/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/transmitter.06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 21:11:31,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 21:11:31,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 21:11:31,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 21:11:31,278 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 21:11:31,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 21:11:31,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 21:11:31,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 21:11:31,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 21:11:31,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 21:11:31,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 21:11:31,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 21:11:31,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 21:11:31,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 21:11:31,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 21:11:31,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 21:11:31,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 21:11:31,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 21:11:31,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 21:11:31,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 21:11:31,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 21:11:31,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 21:11:31,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 21:11:31,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 21:11:31,329 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 21:11:31,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 21:11:31,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 21:11:31,332 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 21:11:31,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 21:11:31,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 21:11:31,334 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 21:11:31,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 21:11:31,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 21:11:31,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 21:11:31,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 21:11:31,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 21:11:31,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 21:11:31,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 21:11:31,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 21:11:31,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 21:11:31,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 21:11:31,342 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 21:11:31,382 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 21:11:31,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 21:11:31,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 21:11:31,384 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 21:11:31,384 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 21:11:31,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 21:11:31,385 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 21:11:31,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 21:11:31,385 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 21:11:31,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 21:11:31,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 21:11:31,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 21:11:31,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 21:11:31,387 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 21:11:31,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 21:11:31,388 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 21:11:31,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 21:11:31,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 21:11:31,388 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 21:11:31,389 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 21:11:31,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 21:11:31,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 21:11:31,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 21:11:31,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 21:11:31,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 21:11:31,390 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 21:11:31,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 21:11:31,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 21:11:31,390 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 21:11:31,391 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 21:11:31,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 21:11:31,740 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 21:11:31,744 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 21:11:31,745 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 21:11:31,746 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 21:11:31,747 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.06.cil.c [2020-10-12 21:11:31,808 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/89eec600f/a0e084363168448995cd868a4bfd2b22/FLAGdf1669f4e [2020-10-12 21:11:32,290 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 21:11:32,291 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.06.cil.c [2020-10-12 21:11:32,303 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/89eec600f/a0e084363168448995cd868a4bfd2b22/FLAGdf1669f4e [2020-10-12 21:11:32,613 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/89eec600f/a0e084363168448995cd868a4bfd2b22 [2020-10-12 21:11:32,622 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 21:11:32,624 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 21:11:32,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 21:11:32,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 21:11:32,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 21:11:32,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:11:32" (1/1) ... [2020-10-12 21:11:32,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55b664dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:32, skipping insertion in model container [2020-10-12 21:11:32,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:11:32" (1/1) ... [2020-10-12 21:11:32,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 21:11:32,707 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 21:11:32,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:11:32,985 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 21:11:33,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:11:33,156 INFO L208 MainTranslator]: Completed translation [2020-10-12 21:11:33,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:33 WrapperNode [2020-10-12 21:11:33,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 21:11:33,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 21:11:33,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 21:11:33,158 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 21:11:33,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:33" (1/1) ... [2020-10-12 21:11:33,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:33" (1/1) ... [2020-10-12 21:11:33,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:33" (1/1) ... [2020-10-12 21:11:33,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:33" (1/1) ... [2020-10-12 21:11:33,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:33" (1/1) ... [2020-10-12 21:11:33,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:33" (1/1) ... [2020-10-12 21:11:33,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:33" (1/1) ... [2020-10-12 21:11:33,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 21:11:33,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 21:11:33,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 21:11:33,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 21:11:33,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:33" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 21:11:33,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 21:11:33,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 21:11:33,285 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-12 21:11:33,286 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-12 21:11:33,286 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-12 21:11:33,286 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-12 21:11:33,286 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-12 21:11:33,286 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-12 21:11:33,286 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-12 21:11:33,286 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-12 21:11:33,287 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-12 21:11:33,287 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-12 21:11:33,287 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-12 21:11:33,287 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-12 21:11:33,287 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-12 21:11:33,287 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-12 21:11:33,288 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-12 21:11:33,288 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-12 21:11:33,288 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-12 21:11:33,288 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-12 21:11:33,288 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-12 21:11:33,288 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-12 21:11:33,288 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-12 21:11:33,289 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-12 21:11:33,289 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-12 21:11:33,289 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-12 21:11:33,289 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-12 21:11:33,289 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-12 21:11:33,289 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-12 21:11:33,290 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-12 21:11:33,290 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 21:11:33,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 21:11:33,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 21:11:33,290 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-12 21:11:33,290 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-12 21:11:33,290 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-12 21:11:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-12 21:11:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-12 21:11:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-12 21:11:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-12 21:11:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-12 21:11:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-12 21:11:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-12 21:11:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-12 21:11:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-12 21:11:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-12 21:11:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-12 21:11:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-12 21:11:33,293 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-12 21:11:33,293 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-12 21:11:33,293 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-12 21:11:33,293 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-12 21:11:33,293 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-12 21:11:33,293 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-12 21:11:33,293 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-12 21:11:33,294 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-12 21:11:33,294 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-12 21:11:33,294 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-12 21:11:33,294 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-12 21:11:33,294 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-12 21:11:33,294 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-12 21:11:33,295 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 21:11:33,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 21:11:33,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 21:11:34,092 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 21:11:34,092 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-12 21:11:34,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:11:34 BoogieIcfgContainer [2020-10-12 21:11:34,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 21:11:34,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 21:11:34,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 21:11:34,104 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 21:11:34,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 09:11:32" (1/3) ... [2020-10-12 21:11:34,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eafecb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:11:34, skipping insertion in model container [2020-10-12 21:11:34,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:33" (2/3) ... [2020-10-12 21:11:34,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eafecb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:11:34, skipping insertion in model container [2020-10-12 21:11:34,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:11:34" (3/3) ... [2020-10-12 21:11:34,108 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.06.cil.c [2020-10-12 21:11:34,120 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 21:11:34,129 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 21:11:34,144 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 21:11:34,172 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 21:11:34,173 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 21:11:34,173 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 21:11:34,173 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 21:11:34,174 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 21:11:34,174 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 21:11:34,174 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 21:11:34,174 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 21:11:34,202 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states. [2020-10-12 21:11:34,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-12 21:11:34,220 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:11:34,222 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] [2020-10-12 21:11:34,222 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:11:34,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:11:34,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1616556766, now seen corresponding path program 1 times [2020-10-12 21:11:34,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:11:34,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [956475312] [2020-10-12 21:11:34,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:11:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:34,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:34,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:35,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:35,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:35,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:36,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:36,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:36,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:36,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:39,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:39,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-12 21:11:39,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 21:11:39,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-12 21:11:39,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:39,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:11:39,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:11:39,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-12 21:11:39,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 21:11:39,820 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-12 21:11:39,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:11:39,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:39,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:39,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:39,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:11:39,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:39,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 21:11:39,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:39,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:39,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:39,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:11:39,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:39,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:11:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:39,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:39,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:39,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:11:39,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:39,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:11:39,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:39,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:39,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:39,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:11:39,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:39,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:11:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:39,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:39,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:39,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:11:39,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:39,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:11:39,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:39,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:39,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:39,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:11:39,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:39,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:11:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:39,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:39,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:39,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 21:11:39,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:39,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:11:39,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:39,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:39,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:39,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 21:11:39,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:39,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:11:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:39,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:40,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:40,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:11:40,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:40,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 21:11:40,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:40,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:11:40,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:11:40,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 21:11:40,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:40,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 21:11:40,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:40,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:40,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:40,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:40,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:41,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:41,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:11:41,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 21:11:41,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1065 [2020-10-12 21:11:41,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:41,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:11:41,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-12 21:11:41,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:11:41,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:41,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:11:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:41,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:41,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:41,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:41,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:41,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:11:41,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:41,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:41,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:41,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:41,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:41,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:11:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:41,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:41,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:41,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:41,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:41,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:11:41,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:41,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:41,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:41,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:41,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:41,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:11:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:41,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:41,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:41,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:41,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:41,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:11:41,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:41,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:41,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:41,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:41,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:41,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:11:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:41,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:41,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:41,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:41,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:41,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:11:41,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:41,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:41,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:41,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:41,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:41,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:11:41,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:41,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:41,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:41,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:41,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:41,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:41,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:41,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:41,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:41,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:41,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:41,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:11:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:41,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:41,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:41,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:41,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:41,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:41,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:41,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:41,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:41,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:41,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:41,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:11:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:41,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:41,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:41,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:41,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:41,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:11:41,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:41,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:11:41,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:41,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:11:41,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:41,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 21:11:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:41,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:41,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:41,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:11:41,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:41,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:11:41,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:41,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:41,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 21:11:41,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:41,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:41,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 21:11:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:41,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:41,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:41,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:11:41,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:41,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:11:41,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:41,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:41,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:11:41,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:41,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:41,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:11:41,396 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [956475312] [2020-10-12 21:11:41,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:11:41,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-12 21:11:41,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085087235] [2020-10-12 21:11:41,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 21:11:41,411 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:11:41,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 21:11:41,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-12 21:11:41,433 INFO L87 Difference]: Start difference. First operand 289 states. Second operand 12 states. [2020-10-12 21:11:41,633 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-12 21:11:43,295 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-12 21:11:43,445 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-12 21:11:43,833 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-12 21:11:47,288 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-12 21:11:49,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:11:49,327 INFO L93 Difference]: Finished difference Result 1151 states and 1893 transitions. [2020-10-12 21:11:49,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 21:11:49,329 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 150 [2020-10-12 21:11:49,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:11:49,367 INFO L225 Difference]: With dead ends: 1151 [2020-10-12 21:11:49,367 INFO L226 Difference]: Without dead ends: 867 [2020-10-12 21:11:49,381 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=232, Invalid=824, Unknown=0, NotChecked=0, Total=1056 [2020-10-12 21:11:49,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2020-10-12 21:11:49,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 548. [2020-10-12 21:11:49,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2020-10-12 21:11:49,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 781 transitions. [2020-10-12 21:11:49,574 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 781 transitions. Word has length 150 [2020-10-12 21:11:49,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:11:49,574 INFO L479 AbstractCegarLoop]: Abstraction has 548 states and 781 transitions. [2020-10-12 21:11:49,574 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 21:11:49,575 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 781 transitions. [2020-10-12 21:11:49,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-12 21:11:49,580 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:11:49,580 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] [2020-10-12 21:11:49,581 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 21:11:49,581 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:11:49,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:11:49,581 INFO L82 PathProgramCache]: Analyzing trace with hash 935074085, now seen corresponding path program 1 times [2020-10-12 21:11:49,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:11:49,582 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [60732557] [2020-10-12 21:11:49,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:11:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:49,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:49,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:49,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:49,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:49,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:49,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:50,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:50,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:54,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:54,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-12 21:11:54,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 21:11:54,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-12 21:11:54,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:54,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:11:54,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:11:54,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-12 21:11:54,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:54,829 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-12 21:11:54,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:11:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:54,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:54,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:54,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:11:54,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:54,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:11:54,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:54,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:54,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:54,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:11:54,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:54,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:11:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:54,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:54,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:54,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:11:54,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:54,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:11:54,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:54,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:54,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:54,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:11:54,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:54,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:11:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:54,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:54,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:54,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:11:54,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:54,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:11:54,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:54,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:54,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:54,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:11:54,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:54,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:11:54,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:54,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:54,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:54,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 21:11:54,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:54,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:11:54,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:54,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:54,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:54,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 21:11:54,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:54,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:11:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:54,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:54,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:54,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:11:54,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:54,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 21:11:54,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:54,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:11:54,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:11:54,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 21:11:54,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:55,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 21:11:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:55,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:55,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:55,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:55,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:56,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:56,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:11:56,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 21:11:56,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1656 [2020-10-12 21:11:56,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:56,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:11:56,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:11:56,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:11:56,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:56,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:11:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:56,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:56,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:56,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:56,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:56,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:11:56,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:56,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:11:56,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:56,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:11:56,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:56,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:11:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:56,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:56,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:56,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:56,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:56,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:11:56,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:56,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:56,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:11:56,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:56,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:56,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:11:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:56,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:56,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:56,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:56,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:56,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:56,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:56,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:56,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:11:56,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:56,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:56,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:11:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:56,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:56,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:56,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:56,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:56,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:56,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:56,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:56,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:11:56,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:56,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:56,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:11:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:56,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:56,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:56,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:56,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:56,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:56,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:56,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:56,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:11:56,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:56,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:56,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:11:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:56,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:56,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:56,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:56,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:56,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:56,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:56,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:56,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:11:56,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:56,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:56,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:11:56,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:56,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:56,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:56,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:56,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:56,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:11:56,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:56,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:56,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:11:56,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:56,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:56,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 21:11:56,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:56,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:56,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:56,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:11:56,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:56,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:11:56,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:56,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:56,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 21:11:56,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:56,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:56,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 21:11:56,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:56,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:56,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:56,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:11:56,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:56,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:56,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:56,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:56,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:11:56,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:56,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:56,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:11:56,864 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [60732557] [2020-10-12 21:11:56,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:11:56,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:11:56,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357153691] [2020-10-12 21:11:56,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:11:56,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:11:56,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:11:56,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:11:56,868 INFO L87 Difference]: Start difference. First operand 548 states and 781 transitions. Second operand 14 states. [2020-10-12 21:11:57,851 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-12 21:12:01,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:12:01,324 INFO L93 Difference]: Finished difference Result 1387 states and 2106 transitions. [2020-10-12 21:12:01,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 21:12:01,325 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 150 [2020-10-12 21:12:01,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:12:01,332 INFO L225 Difference]: With dead ends: 1387 [2020-10-12 21:12:01,332 INFO L226 Difference]: Without dead ends: 863 [2020-10-12 21:12:01,336 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=146, Invalid=406, Unknown=0, NotChecked=0, Total=552 [2020-10-12 21:12:01,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2020-10-12 21:12:01,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 553. [2020-10-12 21:12:01,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2020-10-12 21:12:01,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 778 transitions. [2020-10-12 21:12:01,419 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 778 transitions. Word has length 150 [2020-10-12 21:12:01,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:12:01,420 INFO L479 AbstractCegarLoop]: Abstraction has 553 states and 778 transitions. [2020-10-12 21:12:01,420 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:12:01,420 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 778 transitions. [2020-10-12 21:12:01,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-12 21:12:01,423 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:12:01,423 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] [2020-10-12 21:12:01,423 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 21:12:01,423 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:12:01,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:12:01,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1456141287, now seen corresponding path program 1 times [2020-10-12 21:12:01,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:12:01,424 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [102723660] [2020-10-12 21:12:01,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:12:01,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:01,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:01,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:01,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:01,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:01,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:01,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:01,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:06,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:06,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-12 21:12:06,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:12:06,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-12 21:12:06,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:06,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:12:06,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:12:06,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 21:12:06,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:06,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:12:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:06,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:06,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:06,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:06,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:06,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 21:12:06,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:06,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:06,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:06,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:12:06,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:06,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:12:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:06,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:06,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:06,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:06,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:06,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:12:06,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:06,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:06,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:06,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:12:06,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:06,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:12:06,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:06,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:06,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:06,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:12:06,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:06,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:06,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:06,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:06,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:06,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:12:06,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:06,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:12:06,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:06,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:06,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:06,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 21:12:06,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:06,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:12:06,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:06,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:06,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:06,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 21:12:06,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:06,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:12:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:06,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:06,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:06,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:12:06,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:06,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 21:12:06,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:06,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:12:06,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:12:06,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 21:12:06,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:06,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 21:12:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:06,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:06,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:06,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:07,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:07,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:12:07,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:12:07,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 261 [2020-10-12 21:12:07,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:07,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:12:07,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-12 21:12:07,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:12:07,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:07,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:12:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:07,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:07,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:07,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:07,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:07,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:07,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:07,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:07,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:07,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:07,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:07,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:12:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:07,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:07,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:07,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:07,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:07,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:07,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:07,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:07,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:07,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:07,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:07,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:12:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:07,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:07,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:07,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:07,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:07,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:07,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:07,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:07,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:07,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:07,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:07,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:12:07,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:07,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:07,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:07,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:07,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:07,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:07,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:07,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:07,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:07,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:07,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:07,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:12:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:07,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:07,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:07,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:07,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:07,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:07,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:07,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:07,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:07,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:07,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:07,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:12:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:07,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:07,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:07,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:07,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:07,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:12:07,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:07,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:12:07,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:07,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:12:07,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:07,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:12:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:07,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:07,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:07,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:07,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:07,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:07,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:07,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:07,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:07,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:07,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:07,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 21:12:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:07,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:07,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:07,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:12:07,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:07,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:12:07,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:07,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:07,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 21:12:07,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:07,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:07,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 21:12:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:07,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:07,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:07,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:07,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:07,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:07,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:07,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:07,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:12:07,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:07,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:07,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:12:07,259 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [102723660] [2020-10-12 21:12:07,259 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:12:07,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:12:07,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791090791] [2020-10-12 21:12:07,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:12:07,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:12:07,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:12:07,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:12:07,261 INFO L87 Difference]: Start difference. First operand 553 states and 778 transitions. Second operand 14 states. [2020-10-12 21:12:11,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:12:11,597 INFO L93 Difference]: Finished difference Result 1398 states and 2101 transitions. [2020-10-12 21:12:11,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:12:11,598 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 150 [2020-10-12 21:12:11,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:12:11,605 INFO L225 Difference]: With dead ends: 1398 [2020-10-12 21:12:11,606 INFO L226 Difference]: Without dead ends: 869 [2020-10-12 21:12:11,609 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2020-10-12 21:12:11,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2020-10-12 21:12:11,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 563. [2020-10-12 21:12:11,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2020-10-12 21:12:11,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 781 transitions. [2020-10-12 21:12:11,680 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 781 transitions. Word has length 150 [2020-10-12 21:12:11,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:12:11,681 INFO L479 AbstractCegarLoop]: Abstraction has 563 states and 781 transitions. [2020-10-12 21:12:11,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:12:11,681 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 781 transitions. [2020-10-12 21:12:11,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-12 21:12:11,683 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:12:11,683 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] [2020-10-12 21:12:11,684 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 21:12:11,684 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:12:11,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:12:11,684 INFO L82 PathProgramCache]: Analyzing trace with hash 281751395, now seen corresponding path program 1 times [2020-10-12 21:12:11,685 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:12:11,685 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1565648205] [2020-10-12 21:12:11,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:12:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:11,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:12,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:12,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:12,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:12,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:12,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:12,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:12,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:12,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:14,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:15,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:16,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:16,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:16,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-12 21:12:16,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-12 21:12:16,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 21:12:16,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:16,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:12:16,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:12:16,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-12 21:12:16,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:16,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:12:16,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:16,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:16,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:16,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:16,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:16,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:12:16,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:16,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:16,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:16,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:12:16,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:16,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:12:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:16,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:16,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:16,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:16,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:16,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:12:16,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:16,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:16,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:16,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:12:16,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:16,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:12:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:16,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:16,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:16,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:12:16,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:16,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:16,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:16,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:16,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:16,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:12:16,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:16,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:12:16,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:16,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:16,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:16,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 21:12:16,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:16,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:12:16,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:16,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:16,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:16,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 21:12:16,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:16,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:12:16,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:16,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:17,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:17,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:12:17,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:17,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 21:12:17,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:17,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:12:17,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:12:17,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 21:12:17,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:17,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 21:12:17,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:17,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:17,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:17,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:17,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:12:17,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:12:17,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-12 21:12:17,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:17,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:12:17,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-12 21:12:17,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:12:17,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:17,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:12:17,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:17,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:17,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:17,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:17,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:17,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:17,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:17,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:17,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:17,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:17,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:17,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:12:17,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:17,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:17,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:17,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:17,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:17,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:17,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:17,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:17,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:17,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:17,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:17,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:12:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:17,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:17,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:17,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:17,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:17,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:17,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:17,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:17,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:17,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:17,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:17,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:12:17,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:17,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:17,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:17,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:17,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:17,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:12:17,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:17,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:12:17,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:17,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:12:17,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:17,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:12:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:17,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:17,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:17,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:17,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:17,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:12:17,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:17,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:17,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:17,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:17,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:17,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:12:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:17,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:17,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:17,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:17,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:17,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:17,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:17,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:17,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:17,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:17,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:17,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:12:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:17,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:17,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:17,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:17,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:17,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:17,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:17,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:17,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:17,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:17,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:17,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 21:12:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:17,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:17,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:17,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:12:17,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:17,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 21:12:17,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:17,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:12:17,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:12:17,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 21:12:17,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-12 21:12:17,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 21:12:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:17,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:17,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:17,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:17,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:17,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:17,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:17,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:17,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:12:17,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:17,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:17,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:12:17,451 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1565648205] [2020-10-12 21:12:17,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:12:17,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:12:17,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591278774] [2020-10-12 21:12:17,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:12:17,454 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:12:17,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:12:17,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:12:17,455 INFO L87 Difference]: Start difference. First operand 563 states and 781 transitions. Second operand 13 states. [2020-10-12 21:12:18,569 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-12 21:12:21,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:12:21,959 INFO L93 Difference]: Finished difference Result 1438 states and 2138 transitions. [2020-10-12 21:12:21,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:12:21,960 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 150 [2020-10-12 21:12:21,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:12:21,970 INFO L225 Difference]: With dead ends: 1438 [2020-10-12 21:12:21,970 INFO L226 Difference]: Without dead ends: 899 [2020-10-12 21:12:21,973 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-12 21:12:21,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2020-10-12 21:12:22,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 573. [2020-10-12 21:12:22,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 573 states. [2020-10-12 21:12:22,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 784 transitions. [2020-10-12 21:12:22,118 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 784 transitions. Word has length 150 [2020-10-12 21:12:22,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:12:22,118 INFO L479 AbstractCegarLoop]: Abstraction has 573 states and 784 transitions. [2020-10-12 21:12:22,119 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:12:22,119 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 784 transitions. [2020-10-12 21:12:22,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-12 21:12:22,121 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:12:22,121 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] [2020-10-12 21:12:22,122 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 21:12:22,122 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:12:22,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:12:22,122 INFO L82 PathProgramCache]: Analyzing trace with hash -35714593, now seen corresponding path program 1 times [2020-10-12 21:12:22,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:12:22,123 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1773692174] [2020-10-12 21:12:22,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:12:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:22,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:22,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:22,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:22,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:22,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:22,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:22,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:22,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:22,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:22,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:22,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:22,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:22,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:24,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:24,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:27,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:27,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-12 21:12:27,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-12 21:12:27,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 21:12:27,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:27,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:12:27,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:12:27,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-12 21:12:27,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:27,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:12:27,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:27,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:27,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:27,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:27,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:27,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:12:27,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:27,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:27,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:27,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:12:27,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:27,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:12:27,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:27,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:27,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:27,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:27,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:27,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:12:27,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:27,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:27,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:27,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:12:27,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:27,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:12:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:27,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:27,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:27,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:12:27,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:27,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:27,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:27,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:27,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:27,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:12:27,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:27,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:12:27,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:27,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:27,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:27,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 21:12:27,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:27,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:12:27,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:27,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:27,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:27,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 21:12:27,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:27,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:12:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:27,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:27,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:27,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:12:27,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:27,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 21:12:27,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:27,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:12:27,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:12:27,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 21:12:27,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:27,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 21:12:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:27,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:27,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:27,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:12:27,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:27,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 21:12:27,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:27,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:27,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-12 21:12:27,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:27,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:27,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:12:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:27,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:27,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:27,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:27,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:27,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:27,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:27,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:27,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:27,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:27,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:27,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:12:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:27,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:27,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:27,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:27,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:27,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:27,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:27,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:27,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:27,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:27,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:27,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:12:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:27,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:27,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:27,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:27,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:27,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:27,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:27,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:27,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:27,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:27,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:27,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:12:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:27,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:27,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:27,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:27,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:27,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:27,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:27,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:27,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:27,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:27,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:27,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:12:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:27,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:27,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:27,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:27,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:27,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:27,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:27,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:27,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:27,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:27,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:27,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:12:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:27,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:27,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:27,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:27,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:27,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:27,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:27,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:27,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:27,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:27,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:27,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:12:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:27,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:27,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:27,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:27,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:27,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:27,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:27,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:27,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:27,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:27,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:27,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 21:12:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:27,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:27,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:27,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:12:27,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:27,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:12:27,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:27,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:27,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 21:12:27,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:27,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:27,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 21:12:27,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:27,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:27,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:27,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:27,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:27,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:27,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:27,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:27,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:12:27,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:27,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:27,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:12:27,639 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1773692174] [2020-10-12 21:12:27,640 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:12:27,640 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 21:12:27,640 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896556005] [2020-10-12 21:12:27,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 21:12:27,641 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:12:27,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 21:12:27,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-12 21:12:27,643 INFO L87 Difference]: Start difference. First operand 573 states and 784 transitions. Second operand 9 states. [2020-10-12 21:12:31,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:12:31,043 INFO L93 Difference]: Finished difference Result 1644 states and 2356 transitions. [2020-10-12 21:12:31,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 21:12:31,043 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 150 [2020-10-12 21:12:31,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:12:31,051 INFO L225 Difference]: With dead ends: 1644 [2020-10-12 21:12:31,051 INFO L226 Difference]: Without dead ends: 1095 [2020-10-12 21:12:31,054 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2020-10-12 21:12:31,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2020-10-12 21:12:31,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 750. [2020-10-12 21:12:31,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 750 states. [2020-10-12 21:12:31,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 988 transitions. [2020-10-12 21:12:31,147 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 988 transitions. Word has length 150 [2020-10-12 21:12:31,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:12:31,148 INFO L479 AbstractCegarLoop]: Abstraction has 750 states and 988 transitions. [2020-10-12 21:12:31,148 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 21:12:31,148 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 988 transitions. [2020-10-12 21:12:31,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-12 21:12:31,150 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:12:31,150 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] [2020-10-12 21:12:31,150 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 21:12:31,151 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:12:31,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:12:31,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1714062623, now seen corresponding path program 1 times [2020-10-12 21:12:31,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:12:31,151 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [281929103] [2020-10-12 21:12:31,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:12:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:31,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:31,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:31,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:31,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:31,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:31,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:31,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:31,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:31,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:31,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:31,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:31,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:32,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:32,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:36,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:36,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-12 21:12:36,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-12 21:12:36,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 21:12:36,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:36,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:12:36,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:12:36,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 21:12:36,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:36,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:12:36,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:36,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:36,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:36,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:36,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:36,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:12:36,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:36,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:36,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:36,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:12:36,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:36,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:12:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:36,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:36,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:36,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:36,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:36,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:12:36,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:36,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:36,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:36,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:12:36,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:36,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:12:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:36,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:36,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:36,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:12:36,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:36,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:36,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:36,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:36,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:36,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:12:36,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:36,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:12:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:36,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:36,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:36,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 21:12:36,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:36,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:12:36,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:36,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:36,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:36,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 21:12:36,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:36,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:12:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:36,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:36,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:36,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:12:36,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:36,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:12:36,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:36,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:12:36,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:12:36,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 21:12:36,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:36,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 21:12:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:36,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:36,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:36,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:12:36,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:36,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:12:36,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:36,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:36,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-12 21:12:36,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:36,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:36,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:12:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:36,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:36,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:36,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:36,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:36,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:36,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:36,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:36,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:36,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:36,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:36,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:12:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:36,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:36,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:36,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:36,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:36,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:36,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:36,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:36,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:36,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:36,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:36,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:12:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:36,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:36,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:36,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:36,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:36,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:36,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:36,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:36,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:36,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:36,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:36,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:12:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:36,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:36,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:36,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:36,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:36,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:36,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:36,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:36,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:36,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:36,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:36,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:12:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:36,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:36,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:36,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:36,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:36,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:36,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:36,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:36,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:36,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:36,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:36,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:12:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:36,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:36,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:36,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:36,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:36,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:36,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:36,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:36,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:36,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:36,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:36,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:12:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:36,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:36,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:36,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:36,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:36,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:36,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:36,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:36,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:36,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:36,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:36,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 21:12:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:36,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:36,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:36,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:12:36,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:36,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:12:36,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:36,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:36,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 21:12:36,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:36,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:36,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 21:12:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:36,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:36,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:36,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:36,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:36,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:36,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:36,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:36,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:12:36,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:36,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:36,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:12:36,555 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [281929103] [2020-10-12 21:12:36,556 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:12:36,556 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 21:12:36,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090085994] [2020-10-12 21:12:36,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 21:12:36,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:12:36,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 21:12:36,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-12 21:12:36,558 INFO L87 Difference]: Start difference. First operand 750 states and 988 transitions. Second operand 9 states. [2020-10-12 21:12:39,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:12:39,412 INFO L93 Difference]: Finished difference Result 1821 states and 2502 transitions. [2020-10-12 21:12:39,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 21:12:39,412 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 150 [2020-10-12 21:12:39,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:12:39,419 INFO L225 Difference]: With dead ends: 1821 [2020-10-12 21:12:39,419 INFO L226 Difference]: Without dead ends: 1095 [2020-10-12 21:12:39,422 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:12:39,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2020-10-12 21:12:39,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 750. [2020-10-12 21:12:39,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 750 states. [2020-10-12 21:12:39,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 981 transitions. [2020-10-12 21:12:39,539 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 981 transitions. Word has length 150 [2020-10-12 21:12:39,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:12:39,539 INFO L479 AbstractCegarLoop]: Abstraction has 750 states and 981 transitions. [2020-10-12 21:12:39,540 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 21:12:39,540 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 981 transitions. [2020-10-12 21:12:39,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-12 21:12:39,546 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:12:39,546 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] [2020-10-12 21:12:39,546 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 21:12:39,547 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:12:39,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:12:39,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1280958943, now seen corresponding path program 1 times [2020-10-12 21:12:39,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:12:39,549 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1231635971] [2020-10-12 21:12:39,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:12:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:39,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:39,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:39,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:39,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:39,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:39,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:39,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:39,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:39,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:39,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:39,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:41,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:41,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:44,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:44,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:44,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:44,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:44,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-12 21:12:44,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-12 21:12:44,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 21:12:44,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:44,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:12:44,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:12:44,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-12 21:12:44,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:44,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:12:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:44,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:44,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:44,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:44,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:44,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:12:44,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:44,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:44,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:44,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:12:44,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:44,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:12:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:44,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:44,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:44,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:44,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:44,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:44,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:44,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:44,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:44,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:12:44,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:44,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:12:44,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:44,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:44,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:44,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:12:44,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:44,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:12:44,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:44,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:44,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:44,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:12:44,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:44,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:12:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:44,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:44,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:44,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 21:12:44,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:44,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:12:44,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:44,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:44,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:44,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 21:12:44,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:44,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:12:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:44,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:44,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:44,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:12:44,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:44,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:12:44,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:44,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:12:44,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:12:44,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 21:12:44,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:44,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 21:12:44,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:44,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:44,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:44,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:12:44,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:44,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:12:44,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:44,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:44,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-12 21:12:44,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:44,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:44,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:12:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:44,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:44,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:44,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:44,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:44,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:12:44,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:44,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:44,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:44,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:44,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:44,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:12:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:44,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:44,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:44,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:44,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:44,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:12:44,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:44,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:44,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:44,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:44,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:44,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:12:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:44,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:44,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:44,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:44,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:44,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:12:44,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:44,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:44,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:44,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:44,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:44,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:12:44,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:44,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:44,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:44,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:44,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:44,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:12:44,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:44,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:44,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:44,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:44,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:44,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:12:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:44,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:44,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:44,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:44,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:44,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:44,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:44,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:44,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:44,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:44,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:44,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:12:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:44,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:44,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:44,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:44,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:44,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:44,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:44,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:44,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:44,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:44,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:44,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:12:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:44,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:44,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:44,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:44,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:44,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:12:44,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:44,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:44,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:44,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:44,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:44,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 21:12:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:44,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:44,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:44,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:12:44,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:44,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:12:44,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:44,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:44,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 21:12:44,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:44,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:44,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 21:12:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:44,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:44,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:44,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:44,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:44,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:44,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:44,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:44,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:12:44,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:44,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:44,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:12:44,906 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1231635971] [2020-10-12 21:12:44,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:12:44,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:12:44,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234332646] [2020-10-12 21:12:44,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:12:44,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:12:44,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:12:44,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:12:44,908 INFO L87 Difference]: Start difference. First operand 750 states and 981 transitions. Second operand 10 states. [2020-10-12 21:12:51,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:12:51,032 INFO L93 Difference]: Finished difference Result 2911 states and 4121 transitions. [2020-10-12 21:12:51,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:12:51,032 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 150 [2020-10-12 21:12:51,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:12:51,046 INFO L225 Difference]: With dead ends: 2911 [2020-10-12 21:12:51,046 INFO L226 Difference]: Without dead ends: 2185 [2020-10-12 21:12:51,050 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=126, Invalid=294, Unknown=0, NotChecked=0, Total=420 [2020-10-12 21:12:51,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2185 states. [2020-10-12 21:12:51,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2185 to 1541. [2020-10-12 21:12:51,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1541 states. [2020-10-12 21:12:51,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1541 states and 2024 transitions. [2020-10-12 21:12:51,249 INFO L78 Accepts]: Start accepts. Automaton has 1541 states and 2024 transitions. Word has length 150 [2020-10-12 21:12:51,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:12:51,250 INFO L479 AbstractCegarLoop]: Abstraction has 1541 states and 2024 transitions. [2020-10-12 21:12:51,250 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:12:51,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 2024 transitions. [2020-10-12 21:12:51,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-12 21:12:51,253 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:12:51,254 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] [2020-10-12 21:12:51,254 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 21:12:51,254 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:12:51,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:12:51,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1983066526, now seen corresponding path program 1 times [2020-10-12 21:12:51,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:12:51,256 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1779812364] [2020-10-12 21:12:51,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:12:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:51,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:51,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:51,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:51,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:51,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:51,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:51,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:51,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:51,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:55,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:55,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:55,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:55,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:55,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:56,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-12 21:12:56,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-12 21:12:56,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 21:12:56,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:56,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:12:56,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:12:56,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-12 21:12:56,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:56,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:12:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:56,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:56,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:56,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:56,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:12:56,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:56,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:56,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:56,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:12:56,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:56,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:12:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:56,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:56,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:56,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:56,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:56,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:56,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:56,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:56,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:12:56,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:56,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:12:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:56,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:56,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:12:56,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:56,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:12:56,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:56,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:56,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:56,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:12:56,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:56,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:12:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:56,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:56,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 21:12:56,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:56,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:12:56,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:56,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:56,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:56,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 21:12:56,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:56,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:12:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:56,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:56,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:12:56,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:56,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:12:56,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:56,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:12:56,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:12:56,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 21:12:56,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:56,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 21:12:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:56,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:56,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:12:56,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:12:56,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 21:12:56,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:56,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:12:56,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-12 21:12:56,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:12:56,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:56,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:12:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:56,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:56,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:56,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:56,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:56,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:56,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:56,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:56,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:56,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:56,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:12:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:56,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:56,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:56,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:56,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:56,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:56,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:56,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:56,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:56,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:56,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:12:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:56,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:56,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:56,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:56,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:56,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:56,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:56,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:56,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:56,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:56,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:12:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:56,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:56,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:56,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:56,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:56,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:56,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:56,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:56,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:56,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:56,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:12:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:56,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:56,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:56,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:56,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:12:56,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:56,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:12:56,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:56,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:12:56,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:56,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:12:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:56,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:56,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:56,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:56,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:56,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:56,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:56,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:56,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:56,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:56,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:12:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:56,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:56,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:56,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:56,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:12:56,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:56,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:56,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:56,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:56,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:56,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 21:12:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:56,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:56,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:12:56,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:56,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:12:56,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:56,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:56,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 21:12:56,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:56,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:56,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 21:12:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:56,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:56,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:56,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:56,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:56,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:56,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:56,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:56,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:12:56,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:56,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:56,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:12:56,682 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1779812364] [2020-10-12 21:12:56,682 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:12:56,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:12:56,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934798961] [2020-10-12 21:12:56,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:12:56,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:12:56,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:12:56,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:12:56,684 INFO L87 Difference]: Start difference. First operand 1541 states and 2024 transitions. Second operand 13 states. [2020-10-12 21:12:57,907 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-12 21:13:02,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:13:02,687 INFO L93 Difference]: Finished difference Result 4134 states and 5717 transitions. [2020-10-12 21:13:02,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 21:13:02,687 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 150 [2020-10-12 21:13:02,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:13:02,700 INFO L225 Difference]: With dead ends: 4134 [2020-10-12 21:13:02,701 INFO L226 Difference]: Without dead ends: 2617 [2020-10-12 21:13:02,708 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=262, Invalid=860, Unknown=0, NotChecked=0, Total=1122 [2020-10-12 21:13:02,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2617 states. [2020-10-12 21:13:02,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2617 to 1867. [2020-10-12 21:13:02,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1867 states. [2020-10-12 21:13:03,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1867 states to 1867 states and 2374 transitions. [2020-10-12 21:13:03,012 INFO L78 Accepts]: Start accepts. Automaton has 1867 states and 2374 transitions. Word has length 150 [2020-10-12 21:13:03,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:13:03,012 INFO L479 AbstractCegarLoop]: Abstraction has 1867 states and 2374 transitions. [2020-10-12 21:13:03,012 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:13:03,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1867 states and 2374 transitions. [2020-10-12 21:13:03,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-12 21:13:03,016 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:13:03,016 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] [2020-10-12 21:13:03,016 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 21:13:03,016 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:13:03,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:13:03,017 INFO L82 PathProgramCache]: Analyzing trace with hash -525605536, now seen corresponding path program 1 times [2020-10-12 21:13:03,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:13:03,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [127310760] [2020-10-12 21:13:03,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:13:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:03,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:03,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:03,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:03,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:03,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:03,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:03,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:04,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:04,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:04,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:04,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:04,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:04,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:04,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:04,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:05,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:08,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-12 21:13:08,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-12 21:13:08,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-12 21:13:08,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:08,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:13:08,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:13:08,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-12 21:13:08,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:08,201 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-12 21:13:08,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:13:08,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:08,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:08,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:13:08,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:08,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 21:13:08,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:08,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:08,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:08,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:13:08,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 21:13:08,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:13:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:08,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:08,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:13:08,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:08,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:13:08,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:08,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:08,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:08,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:13:08,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:08,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:13:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:08,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:08,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:13:08,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:08,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:08,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:08,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:08,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:08,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:13:08,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:08,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:13:08,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:08,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:08,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 21:13:08,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:08,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:13:08,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:08,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:08,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:08,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 21:13:08,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:08,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:13:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:08,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:08,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:13:08,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:08,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:13:08,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:08,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:08,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:08,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:13:08,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:08,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 21:13:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:08,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:08,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:13:08,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:08,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:13:08,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:08,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:08,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:08,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-12 21:13:08,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:08,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:13:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:08,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:08,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:08,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:08,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:08,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:08,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:08,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:08,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:08,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:08,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:13:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:08,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:08,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:08,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:08,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:08,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:08,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:08,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:08,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:08,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:08,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:13:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:08,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:08,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:08,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:08,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:08,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:08,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:08,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:08,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:08,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:08,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:13:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:08,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:08,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:08,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:08,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:08,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:08,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:08,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:08,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:08,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:08,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:13:08,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:08,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:08,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:08,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:08,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:08,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:08,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:08,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:08,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:08,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:08,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:13:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:08,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:08,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:08,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:08,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:08,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:08,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:08,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:08,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:08,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:08,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:13:08,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:08,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:08,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:08,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:08,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:08,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:08,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:08,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:08,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:08,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:08,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 21:13:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:08,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:08,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:13:08,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:08,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:13:08,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:08,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:08,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:08,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:13:08,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:08,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 21:13:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:08,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:08,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:13:08,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:08,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:08,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:08,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:08,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:08,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:13:08,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:08,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:13:08,413 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [127310760] [2020-10-12 21:13:08,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:13:08,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-12 21:13:08,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243571450] [2020-10-12 21:13:08,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 21:13:08,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:13:08,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 21:13:08,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 21:13:08,415 INFO L87 Difference]: Start difference. First operand 1867 states and 2374 transitions. Second operand 7 states. [2020-10-12 21:13:13,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:13:13,264 INFO L93 Difference]: Finished difference Result 6851 states and 9239 transitions. [2020-10-12 21:13:13,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 21:13:13,264 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 150 [2020-10-12 21:13:13,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:13:13,291 INFO L225 Difference]: With dead ends: 6851 [2020-10-12 21:13:13,291 INFO L226 Difference]: Without dead ends: 5009 [2020-10-12 21:13:13,299 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:13:13,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5009 states. [2020-10-12 21:13:13,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5009 to 3723. [2020-10-12 21:13:13,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3723 states. [2020-10-12 21:13:13,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3723 states to 3723 states and 4770 transitions. [2020-10-12 21:13:13,807 INFO L78 Accepts]: Start accepts. Automaton has 3723 states and 4770 transitions. Word has length 150 [2020-10-12 21:13:13,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:13:13,809 INFO L479 AbstractCegarLoop]: Abstraction has 3723 states and 4770 transitions. [2020-10-12 21:13:13,809 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 21:13:13,809 INFO L276 IsEmpty]: Start isEmpty. Operand 3723 states and 4770 transitions. [2020-10-12 21:13:13,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-12 21:13:13,812 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:13:13,812 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 21:13:13,813 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 21:13:13,813 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:13:13,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:13:13,813 INFO L82 PathProgramCache]: Analyzing trace with hash -781701080, now seen corresponding path program 1 times [2020-10-12 21:13:13,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:13:13,814 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1987549800] [2020-10-12 21:13:13,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:13:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:13,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:13,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:13,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:13,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:14,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:14,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:14,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:14,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:14,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:14,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:14,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:14,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:18,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:18,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-12 21:13:18,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-12 21:13:18,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-12 21:13:18,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:18,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:13:18,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:13:18,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-12 21:13:18,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:18,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:13:18,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:18,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:18,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:18,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:13:18,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:18,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:13:18,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:18,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:18,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:18,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:13:18,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:18,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:13:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:18,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:18,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:18,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:13:18,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:18,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:18,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:18,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:18,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:18,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:13:18,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:18,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:13:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:18,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:18,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:18,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:13:18,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:18,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:18,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:18,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:18,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:18,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:13:18,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:19,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:13:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:19,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:19,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:19,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 21:13:19,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:19,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:13:19,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:19,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:19,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:19,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 21:13:19,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:19,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:13:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:19,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:19,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:19,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:13:19,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:19,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:13:19,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:19,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:13:19,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:13:19,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 21:13:19,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:19,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 21:13:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:19,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:19,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:19,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:13:19,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:19,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:13:19,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:19,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:19,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-12 21:13:19,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:19,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:19,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:13:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:19,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:19,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:19,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:19,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:19,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:19,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:19,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:19,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:19,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:19,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:19,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:13:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:19,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:19,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:19,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:19,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:19,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:19,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:19,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:19,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:19,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:19,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:19,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:13:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:19,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:19,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:19,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:19,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:19,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:19,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:19,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:19,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:19,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:19,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:19,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:13:19,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:19,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:19,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:19,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:19,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:19,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:19,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:19,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:19,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:19,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:19,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:19,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:13:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:19,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:19,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:19,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:19,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:19,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:19,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:19,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:19,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:19,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:19,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:19,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:13:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:19,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:19,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:19,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:19,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:19,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:19,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:19,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:19,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:19,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:19,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:19,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:13:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:19,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:19,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:19,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:19,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:19,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:19,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:19,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:19,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:19,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:19,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:19,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 21:13:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:19,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:19,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:19,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:13:19,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:19,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:13:19,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:19,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:19,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 21:13:19,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:19,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:19,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 21:13:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:19,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:19,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:19,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:13:19,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:19,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:19,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:19,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:19,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:13:19,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:19,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:19,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:13:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:19,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:19,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:19,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:13:19,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:19,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:19,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:19,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:19,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:13:19,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:19,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:19,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-12 21:13:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:19,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:19,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:19,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:13:19,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:19,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:19,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:19,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:19,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:13:19,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:19,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:19,172 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-12 21:13:19,173 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1987549800] [2020-10-12 21:13:19,173 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:13:19,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:13:19,173 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455151808] [2020-10-12 21:13:19,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:13:19,174 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:13:19,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:13:19,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:13:19,175 INFO L87 Difference]: Start difference. First operand 3723 states and 4770 transitions. Second operand 10 states. [2020-10-12 21:13:24,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:13:24,758 INFO L93 Difference]: Finished difference Result 9044 states and 12205 transitions. [2020-10-12 21:13:24,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 21:13:24,758 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 173 [2020-10-12 21:13:24,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:13:24,797 INFO L225 Difference]: With dead ends: 9044 [2020-10-12 21:13:24,797 INFO L226 Difference]: Without dead ends: 5345 [2020-10-12 21:13:24,812 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2020-10-12 21:13:24,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5345 states. [2020-10-12 21:13:25,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5345 to 3883. [2020-10-12 21:13:25,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3883 states. [2020-10-12 21:13:25,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3883 states to 3883 states and 5049 transitions. [2020-10-12 21:13:25,534 INFO L78 Accepts]: Start accepts. Automaton has 3883 states and 5049 transitions. Word has length 173 [2020-10-12 21:13:25,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:13:25,535 INFO L479 AbstractCegarLoop]: Abstraction has 3883 states and 5049 transitions. [2020-10-12 21:13:25,535 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:13:25,535 INFO L276 IsEmpty]: Start isEmpty. Operand 3883 states and 5049 transitions. [2020-10-12 21:13:25,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-12 21:13:25,538 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:13:25,538 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 21:13:25,538 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 21:13:25,539 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:13:25,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:13:25,539 INFO L82 PathProgramCache]: Analyzing trace with hash -503952536, now seen corresponding path program 1 times [2020-10-12 21:13:25,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:13:25,539 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [429178507] [2020-10-12 21:13:25,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:13:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:25,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:30,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:30,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-12 21:13:30,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-12 21:13:30,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 21:13:30,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:30,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:13:30,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:13:30,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 21:13:30,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:30,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:13:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:30,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:30,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:30,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:13:30,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:30,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:13:30,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:30,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:30,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:30,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:13:30,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:30,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:13:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:30,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:30,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:30,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:13:30,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:30,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:13:30,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:30,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:30,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:30,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:13:30,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:30,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:13:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:30,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:30,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:30,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:13:30,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:30,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:30,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:30,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:30,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:30,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:13:30,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:30,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:13:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:30,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:30,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:30,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 21:13:30,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:30,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:13:30,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:30,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:30,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:30,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 21:13:30,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:30,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:13:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:30,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:30,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:30,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:13:30,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:30,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:13:30,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:30,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:13:30,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:13:30,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 21:13:30,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:30,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 21:13:30,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:30,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:30,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:30,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:13:30,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:30,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:13:30,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:30,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:30,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-12 21:13:30,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:30,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:30,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:13:30,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:30,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:30,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:30,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:30,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:30,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:30,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:30,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:30,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:30,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:30,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:30,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:13:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:30,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:30,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:30,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:30,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:30,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:30,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:30,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:30,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:30,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:30,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:30,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:13:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:30,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:30,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:30,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:30,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:30,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:30,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:30,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:30,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:30,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:30,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:30,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:13:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:30,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:30,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:30,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:30,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:30,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:30,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:30,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:30,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:30,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:30,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:30,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:13:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:30,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:30,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:30,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:30,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:30,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:30,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:30,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:30,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:30,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:30,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:30,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:13:30,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:30,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:30,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:30,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:30,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:30,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:30,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:30,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:30,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:30,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:30,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:30,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:13:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:30,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:30,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:30,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:30,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:30,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:30,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:30,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:30,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:30,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:30,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:30,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 21:13:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:30,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:30,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:30,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:13:30,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:30,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:13:30,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:30,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:30,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 21:13:30,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:30,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:30,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 21:13:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:30,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:30,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:30,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:13:30,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:30,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:30,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:30,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:30,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:13:30,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:30,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:30,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:13:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:30,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:30,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:30,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:13:30,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:30,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:30,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:30,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:30,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:13:30,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:30,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:30,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-12 21:13:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:30,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:30,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:30,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:13:30,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:30,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:30,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:30,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:30,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:13:30,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:30,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:30,880 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-12 21:13:30,880 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [429178507] [2020-10-12 21:13:30,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:13:30,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:13:30,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789932071] [2020-10-12 21:13:30,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:13:30,881 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:13:30,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:13:30,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:13:30,882 INFO L87 Difference]: Start difference. First operand 3883 states and 5049 transitions. Second operand 10 states. [2020-10-12 21:13:35,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:13:35,804 INFO L93 Difference]: Finished difference Result 10202 states and 14233 transitions. [2020-10-12 21:13:35,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-12 21:13:35,805 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 173 [2020-10-12 21:13:35,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:13:35,836 INFO L225 Difference]: With dead ends: 10202 [2020-10-12 21:13:35,836 INFO L226 Difference]: Without dead ends: 6343 [2020-10-12 21:13:35,854 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=154, Invalid=398, Unknown=0, NotChecked=0, Total=552 [2020-10-12 21:13:35,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6343 states. [2020-10-12 21:13:36,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6343 to 4857. [2020-10-12 21:13:36,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4857 states. [2020-10-12 21:13:36,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4857 states to 4857 states and 6465 transitions. [2020-10-12 21:13:36,662 INFO L78 Accepts]: Start accepts. Automaton has 4857 states and 6465 transitions. Word has length 173 [2020-10-12 21:13:36,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:13:36,662 INFO L479 AbstractCegarLoop]: Abstraction has 4857 states and 6465 transitions. [2020-10-12 21:13:36,662 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:13:36,662 INFO L276 IsEmpty]: Start isEmpty. Operand 4857 states and 6465 transitions. [2020-10-12 21:13:36,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-12 21:13:36,667 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:13:36,667 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 21:13:36,667 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 21:13:36,668 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:13:36,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:13:36,668 INFO L82 PathProgramCache]: Analyzing trace with hash -257520471, now seen corresponding path program 1 times [2020-10-12 21:13:36,668 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:13:36,668 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1638451201] [2020-10-12 21:13:36,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:13:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:36,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:36,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:36,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:36,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:37,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:37,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:37,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:37,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:37,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:37,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:41,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:41,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-12 21:13:41,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 21:13:41,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 21:13:41,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:41,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:13:41,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:13:41,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-12 21:13:41,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:41,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:13:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:41,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:41,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:41,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:13:41,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:41,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:13:41,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:41,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:41,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:41,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:13:41,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:41,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:13:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:41,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:41,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:41,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:13:41,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:41,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:13:41,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:41,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:41,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:41,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:13:41,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:41,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:13:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:41,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:41,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:41,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:13:41,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:41,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:41,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:41,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:41,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:41,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:13:41,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:41,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:13:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:41,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:41,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:41,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 21:13:41,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:41,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:13:41,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:41,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:41,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:41,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 21:13:41,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:41,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:13:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:41,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:41,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:41,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:13:41,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:41,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:13:41,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:41,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:13:41,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:13:41,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 21:13:41,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:41,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 21:13:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:41,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:41,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:41,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:41,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:13:41,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:13:41,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 21:13:41,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:41,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:13:41,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 21:13:41,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:13:41,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:42,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:13:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:42,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:42,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:42,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:42,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:42,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:42,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:42,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:42,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:42,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:42,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:42,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:13:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:42,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:42,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:42,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:42,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:42,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:13:42,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:42,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:13:42,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:42,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:13:42,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:42,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:13:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:42,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:42,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:42,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:42,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:42,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:42,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:42,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:42,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:42,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:42,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:42,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:13:42,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:42,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:42,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:42,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:42,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:42,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:42,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:42,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:42,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:42,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:42,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:42,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:13:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:42,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:42,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:42,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:42,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:42,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:42,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:42,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:42,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:42,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:42,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:42,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:13:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:42,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:42,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:42,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:42,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:42,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:42,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:42,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:42,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:42,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:42,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:42,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:13:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:42,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:42,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:42,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:42,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:42,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:42,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:42,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:42,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:42,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:42,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:42,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 21:13:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:42,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:42,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:42,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:13:42,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:42,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:13:42,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:42,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:42,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 21:13:42,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:42,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:42,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 21:13:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:42,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:42,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:42,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:13:42,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:42,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:42,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:42,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:42,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:13:42,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:42,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:42,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:13:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:42,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:42,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:42,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:13:42,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:42,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:42,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:42,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:42,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:13:42,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:42,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:42,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-12 21:13:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:42,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:42,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:42,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:13:42,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:42,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:42,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:42,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:42,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:13:42,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:42,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:42,131 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-12 21:13:42,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1638451201] [2020-10-12 21:13:42,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:13:42,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:13:42,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771446477] [2020-10-12 21:13:42,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:13:42,132 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:13:42,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:13:42,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:13:42,133 INFO L87 Difference]: Start difference. First operand 4857 states and 6465 transitions. Second operand 14 states. [2020-10-12 21:13:43,049 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-12 21:13:43,190 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-12 21:13:49,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:13:49,554 INFO L93 Difference]: Finished difference Result 12282 states and 17223 transitions. [2020-10-12 21:13:49,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-12 21:13:49,554 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 173 [2020-10-12 21:13:49,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:13:49,581 INFO L225 Difference]: With dead ends: 12282 [2020-10-12 21:13:49,581 INFO L226 Difference]: Without dead ends: 7449 [2020-10-12 21:13:49,602 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 440 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=406, Invalid=1316, Unknown=0, NotChecked=0, Total=1722 [2020-10-12 21:13:49,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7449 states. [2020-10-12 21:13:50,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7449 to 5695. [2020-10-12 21:13:50,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5695 states. [2020-10-12 21:13:50,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5695 states to 5695 states and 7493 transitions. [2020-10-12 21:13:50,352 INFO L78 Accepts]: Start accepts. Automaton has 5695 states and 7493 transitions. Word has length 173 [2020-10-12 21:13:50,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:13:50,353 INFO L479 AbstractCegarLoop]: Abstraction has 5695 states and 7493 transitions. [2020-10-12 21:13:50,353 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:13:50,353 INFO L276 IsEmpty]: Start isEmpty. Operand 5695 states and 7493 transitions. [2020-10-12 21:13:50,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-12 21:13:50,355 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:13:50,355 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 21:13:50,356 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 21:13:50,356 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:13:50,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:13:50,356 INFO L82 PathProgramCache]: Analyzing trace with hash -115633590, now seen corresponding path program 1 times [2020-10-12 21:13:50,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:13:50,357 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [777639229] [2020-10-12 21:13:50,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:13:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:50,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:50,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:50,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:50,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:50,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:50,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:50,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:50,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-12 21:13:55,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 21:13:55,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-12 21:13:55,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:13:55,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:13:55,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 21:13:55,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:13:55,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:55,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:13:55,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:55,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:13:55,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:55,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:55,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:13:55,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:13:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:55,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:13:55,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:55,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:13:55,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:55,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:55,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:13:55,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:13:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:55,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:13:55,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:55,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:55,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:55,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:55,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:13:55,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:13:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:55,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 21:13:55,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:55,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:13:55,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:55,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:55,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 21:13:55,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:13:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:55,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:13:55,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:55,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:13:55,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:13:55,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:13:55,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 21:13:55,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 21:13:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:55,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:13:55,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:13:55,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 21:13:55,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:13:55,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:13:55,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:13:55,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:13:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:55,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:55,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:55,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:55,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:55,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:55,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:55,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:13:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:55,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:55,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:55,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:55,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:55,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:55,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:55,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:13:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:55,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:55,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:55,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:13:55,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:13:55,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:55,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:13:55,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:13:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:55,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:55,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:55,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:55,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:55,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:55,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:55,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:13:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:55,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:55,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:55,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:55,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:55,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:55,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:55,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:13:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:55,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:55,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:55,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:55,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:55,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:55,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:55,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:13:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:55,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:55,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:55,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:55,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:55,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:55,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:55,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 21:13:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:55,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:13:55,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:55,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:13:55,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:55,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 21:13:55,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:55,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 21:13:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:55,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:13:55,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:55,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:55,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:55,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:13:55,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:55,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:13:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:55,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:13:55,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:55,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:55,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:55,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:13:55,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:55,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-12 21:13:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:55,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:55,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:13:55,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:55,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:55,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:55,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:55,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:13:55,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:55,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:55,802 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-12 21:13:55,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [777639229] [2020-10-12 21:13:55,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:13:55,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-12 21:13:55,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119233327] [2020-10-12 21:13:55,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 21:13:55,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:13:55,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 21:13:55,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-10-12 21:13:55,805 INFO L87 Difference]: Start difference. First operand 5695 states and 7493 transitions. Second operand 15 states. [2020-10-12 21:13:59,829 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-12 21:14:01,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:14:01,887 INFO L93 Difference]: Finished difference Result 12884 states and 17744 transitions. [2020-10-12 21:14:01,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-12 21:14:01,887 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 173 [2020-10-12 21:14:01,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:14:01,917 INFO L225 Difference]: With dead ends: 12884 [2020-10-12 21:14:01,917 INFO L226 Difference]: Without dead ends: 7213 [2020-10-12 21:14:01,938 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=215, Invalid=597, Unknown=0, NotChecked=0, Total=812 [2020-10-12 21:14:01,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7213 states. [2020-10-12 21:14:02,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7213 to 5735. [2020-10-12 21:14:02,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5735 states. [2020-10-12 21:14:02,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5735 states to 5735 states and 7470 transitions. [2020-10-12 21:14:02,547 INFO L78 Accepts]: Start accepts. Automaton has 5735 states and 7470 transitions. Word has length 173 [2020-10-12 21:14:02,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:14:02,547 INFO L479 AbstractCegarLoop]: Abstraction has 5735 states and 7470 transitions. [2020-10-12 21:14:02,547 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 21:14:02,548 INFO L276 IsEmpty]: Start isEmpty. Operand 5735 states and 7470 transitions. [2020-10-12 21:14:02,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-12 21:14:02,550 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:14:02,550 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 21:14:02,550 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 21:14:02,550 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:14:02,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:14:02,551 INFO L82 PathProgramCache]: Analyzing trace with hash -721444664, now seen corresponding path program 1 times [2020-10-12 21:14:02,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:14:02,551 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [843227871] [2020-10-12 21:14:02,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:14:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:02,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:02,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:02,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:02,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:02,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:02,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:03,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:03,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:07,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:07,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-12 21:14:07,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 21:14:07,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 21:14:07,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:07,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 21:14:07,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-12 21:14:07,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-12 21:14:07,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:07,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:14:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:07,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:07,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:07,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:14:07,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:07,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:14:07,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:07,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:07,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:07,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:07,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:07,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:14:07,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:07,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:07,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:07,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:14:07,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:07,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:07,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:07,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:07,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:07,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:07,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:07,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:14:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:07,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:07,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:07,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:14:07,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:07,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:07,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:07,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:07,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:07,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:07,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:07,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:14:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:07,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:07,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:07,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 21:14:07,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:07,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:14:07,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:07,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:07,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:07,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:14:07,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:07,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:14:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:07,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:07,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:07,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:14:07,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:07,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:14:07,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:07,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:07,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:07,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:14:07,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:07,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 21:14:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:07,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:07,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:07,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:14:07,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:07,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 21:14:07,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:07,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:14:07,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:14:07,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 21:14:07,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:07,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:14:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:07,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:07,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:07,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:07,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:07,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:14:07,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:07,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:07,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:07,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:14:07,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:07,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:14:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:07,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:07,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:07,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:07,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:07,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:07,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:07,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:07,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:07,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:14:07,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:07,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:14:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:07,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:07,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:07,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:07,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:07,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:07,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:07,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:07,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:07,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:14:07,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:07,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:14:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:07,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:07,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:07,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:07,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:07,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:14:07,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:07,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:07,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:07,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:14:07,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:07,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:14:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:07,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:07,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:07,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:07,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:07,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:07,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:07,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:07,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:07,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:14:07,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:07,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:14:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:07,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:07,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:07,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:07,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:07,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:07,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:07,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:07,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:07,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:14:07,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:07,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:14:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:07,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:07,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:07,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:07,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:07,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:07,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:07,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:07,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:07,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:14:07,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:07,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 21:14:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:07,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:07,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:07,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:14:07,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:07,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:14:07,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:07,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:07,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:07,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:14:07,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:07,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 21:14:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:07,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:07,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:07,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:14:07,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:07,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:07,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:07,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:07,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:07,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:14:07,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:07,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:14:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:07,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:07,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:07,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:14:07,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:07,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:07,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:07,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:07,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:14:07,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:07,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:07,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-12 21:14:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:07,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:07,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:07,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:14:07,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:07,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:07,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:07,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:07,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:14:07,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:07,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:07,913 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-12 21:14:07,913 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [843227871] [2020-10-12 21:14:07,913 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:14:07,913 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 21:14:07,914 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874300974] [2020-10-12 21:14:07,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 21:14:07,914 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:14:07,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 21:14:07,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-12 21:14:07,915 INFO L87 Difference]: Start difference. First operand 5735 states and 7470 transitions. Second operand 9 states. [2020-10-12 21:14:17,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:14:17,802 INFO L93 Difference]: Finished difference Result 21518 states and 31638 transitions. [2020-10-12 21:14:17,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-12 21:14:17,803 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 173 [2020-10-12 21:14:17,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:14:17,870 INFO L225 Difference]: With dead ends: 21518 [2020-10-12 21:14:17,870 INFO L226 Difference]: Without dead ends: 15809 [2020-10-12 21:14:17,897 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 37 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=214, Invalid=542, Unknown=0, NotChecked=0, Total=756 [2020-10-12 21:14:17,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15809 states. [2020-10-12 21:14:19,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15809 to 11770. [2020-10-12 21:14:19,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11770 states. [2020-10-12 21:14:19,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11770 states to 11770 states and 16724 transitions. [2020-10-12 21:14:19,255 INFO L78 Accepts]: Start accepts. Automaton has 11770 states and 16724 transitions. Word has length 173 [2020-10-12 21:14:19,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:14:19,255 INFO L479 AbstractCegarLoop]: Abstraction has 11770 states and 16724 transitions. [2020-10-12 21:14:19,255 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 21:14:19,255 INFO L276 IsEmpty]: Start isEmpty. Operand 11770 states and 16724 transitions. [2020-10-12 21:14:19,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-12 21:14:19,259 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:14:19,259 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 21:14:19,259 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 21:14:19,260 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:14:19,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:14:19,260 INFO L82 PathProgramCache]: Analyzing trace with hash -2126636342, now seen corresponding path program 1 times [2020-10-12 21:14:19,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:14:19,260 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [886107491] [2020-10-12 21:14:19,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:14:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:19,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:19,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:19,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:19,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:19,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:19,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:20,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:20,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:22,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:22,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:22,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:22,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:23,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:23,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:23,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:24,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:24,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-12 21:14:24,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-12 21:14:24,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-12 21:14:24,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:24,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 21:14:24,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-12 21:14:24,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-12 21:14:24,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:24,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:14:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:24,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:24,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:24,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:14:24,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:24,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:14:24,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:24,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:24,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:24,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:24,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:24,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:14:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:24,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:24,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:24,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:14:24,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:24,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:24,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:24,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:24,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:24,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:24,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:24,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:14:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:24,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:24,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:24,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:14:24,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:24,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:24,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:24,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:24,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:24,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:24,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:24,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:14:24,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:24,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:24,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:24,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 21:14:24,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:24,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:14:24,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:24,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:24,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:24,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:14:24,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:24,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:14:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:24,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:24,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:24,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:14:24,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:24,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:14:24,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:24,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:24,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:24,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:14:24,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:24,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 21:14:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:24,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:24,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:24,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:14:24,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:24,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:14:24,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:24,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:14:24,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:14:24,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 21:14:24,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:24,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:14:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:24,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:24,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:24,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:24,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:24,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:14:24,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:24,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:24,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:24,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:14:24,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:24,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:14:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:24,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:24,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:24,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:24,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:24,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:24,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:24,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:24,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:24,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:14:24,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:24,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:14:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:24,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:24,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:24,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:24,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:24,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:24,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:24,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:24,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:24,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:14:24,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:24,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:14:24,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:24,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:24,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:24,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:24,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:24,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:24,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:24,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:24,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:24,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:14:24,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:24,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:14:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:24,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:24,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:24,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:24,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:24,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:24,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:24,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:24,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:24,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:14:24,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:24,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:14:24,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:24,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:24,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:24,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:24,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:24,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:24,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:24,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:24,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:24,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:14:24,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:24,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:14:24,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:24,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:24,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:24,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:24,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:24,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:24,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:24,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:24,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:24,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:14:24,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:24,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 21:14:24,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:24,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:24,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:24,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:14:24,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:24,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:14:24,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:24,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:24,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:24,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:14:24,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:24,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 21:14:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:24,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:24,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:24,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:14:24,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:24,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:24,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:24,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:24,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:24,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:14:24,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:24,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:14:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:24,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:24,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:24,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:14:24,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:24,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:24,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:24,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:24,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:24,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:14:24,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:24,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-12 21:14:24,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:24,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:24,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:24,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:14:24,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:24,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:24,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:24,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:24,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:24,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:14:24,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:24,604 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-12 21:14:24,604 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [886107491] [2020-10-12 21:14:24,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:14:24,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 21:14:24,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036535839] [2020-10-12 21:14:24,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 21:14:24,606 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:14:24,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 21:14:24,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-12 21:14:24,606 INFO L87 Difference]: Start difference. First operand 11770 states and 16724 transitions. Second operand 9 states. [2020-10-12 21:14:36,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:14:36,247 INFO L93 Difference]: Finished difference Result 46559 states and 75741 transitions. [2020-10-12 21:14:36,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-12 21:14:36,248 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 173 [2020-10-12 21:14:36,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:14:36,402 INFO L225 Difference]: With dead ends: 46559 [2020-10-12 21:14:36,403 INFO L226 Difference]: Without dead ends: 34822 [2020-10-12 21:14:36,460 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=214, Invalid=542, Unknown=0, NotChecked=0, Total=756 [2020-10-12 21:14:36,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34822 states. [2020-10-12 21:14:41,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34822 to 25911. [2020-10-12 21:14:41,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25911 states. [2020-10-12 21:14:41,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25911 states to 25911 states and 39547 transitions. [2020-10-12 21:14:41,682 INFO L78 Accepts]: Start accepts. Automaton has 25911 states and 39547 transitions. Word has length 173 [2020-10-12 21:14:41,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:14:41,682 INFO L479 AbstractCegarLoop]: Abstraction has 25911 states and 39547 transitions. [2020-10-12 21:14:41,683 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 21:14:41,683 INFO L276 IsEmpty]: Start isEmpty. Operand 25911 states and 39547 transitions. [2020-10-12 21:14:41,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-12 21:14:41,697 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:14:41,697 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 21:14:41,697 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 21:14:41,698 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:14:41,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:14:41,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1557061896, now seen corresponding path program 1 times [2020-10-12 21:14:41,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:14:41,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [516239087] [2020-10-12 21:14:41,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:14:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:41,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:41,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:41,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:41,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:42,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:42,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:42,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:42,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:44,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:44,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:44,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:44,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:44,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:44,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-12 21:14:46,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-12 21:14:46,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 21:14:46,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 21:14:46,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:14:46,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-12 21:14:46,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:14:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:46,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:14:46,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:46,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:14:46,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:46,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:46,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:46,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:14:46,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:46,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:14:46,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:46,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:46,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:46,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:46,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:46,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:14:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:46,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:14:46,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:46,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:46,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:46,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:46,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:46,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:14:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:46,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 21:14:46,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:46,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:14:46,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:46,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:46,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:14:46,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:14:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:46,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:14:46,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:46,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:14:46,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:46,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:46,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:14:46,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 21:14:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:46,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:14:46,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:46,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 21:14:46,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:14:46,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:14:46,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 21:14:46,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:14:46,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:46,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:46,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:46,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:46,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:46,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:46,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:14:46,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:14:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:46,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:46,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:46,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:46,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:46,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:46,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:14:46,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:14:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:46,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:46,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:46,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:46,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:46,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:46,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:14:46,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:14:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:46,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:46,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:46,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:46,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:46,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:46,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:14:46,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:14:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:46,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:46,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:46,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:46,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:46,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:46,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:14:46,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:14:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:46,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:46,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:46,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:46,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:46,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:46,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:14:46,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:14:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:46,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:47,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:47,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:47,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:47,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:47,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:47,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:47,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:14:47,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:47,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 21:14:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:47,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:47,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:47,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:14:47,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:47,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:14:47,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:47,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:47,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:47,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:14:47,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:47,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 21:14:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:47,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:47,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:47,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:47,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:14:47,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:14:47,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:14:47,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:47,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:47,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:47,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 21:14:47,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:47,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:14:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:47,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:47,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:47,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:14:47,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:47,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:47,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:47,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:47,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:14:47,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:47,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:47,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-12 21:14:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:47,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:47,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:47,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:14:47,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:47,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:47,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:47,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:47,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:14:47,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:47,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:47,071 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-12 21:14:47,071 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [516239087] [2020-10-12 21:14:47,071 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:14:47,072 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-12 21:14:47,072 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653013731] [2020-10-12 21:14:47,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 21:14:47,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:14:47,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 21:14:47,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-12 21:14:47,073 INFO L87 Difference]: Start difference. First operand 25911 states and 39547 transitions. Second operand 9 states. [2020-10-12 21:15:06,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:15:06,204 INFO L93 Difference]: Finished difference Result 100604 states and 185951 transitions. [2020-10-12 21:15:06,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-12 21:15:06,204 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 173 [2020-10-12 21:15:06,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:15:06,555 INFO L225 Difference]: With dead ends: 100604 [2020-10-12 21:15:06,555 INFO L226 Difference]: Without dead ends: 74741 [2020-10-12 21:15:06,692 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=214, Invalid=542, Unknown=0, NotChecked=0, Total=756 [2020-10-12 21:15:06,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74741 states.