2020-10-14 09:53:11,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 09:53:11,638 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 09:53:11,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 09:53:11,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 09:53:11,656 INFO L87 Difference]: Start difference. First operand 2588 states. Second operand 6 states. [2020-10-14 09:53:13,134 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 484 [2020-10-14 09:54:09,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 09:54:09,095 INFO L93 Difference]: Finished difference Result 6021 states and 9911 transitions. [2020-10-14 09:54:09,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 09:54:09,098 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2020-10-14 09:54:09,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 09:54:09,161 INFO L225 Difference]: With dead ends: 6021 [2020-10-14 09:54:09,162 INFO L226 Difference]: Without dead ends: 3443 [2020-10-14 09:54:09,196 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-14 09:54:09,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3443 states. [2020-10-14 09:54:09,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3443 to 2560. [2020-10-14 09:54:09,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2560 states. [2020-10-14 09:54:09,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 2560 states and 3143 transitions. [2020-10-14 09:54:09,731 INFO L78 Accepts]: Start accepts. Automaton has 2560 states and 3143 transitions. Word has length 163 [2020-10-14 09:54:09,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 09:54:09,732 INFO L479 AbstractCegarLoop]: Abstraction has 2560 states and 3143 transitions. [2020-10-14 09:54:09,732 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 09:54:09,732 INFO L276 IsEmpty]: Start isEmpty. Operand 2560 states and 3143 transitions. [2020-10-14 09:54:09,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-14 09:54:09,747 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 09:54:09,749 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 09:54:09,750 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 09:54:09,750 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 09:54:09,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 09:54:09,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1843100593, now seen corresponding path program 1 times [2020-10-14 09:54:09,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 09:54:09,792 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [541518937] [2020-10-14 09:54:09,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 09:54:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:54:10,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:10,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:36,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:57,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:54:57,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-14 09:54:57,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 09:54:57,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47447 [2020-10-14 09:54:57,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:54:57,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:54:57,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 09:54:57,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-14 09:54:57,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 09:54:57,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 09:54:59,185 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 481 [2020-10-14 09:54:59,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 09:54:59,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:54:59,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:59,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:54:59,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 09:54:59,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:54:59,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-14 09:54:59,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:54:59,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:54:59,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:54:59,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:54:59,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:54:59,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:54:59,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 09:54:59,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:54:59,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:59,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:54:59,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 09:54:59,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:54:59,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 09:54:59,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:54:59,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:54:59,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:54:59,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:54:59,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:54:59,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:54:59,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 09:54:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:54:59,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:59,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:54:59,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 09:54:59,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:54:59,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 09:54:59,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:54:59,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:54:59,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:54:59,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:54:59,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:54:59,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 09:54:59,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 09:54:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:54:59,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:54:59,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:00,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:04,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:55:04,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 09:55:04,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 09:55:04,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5368 [2020-10-14 09:55:04,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:55:04,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:55:04,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:55:04,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:55:04,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:55:04,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 09:55:04,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-14 09:55:04,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:55:04,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:05,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:55:05,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 09:55:05,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:55:05,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 604 [2020-10-14 09:55:05,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:55:05,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:55:05,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:55:05,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:55:05,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:55:05,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 09:55:05,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 09:55:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:55:05,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:05,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:05,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:05,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:05,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:05,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:10,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:55:10,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 09:55:10,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 09:55:10,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 09:55:10,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:55:10,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:55:10,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 09:55:10,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 09:55:10,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 09:55:10,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:55:10,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 09:55:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:55:10,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:10,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:55:10,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 09:55:10,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:55:10,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 09:55:10,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:55:10,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:55:10,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 09:55:10,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:55:10,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 09:55:10,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:55:10,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 09:55:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:55:10,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:10,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:10,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:55:10,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 09:55:10,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 09:55:10,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 09:55:10,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:55:10,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:55:10,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 09:55:10,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:55:10,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 09:55:10,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:55:10,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 09:55:10,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:55:10,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:10,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:10,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:10,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:55:10,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 09:55:10,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 09:55:10,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-14 09:55:10,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:55:10,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:55:10,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 09:55:10,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:55:10,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 09:55:10,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:55:10,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 09:55:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:55:10,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:10,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:55:10,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 09:55:10,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:55:10,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 09:55:10,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:55:10,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:55:10,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:55:10,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:55:10,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:55:10,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:55:10,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 09:55:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:55:10,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:10,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:55:10,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 09:55:10,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:55:10,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 09:55:10,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:55:10,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:55:10,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:55:10,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:55:10,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:55:10,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:55:10,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 09:55:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:55:10,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:10,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:55:10,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 09:55:10,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:55:10,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 09:55:10,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:55:10,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:55:10,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 09:55:10,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:55:10,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 09:55:10,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:55:10,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 09:55:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:55:10,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:10,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:10,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:55:10,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 09:55:10,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 09:55:10,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 09:55:10,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:55:10,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:55:10,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 09:55:10,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:55:10,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 09:55:10,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:55:10,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-14 09:55:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:55:10,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:10,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:10,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:55:10,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 09:55:10,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 09:55:10,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 09:55:10,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:55:10,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:55:10,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 09:55:10,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:55:10,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 09:55:10,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 09:55:10,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-14 09:55:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:55:10,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:10,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:55:10,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 09:55:10,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:55:10,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 09:55:10,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:55:10,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:55:10,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 09:55:10,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 09:55:10,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 09:55:10,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:55:10,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 09:55:10,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 09:55:10,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 09:55:10,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 09:55:10,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 09:55:10,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 09:55:10,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 09:55:10,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 09:55:10,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 09:55:10,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 09:55:10,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 09:55:10,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 09:55:10,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 09:55:11,032 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 09:55:11,034 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [541518937] [2020-10-14 09:55:11,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 09:55:11,035 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 09:55:11,035 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407383183] [2020-10-14 09:55:11,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 09:55:11,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 09:55:11,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 09:55:11,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-14 09:55:11,039 INFO L87 Difference]: Start difference. First operand 2560 states and 3143 transitions. Second operand 11 states. [2020-10-14 09:55:12,451 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 484 [2020-10-14 09:55:15,033 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 488 [2020-10-14 09:55:16,809 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 485 [2020-10-14 09:55:29,678 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 489 [2020-10-14 09:55:34,204 WARN L193 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 492 DAG size of output: 491 [2020-10-14 09:55:36,447 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 486